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DEXAMETHASONE

D-363

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Catalogue Number:	D-363
Compound Name:	Dexamethasone (Betamethasone EP Impurity A, Dexamethasone Acetate EP Impurity A, Dexamethasone Sodium Phosphate EP Impurity A, Dexamethasone Isonicotinate EP Impurity A)
Synonyms:	(8S,9R,10S,11S,13S,14S,16R,17R)-9-fluoro-11,17-dihydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-one
CAS#:	50-02-2
Alternate CAS#:
Molecular Formula:	C₂₂H₂₉FO₅
Molecular Weight:	392.47

Related Product

D-361

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

C₂₂H₂₅D₄FO₅

M.W. 396.49

D-362

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

6-Hydroxy Dexamethasone (Mixture of Diastereomers)

CAS No. 2102851-76-1

C₂₂H₂₉FO₆

M.W. 408.47

D-364

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

17-Carboxy-17-Desoxy-Dexamethasone (Dexamethasone Acid Impurity)

CAS No. 75262-69-0

C₂₁H₂₇FO₄

M.W. 362.44

D-365

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

21-Dehydro-17-Deoxy-Dexamethasone

CAS No. 1188271-71-7

C₂₂H₂₇FO₄

M.W. 374.46

D-366

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

21-Dehydro Dexamethasone

CAS No. 2964-79-6

C₂₂H₂₇FO₅

M.W. 390.46

D-367

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone EP Impurity C

CAS No. 426-17-5

C₂₂H₃₁FO₅

M.W. 394.48

D-369

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Sodium Phosphate EP Impurity C, D, E, F

C₂₂H₃₀FO₈P

M.W. 472.45

D-3610

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Sodium Phosphate EP Impurity G (Dexamethasone Acid)

CAS No. 37927-01-8

C₂₁H₂₇FO₅

M.W. 378.44

D-3611

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

21-Hemiacetal Dexamethasone

CAS No. 473273-03-9

C₂₃H₃₁FO₆

M.W. 422.49

D-3613

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone EP Impurity I

CAS No. 14622-47-0

C₂₂H₂₈O₅

M.W. 372.46

D-3614

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone EP Impurity J

CAS No. 2036-77-3

C₂₂H₂₈O₅

M.W. 372.46

D-3615

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone EP Impurity K

CAS No. 1809224-82-5

C₂₂H₂₆O₄

M.W. 354.45

D-3616

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Impurity 17

CAS No. 1174035-75-6

C₂₂H₂₇FO₄

M.W. 374.45

D-3617

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone-17-Ketone (Mixture of Diastereomers)

CAS No. 2285-53-2

C₂₀H₂₅FO₃

M.W. 332.42

D-3620

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone 17-Formyloxy-17-Acid

CAS No. 473273-04-0

C₂₂H₂₇FO₆

M.W. 406.45

D-3621

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Biotin

CAS No. 85679-56-7

C₃₆H₅₃FN₄O₆S

M.W. 688.91

D-3622

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Impurity 46 Disodium Salt

C₂₂H₃₀FO₁₁PS. 2Na

M.W. 552.51 2 22.99

D-3623

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone EP Impurity A

C₂₂H₂₉FO₅

M.W. 392.47

D-3624

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Sodium Phosphate EP Impurity B (Betamethasone Phosphate)

CAS No. 360-63-4

C₂₂H₃₀FO₈P

M.W. 472.45

D-3625

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Sodium Phosphate EP Impurity H

C₂₂H₃₂FO₈P

M.W. 474.46

D-3626

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone 21-Phosphate-d4

C₂₂H₂₆D₄FO₈P

M.W. 476.48

D-3627

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

D-Homo A Derivative of Dexamethasone

CAS No. N/A

C₂₂H₂₈FO₈P. 2 Na

M.W. 470.44 2 22.99

D-3628

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Sodium Phosphate EP Impurity C, D, E, F (17-alpha R and 16R Defined Isomeric Form)

C₂₂H₃₀FO₈P

M.W. 472.45

D-3629

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Phenylpropionate

CAS No. 1879-72-7

C₃₁H₃₇FO₆

M.W. 524.63

D-3630

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Phosphate Diester

C₄₄H₅₇F₂O₁₂P

M.W. 846.90

D-3631

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone EP Impurity D (Mometasone Furoate EP Impurity L, Betamethasone EP Impurity E (16R Isomer))

CAS No. 24916-90-3

C₂₂H₂₈O₅

M.W. 372.46

D-3633

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone EP Impurity H

CAS No. 10106-41-9

C₂₄H₃₀O₅

M.W. 398.50

D-3634

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Impurity 1

CAS No. 426-15-3

C₂₂H₂₉FO₄

M.W. 376.47

D-3635

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Oxetanone

CAS No. 4089-36-5

C₂₂H₂₇FO₄

M.W. 374.45

D-3680

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Impurity 31

CAS No. 2964-79-6 (aldehyde form), 4619-61-8 (hydrate form)

C₂₂H₂₇FO₅. C₂₂H₂₉FO₆

M.W. 390.45 408.47

D-3636

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Acid Ethyl Ester

CAS No. 2991360-83-7

C₂₃H₃₁FO₅

M.W. 406.49

D-3638

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Impurity 3

C₂₃H₃₁FO₄

M.W. 390.50

D-3640

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

6-beta-Hydroxy Dexamethasone

CAS No. 55879-47-5

C₂₂H₂₉FO₆

M.W. 408.47

D-3641

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

6-alpha-Hydroxy Dexamethasone

CAS No. 111897-35-9

C₂₂H₂₉FO₆

M.W. 408.47

D-3642

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

17-Oxo Dexamethasone

CAS No. 1880-61-1

C₂₀H₂₅FO₃

M.W. 332.42

D-3643

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

6-Keto Dexamethasone

C₂₂H₂₇FO₆

M.W. 406.45

D-3644

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone 21-Tertbutylacetate

CAS No. 24668-75-5

C₂₈H₃₉FO₆

M.W. 490.61

D-3645

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone-21-Formate

C₂₃H₂₉FO₆

M.W. 420.48

D-3639

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Impurity 4

C₂₁H₂₇FO₄

M.W. 362.44

D-3646

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Impurity 5

CAS No. 2876929-26-7

C₂₂H₂₆O₄

M.W. 354.45

D-3647

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone 17-Propionate

CAS No. 15423-89-9

C₂₅H₃₃FO₆

M.W. 448.53

D-3650

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone-17,21-Dipropionate

CAS No. 55541-30-5

C₂₈H₃₇FO₇

M.W. 504.60

D-3651

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Impurity 7

C₂₂H₂₇FO₆

M.W. 406.45

D-3652

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Impurity 8

C₂₂H₂₉FO₅

M.W. 392.47

D-3653

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Impurity 9

CAS No. 24510-54-1

C₂₄H₃₂O₅

M.W. 400.52

D-3654

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Impurity 10

CAS No. 89561-92-2

C₂₅H₃₂O₆

M.W. 428.53

D-3655

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Impurity 11

CAS No. 192447-02-2

C₂₆H₃₃BrO₈

M.W. 553.45

D-3656

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Impurity 12

C₂₂H₂₆O₄

M.W. 354.45

D-3657

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Impurity 13

C₂₃H₃₁FO₄

M.W. 390.50

D-3658

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone-d5 (Betamethasone EP Impurity A-d5, Dexamethasone Acetate EP Impurity A-d5, Dexamethasone Sodium Phosphate EP Impurity A-d5, Dexamethasone Isonicotinate EP Impurity A-d5)

C₂₂H₂₄D₅FO₅

M.W. 397.50

D-3659

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Impurity 14

C₂₂H₂₉FO₅

M.W. 392.47

D-3660

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Impurity 15

C₂₂H₃₁FO₆

M.W. 410.48

D-3661

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Impurity 16

C₂₂H₂₇FO₅

M.W. 390.45

D-3662

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Impurity 18

CAS No. 1687742-59-1

C₂₁H₃₀F₂O₅

M.W. 400.46

D-3663

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Impurity 19

CAS No. 1687743-57-2

C₂₁H₂₈Br₂F₂O₅

M.W. 558.25

D-3664

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Impurity 20

CAS No. 1687742-60-4

C₂₁H₂₆F₂O₅

M.W. 396.43

D-3665

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Sodium Phosphate EP Impurity C, D, E, F (17-alpha R Defined Isomeric Form)

C₂₂H₃₀FO₈P

M.W. 472.45

D-3666

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Sodium Phosphate EP Impurity C, D, E, F (17-alpha S Defined Isomeric Form)

C₂₂H₃₀FO₈P

M.W. 472.45

D-3667

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Sodium Phosphate EP Impurity C, D, E, F (17S Defined Isomeric Form)

C₂₂H₃₀FO₈P

M.W. 472.45

D-3668

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Sodium Phosphate EP Impurity C, D, E, F (17R Defined Isomeric Form)

C₂₂H₃₀FO₈P

M.W. 472.45

D-3669

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Impurity 22

CAS No. 1201919-18-7

C₂₂H₂₈FO₈P₂. 2Na

M.W. 470.431 2*22.989

D-3670

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Impurity 23

C₂₂H₂₈FO₈P. 2Na

M.W. 470.431 2* 22.989

D-3671

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone 21-Phosphate

CAS No. 312-93-6

C₂₂H₃₀FO₈P

M.W. 472.45

D-3672

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Impurity 24

CAS No. 1800-15-3

C₂₂H₂₇FO₅

M.W. 390.45

D-3673

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Impurity 25 Trisodium Salt

C₂₂H₂₉FO₁₁PS. 3 Na

M.W. 551.52 3*22.99

D-3674

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone-4,6,11,12,12-d5

C₂₂H₂₄D₅FO₅

M.W. 397.50

D-3675

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Impurity 26

C₂₂H₃₂FO₉P

M.W. 490.46

D-3676

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Impurity 27

C₂₂H₃₀FO₈P

M.W. 472.45

D-3677

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Impurity 28

CAS No. 165739-48-0

C₂₂H₂₉FO₄

M.W. 376.47

D-3678

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Impurity 29

CAS No. 83880-70-0

C₂₉H₃₃FO₈

M.W. 528.57

D-3679

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Impurity 30

C₂₅H₃₂F₂O₅S

M.W. 482.58

D-3681

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Impurity 32

CAS No. 1169872-15-4

C₂₂H₂₆O₅

M.W. 370.45

D-3682

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Impurity 33

CAS No. 223776-52-1

C₂₂H₂₆O₄

M.W. 354.45

D-3683

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Impurity 34

CAS No. 103374-59-0

C₂₃H₃₀O₅

M.W. 386.49

D-3684

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Impurity 35

CAS No. 134429-25-7

C₂₂H₂₈O₆

M.W. 388.46

D-3685

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone 21-Phosphate-d5

C₂₂H₂₅D₅FO₈P

M.W. 477.48

D-3687

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone-13C3 (Betamethasone EP Impurity A-13C3, Dexamethasone Acetate EP Impurity A-13C3, Dexamethasone Sodium Phosphate EP Impurity A-13C3, Dexamethasone Isonicotinate EP Impurity A-13C3)

C₁₉¹³C₃H₂₉FO₅

M.W. 395.44

D-3690

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

6-beta-Hydroxy Dexamethasone-d4

C₂₂H₂₅D₄FO₆

M.W. 412.49

D-3691

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Impurity 36 Trisodium Salt

CAS No. 39005-10-2

C₂₂H₃₂FO₁₁PS. 3Na

M.W. 554.52 3*22.99

D-3692

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Impurity 37

C₂₂H₂₈O₅

M.W. 372.46

D-3693

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Impurity 38

C₂₂H₂₉FO₅

M.W. 392.47

D-3694

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Impurity 39

CAS No. 1260387-17-4

C₂₂H₂₉FO₅

M.W. 392.47

D-3695

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Impurity 40

C₂₂H₂₉FO₅

M.W. 392.47

D-3696

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Impurity 41

CAS No. 1188524-53-9

C₂₂H₂₉FO₅

M.W. 392.47

D-3697

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Impurity 21 Sodium Salt

C₂₂H₃₀FO₈P

M.W. 472.45

D-3698

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Palmitate

CAS No. 14899-36-6

C₃₈H₅₉FO₆

M.W. 630.88

D-3699

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Palmitate-d31

C₃₈H₂₈D₃₁FO₆

M.W. 662.07

D-36100

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Impurity 42

C₃₈H₅₉FO₆

M.W. 630.88

D-36101

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Impurity 43

C₅₄H₈₉FO₇

M.W. 869.30

D-36102

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Impurity 44

C₅₄H₈₉FO₇

M.W. 869.30

D-36103

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

Dexamethasone Impurity 45

C₇₀H₁₁₉FO₈

M.W. 1107.71

D-36104

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

11-Dehydro Dexamethasone Acetate

CAS No. 2995-86-0

C₂₄H₂₉FO₆

M.W. 432.49

D-36105

Dexamethasone-d4 (Betamethasone EP Impurity A-d4, Dexamethasone Acetate EP Impurity A-d4, Dexamethasone Sodium Phosphate EP Impurity A-d4, Dexamethasone Isonicotinate EP Impurity A-d4)

11-Dehydro Dexamethasone

CAS No. 2964-81-0

C₂₂H₂₇FO₅

M.W. 390.45