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DEXAMETHASONE

D-367
Dexamethasone EP Impurity C
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Catalogue Number:

D-367

Compound Name:

Dexamethasone EP Impurity C

Synonyms:

(8S,9R,10S,11S,13S,14S,16R,17R)-9-fluoro-11,17-dihydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one

CAS#:

426-17-5

Alternate CAS#:

Molecular Formula:

C22H31FO5

Molecular Weight:

394.49

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Download COA

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CAS No. N/A

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

21-Hemiacetal Dexamethasone

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C23H31FO6

M.W. 422.49

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

CAS No. 1809224-82-5

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M.W. 354.45

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

Dexamethasone Impurity 17

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M.W. 374.45

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

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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 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 Phosphate Impurity

CAS No. N/A

C22H30FO11PS. 2 Na

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 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 Sodium Phosphate EP Impurity B

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 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 21-Phosphate-d4

CAS No. N/A

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)

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)

D-Homo B Derivative of Dexamethasone

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 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 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 EP Impurity D (Mometasone Furoate EP Impurity L)

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M.W. 398.50

D-3634
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M.W. 376.47

D-3635
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M.W. 374.45

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

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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 Acid Ethyl Ester

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)

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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)

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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)

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)

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)

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 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-21-Formate

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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)

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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 Impurity 5

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 17-Propionate

CAS No. 15423-89-9

C25H33FO6

M.W. 448.53

D-3650
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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 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 Impurity 8

C22H29FO5

M.W. 392.47

D-3653
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C24H32O5

M.W. 400.52

D-3654
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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 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 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 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-d5 (Betamethasone EP Impurity A-d5, Dexamethasone Acetate EP Impurity A-d5, Dexamethasone Sodium Phosphate 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 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 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 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 Impurity 18

CAS No. 1687742-59-1

C21H30F2O5

M.W. 400.46

D-3663
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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 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 Sodium Phosphate EP Impurity C

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 Sodium Phosphate EP Impurity D

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 Impurity 36

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 Impurity 21

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

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 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 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 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 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 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 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 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 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 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 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 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 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 Impurity 45

C70H119FO8

M.W. 1107.71

Dexamethasone EP Impurity C