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All APIs CRMs Stable Isotope Labeled Nitrosamines Impurities Glucuronides Metabolites Other New Products

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Showing 11701–11800 of 45668 standards · Impurities

D-1412IN STOCK

Doxazosin Impurity 2

CAS #4739-94-0

Mol. formulaC11H12O4

Mol. weight208.21

Details

D-1413BACK ORDER

Doxazosin Impurity 3

CAS #3663-80-7

Mol. formulaC9H8O4

Mol. weight180.16

Details

D-1414BACK ORDER

Doxazosin Impurity 4

CAS #102932-28-5

Mol. formulaC23H25N5O6

Mol. weight467.48

Details

D-1416BACK ORDER

Doxazosin Impurity 5

CAS #28888-44-0

Mol. formulaC₁₀H₁₀N₂O₄

Mol. weight222.20

Details

D-1417IN STOCK

Doxazosin EP Impurity E (Doxazosin USP Related Compound E)

CAS #27631-29-4

Mol. formulaC₁₀H₈Cl₂N₂O₂

Mol. weight259.09

Details

D-1418IN STOCK

Doxazosin Impurity 6 HCl

CAS #NA

Mol. formulaC₂₂H₂₃N₅O₅. HCl

Mol. weight437.46 36.46

Details

D-1419BACK ORDER

Doxazosin Impurity 7

CAS #NA

Mol. formulaC₂₁H₂₃N₅O₅

Mol. weight425.45

Details

D-1420INQUIRE FURTHER

Doxazosin Impurity 8

CAS #NA

Mol. formulaC₂₄H₂₇N₅O₆

Mol. weight481.51

Details

D-142006IN STOCK

Doxapram EP Impurity A

CAS #3192-64-1

Mol. formulaC₂₀H₂₂ClNO

Mol. weight327.85

Details

D-142007BACK ORDER

Doxapram EP Impurity B

CAS #1688-76-2

Mol. formulaC22H28N2O2

Mol. weight352.48

Details

D-142009BACK ORDER

Doxapram Impurity 2-13C4 (Morpholine-13C4)

CAS #1217024-56-0

Mol. formula13C4 H9NO

Mol. weight91.09

Details

D-1421IN STOCK

Doxazosin Impurity 6

CAS #102932-26-3

Mol. formulaC₂₂H₂₃N₅O₅

Mol. weight437.46

Details

D-144004BACK ORDER

Doxercalciferol Impurity 3

CAS #127516-23-8

Mol. formulaC₂₈H₄₄O₂

Mol. weight412.658

Details

D-144005BACK ORDER

Doxercalciferol Impurity 4

CAS #NA

Mol. formulaC₃₂H₄₈O₄

Mol. weight496.732

Details

D-144006BACK ORDER

Doxercalciferol Impurity 5

CAS #112670-78-7

Mol. formulaC₃₄H₅₈O₂Si

Mol. weight526.92

Details

D-144007BACK ORDER

Doxercalciferol Impurity 6

CAS #NA

Mol. formulaC₃₄H₅₈O₂Si

Mol. weight526.92

Details

D-144008BACK ORDER

Doxercalciferol Impurity 7

CAS #111594-58-2

Mol. formulaC₄₀H₇₂O₂Si₂

Mol. weight641.18

Details

D-144009BACK ORDER

Doxercalciferol Impurity 8

CAS #115540-27-7

Mol. formulaC₃₄H₅₈O₂Si

Mol. weight526.92

Details

D-144010BACK ORDER

Doxercalciferol Impurity 9

CAS #115540-28-8

Mol. formulaC₄₀H₇₂O₂Si₂

Mol. weight641.18

Details

D-145003IN STOCK

Daclatasvir Impurity 4 (RSSR-Isomer)

CAS #1009107-27-0

Mol. formulaC40H50N8O6

Mol. weight738.89

Details

D-145004IN STOCK

Daclatasvir Impurity 5 (SRSS-Isomer)

CAS #1009117-28-5

Mol. formulaC₄₀H₅₀N₈O₆

Mol. weight738.89

Details

D-145005IN STOCK

Daclatasvir Impurity 6 (SRRS-Isomer)

CAS #1009117-26-3

Mol. formulaC₄₀H₅₀N₈O₆

Mol. weight738.89

Details

D-145006IN STOCK

Daclatasvir Impurity 7 (RRRR-Isomer)

CAS #1417333-58-4

Mol. formulaC40H50N8O6

Mol. weight738.89

Details

D-145008IN STOCK

Daclatasvir Impurity 9 (RSRR-Isomer)

CAS #3031804-50-6

Mol. formulaC₄₀H₅₀N₈O₆

Mol. weight738.89

Details

D-145009IN STOCK

Daclatasvir Impurity 10 TetraHCl

CAS #1009119-83-8

Mol. formulaC₂₆H₂₈N₆. 4 HCl

Mol. weight424.55 4*36.46

Details

D-145010IN STOCK

Daclatasvir Impurity 11

CAS #1009119-18-9

Mol. formulaC36H46N8O2

Mol. weight622.82

Details

D-145011IN STOCK

Daclatasvir Impurity 12

CAS #11447744-93-5

Mol. formulaC30H32N6O2

Mol. weight508.63

Details

D-145012BACK ORDER

Daclatasvir Impurity 13

CAS #NA

Mol. formulaC16H11Br3O2

Mol. weight474.97

Details

D-145013BACK ORDER

Daclatasvir Impurity 16

CAS #NA

Mol. formulaC36H43N5O5

Mol. weight625.77

Details

D-145014BACK ORDER

Daclatasvir Impurity 17

CAS #NA

Mol. formulaC26H27N5O

Mol. weight425.54

Details

D-145015IN STOCK

Daclatasvir Impurity 18

CAS #NA

Mol. formulaC₄₀H₄₉N₇O₇

Mol. weight739.87

Details

D-145016BACK ORDER

Daclatasvir Impurity 19

CAS #NA

Mol. formulaC26H28N2O4

Mol. weight432.52

Details

D-145017BACK ORDER

Daclatasvir Impurity 20

CAS #NA

Mol. formulaC21H20N2O2

Mol. weight332.40

Details

D-145018BACK ORDER

Daclatasvir Impurity 21

CAS #NA

Mol. formulaC26H29N3O3

Mol. weight431.54

Details

D-145019BACK ORDER

Daclatasvir Impurity 22

CAS #NA

Mol. formulaC21H21N3O

Mol. weight331.42

Details

D-145020BACK ORDER

Daclatasvir Impurity 23

CAS #NA

Mol. formula C₃₆H₄₄N₆O₄

Mol. weight624.79

Details

D-145021IN STOCK

Daclatasvir Impurity 24 TetraHCl

CAS #NA

Mol. formulaC₂₆H₂₈N₆. 4 HCl

Mol. weight424.55 4*36.46

Details

D-145022BACK ORDER

Daclatasvir Impurity 25

CAS #NA

Mol. formulaC40H49ClN8O6

Mol. weight773.33

Details

D-145023IN STOCK

Daclatasvir Impurity 26

CAS #1312335-98-0

Mol. formulaC₄₀H₄₈Cl₂N₈O₆

Mol. weight807.77

Details

D-145024BACK ORDER

Daclatasvir Impurity 27

CAS #1800502-75-3

Mol. formulaC44H54N8O8

Mol. weight822.96

Details

D-145025BACK ORDER

Daclatasvir Impurity 28

CAS #NA

Mol. formulaC42H54N8O6

Mol. weight766.94

Details

D-145026INQUIRE FURTHER

Daclatasvir Impurity 29

CAS #NA

Mol. formulaC38H46N8O6

Mol. weight710.84

Details

D-145027IN STOCK

Daclatasvir Impurity 14 (RSSS-Isomer)

CAS #1417333-83-5

Mol. formulaC₄₀H₅₀N₈O₆

Mol. weight738.89

Details

D-145028IN STOCK

Daclatasvir Impurity 15

CAS #1007884-60-7

Mol. formulaC₃₃H₃₉N₇O₃

Mol. weight581.72

Details

D-145029BACK ORDER

Daclatasvir Impurity 30

CAS #NA

Mol. formulaC38H48N8O4

Mol. weight680.85

Details

D-145030IN STOCK

Daclatasvir Impurity 31

CAS #NA

Mol. formulaC45H59N9O7

Mol. weight838.02

Details

D-145031IN STOCK

Daclatasvir Impurity 32

CAS #2226541-13-3

Mol. formulaC₃₅H₄₁N₇O₄

Mol. weight623.76

Details

D-145032BACK ORDER

Daclatasvir Impurity 33

CAS #NA

Mol. formulaC16H13BrO2

Mol. weight317.18

Details

D-145033BACK ORDER

Daclatasvir Impurity 34

CAS #NA

Mol. formulaC15H9Br3O2

Mol. weight460.95

Details

D-145034IN STOCK

Daclatasvir Impurity 35

CAS #2077207-88-4

Mol. formulaC₄₁H₅₂N₈O₆

Mol. weight752.92

Details

D-145035BACK ORDER

Daclatasvir Impurity 36

CAS #100146-16-5

Mol. formulaC18H14N4

Mol. weight286.34

Details

D-145036BACK ORDER

Daclatasvir Impurity 37

CAS #NA

Mol. formulaC26H27Br2NO6

Mol. weight609.31

Details

D-145037BACK ORDER

Daclatasvir Impurity 38

CAS #NA

Mol. formulaC26H27Br2NO6

Mol. weight609.31

Details

D-145038BACK ORDER

Daclatasvir Impurity 39

CAS #NA

Mol. formulaC46H59N3O14

Mol. weight877.99

Details

D-145039BACK ORDER

Daclatasvir Impurity 40 (4,4'-Diacetylbiphenyl)

CAS #787-69-9

Mol. formulaC₁₆H₁₄O₂

Mol. weight238.29

Details

D-145040BACK ORDER

Daclatasvir Impurity 41

CAS #1085706-72-4

Mol. formulaC₄₀H₄₉N₇O₇

Mol. weight739.87

Details

D-145041BACK ORDER

Daclatasvir Impurity 42

CAS #1007882-23-6

Mol. formula C₃₆H₄₄N₆O₄

Mol. weight624.79

Details

D-146BACK ORDER

Doxazosin Impurity 1

CAS #NA

Mol. formulaC16H21N5O3

Mol. weight331.38

Details

D-149IN STOCK

Doxazosin EP Impurity B HCl (Doxazosin USP Related Compound A)

CAS #70918-74-0

Mol. formulaC₁₃H₁₆N₂O₃. HCl

Mol. weight248.28 36.46

Details

D-149003BACK ORDER

Dichlorphenamide Impurity 1

CAS #NA

Mol. formulaC₁₂H₈Cl₄N₂O₆S₃

Mol. weight514.18

Details

D-149004BACK ORDER

Dichlorphenamide Impurity 2

CAS #NA

Mol. formulaC₁₂H₈Cl₄N₂O₆S₃

Mol. weight514.18

Details

D-151002IN STOCK

Diflorasone Impurity 1

CAS #NA

Mol. formulaC₂₄H₂₆ClF₅O₅

Mol. weight524.91

Details

D-151003IN STOCK

Diflorasone Impurity 2

CAS #3873-19-6

Mol. formulaC₂₄H₃₀ClFO₆

Mol. weight468.95

Details

D-151004BACK ORDER

Diflorasone Impurity 3

CAS #NA

Mol. formulaC₂₂H₂₈ClFO₅

Mol. weight426.91

Details

D-151005IN STOCK

Diflorasone Impurity 4

CAS #50630-19-8

Mol. formulaC₂₄H₃₀F₂O₆

Mol. weight452.49

Details

D-151006BACK ORDER

Diflorasone Impurity 5

CAS #NA

Mol. formulaC₃₁H₃₆F₂O₈S

Mol. weight606.68

Details

D-151007BACK ORDER

Diflorasone Impurity 6

CAS #NA

Mol. formulaC₃₂H₃₈F₂O₈S

Mol. weight620.70

Details

D-151008IN STOCK

Diflorasone Impurity 7

CAS #NA

Mol. formulaC₂₆H₃₄F₂O₈S

Mol. weight544.61

Details

D-151009IN STOCK

Diflorasone Impurity 8

CAS #NA

Mol. formulaC₂₆H₃₄F₂O₈S

Mol. weight544.61

Details

D-151010BACK ORDER

Diflorasone Impurity 9 (Diflorasone 21-Acetate)

CAS #3826-17-3

Mol. formulaC₂₄H₃₀F₂O₆

Mol. weight452.49

Details

D-151011IN STOCK

Diflorasone Impurity 10

CAS #NA

Mol. formulaC₂₆H₃₂ClFO₇

Mol. weight510.98

Details

D-151013IN STOCK

Diflorasone Impurity 11

CAS #NA

Mol. formulaC₂₆H₃₂ClFO₇

Mol. weight510.98

Details

D-151014IN STOCK

Diflorasone Impurity 12

CAS #NA

Mol. formulaC₂₄H₃₀F₂O₆

Mol. weight452.49

Details

D-151015IN STOCK

Diflorasone Impurity 13

CAS #NA

Mol. formulaC₂₄H₃₀ClFO₆

Mol. weight468.95

Details

D-151017IN STOCK

Diflorasone Impurity 14

CAS #NA

Mol. formulaC₂₈H₃₄F₂O₈

Mol. weight536.57

Details

D-1511IN STOCK

(Z)-Doxepin EP Impurity C HCl ((Z)-Doxepin USP Related Compound C, Desmethyl (Z)-Doxepin HCl, (Z)-Nordoxepin HCl)

CAS #124694-02-6

Mol. formulaC₁₈H₁₉NO. HCl

Mol. weight265.36 36.46

Details

D-1514BACK ORDER

Doxepin Impurity 1

CAS #NA

Mol. formulaC₁₉H₂₃NO

Mol. weight281.40

Details

D-1515IN STOCK

Doxepin Impurity 2 HCl

CAS #NA

Mol. formulaC₃₃H₃₁NO₂. HCl

Mol. weight473.62 36.46

Details

D-1516IN STOCK

Doxepin Impurity 3 (Mixture of Z and E Isomers)

CAS #21324-99-2

Mol. formulaC₁₆H₁₂O₂

Mol. weight236.27

Details

D-1520BACK ORDER

Doxepin Impurity 4

CAS #NA

Mol. formulaC33H31NO2

Mol. weight473.62

Details

D-1522IN STOCK

N-Nitroso Doxepin EP Impurity C (N-Nitroso (E)-Doxepin USP Related Compound C (Free Form), N-Nitroso Desmethyl (E)-Doxepin, N-Nitroso (E)-Nordoxepin)

CAS #NA

Mol. formulaC₁₈H₁₈N₂O₂

Mol. weight294.35

Details

D-1525BACK ORDER

Doxepin Impurity 5

CAS #NA

Mol. formulaC₁₈H₂₁NO₂

Mol. weight 283.37

Details

D-1527BACK ORDER

Doxepin Epoxide (Mixture of Z and E Isomer)

CAS #NA

Mol. formulaC₁₉H₂₁NO₂

Mol. weight295.38

Details

D-1528BACK ORDER

Doxepin Impurity 6

CAS #94432-54-9

Mol. formulaC₁₉H₂₅NO

Mol. weight283.42

Details

D-154IN STOCK

Doxepin EP Impurity A (Doxepin USP Related Compound A

CAS #4504-87-4

Mol. formulaC₁₄H₁₀O₂

Mol. weight210.23

Details

D-155IN STOCK

Doxepin EP Impurity B (Doxepin USP Related Compound B)

CAS #4504-88-5

Mol. formulaC₁₉H₂₃NO₂

Mol. weight297.40

Details

D-155001BACK ORDER

Droxidopa Impurity 1

CAS #13023-73-9

Mol. formulaC8H8O4

Mol. weight168.15

Details

D-155002BACK ORDER

Droxidopa Impurity 2

CAS #5707-55-1

Mol. formulaC8H8O3

Mol. weight152.15

Details

D-155006BACK ORDER

Droxidopa Impurity 3

CAS #51829-98-2

Mol. formulaC₉H₁₁NO₅

Mol. weight213.19

Details

D-155007BACK ORDER

Droxidopa Impurity 4

CAS #55382-14-4

Mol. formulaC31H29NO7

Mol. weight527.57

Details

D-155009BACK ORDER

Droxidopa Impurity 6

CAS #90044-46-5

Mol. formulaC16H15NO4

Mol. weight285.30

Details

D-155010IN STOCK

Droxidopa Impurity 7

CAS #29025-01-2

Mol. formulaC₁₀H₁₃NO₅

Mol. weight227.22

Details

D-155011IN STOCK

Droxidopa Impurity 8

CAS #28865-97-6

Mol. formulaC₁₀H₁₃NO₅

Mol. weight227.22

Details

D-155012BACK ORDER

Droxidopa Impurity 7-13C2-15N

CAS #NA

Mol. formula13C2 15N C8H13O5

Mol. weight230.19

Details

D-155013BACK ORDER

Droxidopa Impurity 8-13C2-15N

CAS #29025-01-2 (non-labelled)

Mol. formula13C2 15N C8H13O5

Mol. weight230.19

Details

D-155014IN STOCK

Droxidopa Impurity 7-13C-d3 HCl

CAS #39846-91-8 (non-labelled, free base)

Mol. formula13C C9H10NO5D3. HCl

Mol. weight231.23 36.46

Details

D-155015BACK ORDER

Droxidopa Impurity 9

CAS #34047-62-6

Mol. formulaC₉H₁₁NO₅

Mol. weight213.19

Details

D-155016BACK ORDER

Droxidopa Impurity 10 (DL-threo-Droxidopa)

CAS #3916-18-5

Mol. formulaC₉H₁₁NO₅

Mol. weight213.19

Details

D-155017IN STOCK

Droxidopa Impurity 11 (DL-erythro-Droxidopa)

CAS #16322-99-9

Mol. formulaC₉H₁₁NO₅

Mol. weight213.19

Details

D-155018BACK ORDER

Droxidopa Impurity 12

CAS #NA

Mol. formulaC16H15NO6

Mol. weight317.30

Details

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