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

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Showing 2801–2900 of 45616 standards · Impurities

A-3629BACK ORDER

Adefovir Dipivoxil Impurity 18

CAS #NA

Mol. formulaC₃₂H₅₂N₅O₁₈P

Mol. weight825.76

Details

A-363003IN STOCK

Abeprazan Impurity 1

CAS #NA

Mol. formulaC₁₉H₁₇ClF₂N₂O₃S

Mol. weight426.86

Details

A-363004BACK ORDER

Abeprazan Impurity 2

CAS #NA

Mol. formulaC₃₇H₂₉F₆N₃O₆S₂

Mol. weight789.76

Details

A-364IN STOCK

Adefovir Dipivoxil Impurity 19

CAS #142341-05-7

Mol. formulaC₁₄H₂₂N₅O₆P

Mol. weight387.33

Details

A-365IN STOCK

Adefovir Dipivoxil Impurity 21

CAS #142341-04-6

Mol. formulaC₁₆H₂₆N₅O₆P

Mol. weight415.39

Details

A-365004IN STOCK

Aristolochic Acid A Impurity 1

CAS #38965-71-8

Mol. formulaC₁₆H₉NO₇

Mol. weight327.25

Details

A-365005BACK ORDER

Aristolochic Acid A Impurity 2

CAS #309973-78-2

Mol. formulaC₁₇H₁₁NO₇

Mol. weight341.28

Details

A-366BACK ORDER

Adefovir Dipivoxil Impurity 20

CAS #323201-05-4

Mol. formulaC₄₁H₆₄N₁₀O₁₆P₂

Mol. weight1014.97

Details

A-367INQUIRE FURTHER

Adefovir Dipivoxil Impurity 22 (Adefovir Dipivoxyl N6-Hydroxymethyl Impurity)

CAS #323201-04-3

Mol. formulaC₂₁H₃₄N₅O₉P

Mol. weight531.51

Details

A-368IN STOCK

Adefovir Dipivoxil Impurity 1

CAS #1215101-40-8

Mol. formulaC₂₅H₄₀N₅O₉P

Mol. weight585.59

Details

A-369IN STOCK

Adefovir Dipivoxil Impurity 2

CAS #1416439-02-5

Mol. formulaC₁₉H₃₀N₅O₇P

Mol. weight471.45

Details

A-369002BACK ORDER

Avacopan Impurity 1

CAS #NA

Mol. formulaC₃₃H₃₅F₄N₃O₂

Mol. weight581.66

Details

A-369008BACK ORDER

Avacopan Impurity 2

CAS #2704162-73-0

Mol. formulaC₁₉H₂₈N₂O₄

Mol. weight348.44

Details

A-369009BACK ORDER

Avacopan Impurity 3 (Mixture of Enantiomers)

CAS #1231732-20-9

Mol. formulaC₁₉H₂₈N₂O₄

Mol. weight348.44

Details

A-369010BACK ORDER

Avacopan Impurity 4 (Mixture of Enantiomers)

CAS #NA

Mol. formulaC₁₉H₂₈N₂O₄

Mol. weight348.44

Details

A-369011BACK ORDER

Trans-Avacopan (Mixture of Enantiomers)

CAS #1257868-45-3

Mol. formulaC₃₃H₃₅F₄N₃O₂

Mol. weight581.66

Details

A-369013BACK ORDER

Avacopan Impurity 5

CAS #1257871-36-5

Mol. formulaC₁₉H₂₈N₂O₄

Mol. weight348.44

Details

A-369014BACK ORDER

ent-Avacopan Impurity 5

CAS #2969217-07-8

Mol. formulaC₁₉H₂₈N₂O₄

Mol. weight348.44

Details

A-369017BACK ORDER

Avacopan Impurity 6

CAS #NA

Mol. formulaC₂₈H₂₇F₄N₃O₃

Mol. weight529.54

Details

A-369018BACK ORDER

Avacopan Impurity 7

CAS #1346623-18-4

Mol. formulaC₂₈H₂₇F₄N₃O₂

Mol. weight513.54

Details

A-372003BACK ORDER

Anamorelin Impurity 1

CAS #249921-30-0

Mol. formulaC₃₁H₄₂N₆O₃

Mol. weight546.72

Details

A-372004BACK ORDER

Anamorelin Impurity 2

CAS #NA

Mol. formulaC₃₁H₄₂N₆O₃

Mol. weight546.72

Details

A-373002BACK ORDER

Agmatine Impurity 1

CAS #NA

Mol. formulaC₁₀H₂₁N₅O₂S

Mol. weight275.37

Details

A-373003BACK ORDER

Agmatine Impurity 2

CAS #207388-24-7

Mol. formulaC₁₄H₂₀N₄O₃

Mol. weight292.34

Details

A-374002INQUIRE FURTHER

Allisartan Isoproxil Impurity 1

CAS #NA

Mol. formulaC₂₈H₂₇ClN₆O₈

Mol. weight611.01

Details

A-375003BACK ORDER

Adenine Impurity 1

CAS #NA

Mol. formulaC₂₄H₁₈Cl₃N₅O₅

Mol. weight562.79

Details

A-375007BACK ORDER

Adenine-C2-13C-N1,N3-15N2 (Adenosine EP Impurity A-C2-13C-N1,N3-15N2)

CAS #NA

Mol. formulaC₄¹³CH₅N₃¹⁵N₂

Mol. weight138.11

Details

A-375012BACK ORDER

Adenine Impurity 2

CAS #NA

Mol. formulaC₇H₉N₅O

Mol. weight179.18

Details

A-375013BACK ORDER

9-Acetyl Adenine

CAS #6743-09-5

Mol. formulaC₇H₇N₅O

Mol. weight177.17

Details

A-378002BACK ORDER

Avenolide Impurity 1

CAS #1206874-24-9

Mol. formulaC₁₃H₂₂O₃

Mol. weight226.32

Details

A-379002BACK ORDER

Amidoprocaine Impurity 1

CAS #2773080-23-0

Mol. formulaC₂₀H₂₆N₄O₂

Mol. weight354.45

Details

A-3810IN STOCK

Aceclofenac EP Impurity G

CAS #1215709-75-3

Mol. formulaC₁₈H₁₅Cl₂NO₆

Mol. weight412.22

Details

A-3811IN STOCK

Aceclofenac EP Impurity H

CAS #1216495-92-9

Mol. formulaC₂₀H₁₇Cl₂NO₈

Mol. weight470.26

Details

A-3816BACK ORDER

Aceclofenac Impurity 2

CAS #NA

Mol. formulaC₁₂H₁₆O₂

Mol. weight192.26

Details

A-3817BACK ORDER

Aceclofenac Impurity 3

CAS #NA

Mol. formulaC₁₂H₁₅IO₂

Mol. weight318.15

Details

A-3818BACK ORDER

Aceclofenac Impurity 4

CAS #NA

Mol. formulaC₁₈H₁₉Cl₂NO₂

Mol. weight352.26

Details

A-3819BACK ORDER

Aceclofenac Impurity 5

CAS #NA

Mol. formulaC₂₀H₂₁Cl₂NO₄

Mol. weight410.29

Details

A-382002

Controlled item — please contact our sales team

Details

A-382003

Details

A-382004BACK ORDER

Androstenediol Impurity 3

CAS #13950-71-5

Mol. formulaC₂₁H₃₄O₂

Mol. weight318.50

Details

A-382005BACK ORDER

Androstenediol Impurity 4

CAS #NA

Mol. formulaC₂₂H₃₄O₃

Mol. weight 346.51

Details

A-385IN STOCK

Aceclofenac EP Impurity B

CAS #15307-78-5

Mol. formulaC₁₅H₁₃Cl₂NO₂

Mol. weight310.17

Details

A-385002IN STOCK

ent-AL-4414A HCl

CAS #256944-51-1

Mol. formulaC₉H₁₅N₃O₄S₃. HCl

Mol. weight325.42 36.46

Details

A-386IN STOCK

Aceclofenac EP Impurity C

CAS #15307-77-4

Mol. formulaC₁₆H₁₅Cl₂NO₂

Mol. weight324.20

Details

A-386003BACK ORDER

Anatabine (Nicotine EP Impurity A, (S)-Nicotine USP Related Compound A)

CAS #581-49-7

Mol. formulaC₁₀H₁₂N₂

Mol. weight160.22

Details

A-386007IN STOCK

Anatabine-d4 DiHCl (Nicotine EP Impurity A-d4 DiHCl, (S)-Nicotine USP Related Compound A-d4 DiHCl)

CAS #NA

Mol. formulaC₁₀H₈D₄N₂. 2 HCl

Mol. weight164.24 2*36.46

Details

A-386009IN STOCK

rac-Anatabine-d4 HCl (rac-Nicotine EP Impurity A-d4 HCl, Nicotine USP Related Compound A-d4 HCl)

CAS #NA

Mol. formulaC₁₀H₈D₄N₂. HCl

Mol. weight164.24 36.46

Details

A-386010IN STOCK

rac-Anatabine DiHCl (rac-Nicotine EP Impurity A DiHCl, Nicotine USP Related Compound A DiHCl)

CAS #NA

Mol. formulaC₁₀H₁₂N₂. 2 HCl

Mol. weight160.22 2*36.46

Details

A-386012IN STOCK

rac-Anatabine (rac-Nicotine EP Impurity A, Nicotine USP Related Compound A)

CAS #2743-90-0

Mol. formulaC₁₀H₁₂N₂

Mol. weight160.22

Details

A-387IN STOCK

Aceclofenac EP Impurity D

CAS #139272-66-5

Mol. formulaC₁₇H₁₅Cl₂NO₄

Mol. weight368.22

Details

A-387002IN STOCK

rac-Anabasine DiHCl (rac-Nicotine EP Impurity G DiHCl)

CAS #143924-48-5

Mol. formulaC₁₀H₁₄N₂. 2 HCl

Mol. weight162.24 2 36.46

Details

A-387005IN STOCK

(S)-Anabasine DiHCl (Nicotine EP Impurity G DiHCl)

CAS #31945-06-9

Mol. formulaC₁₀H₁₄N₂. 2 HCl

Mol. weight162.24 2*36.46

Details

A-387009BACK ORDER

N-Methyl Anabasine

CAS #2055-12-1

Mol. formulaC₁₁H₁₆N₂

Mol. weight176.26

Details

A-388IN STOCK

Aceclofenac EP Impurity E

CAS #139272-67-6

Mol. formulaC₁₈H₁₇Cl₂NO₄

Mol. weight382.24

Details

A-389IN STOCK

Aceclofenac EP Impurity F

CAS #100499-89-6

Mol. formulaC₂₃H₁₉Cl₂NO₄

Mol. weight444.31

Details

A-389003BACK ORDER

Atogepant Impurity 1

CAS #1488326-89-1

Mol. formulaC₂₀H₂₆F₃NO₅

Mol. weight417.43

Details

A-389004BACK ORDER

Atogepant Impurity 2

CAS #1456803-42-1

Mol. formulaC₁₇H₂₁F₃N₂O₃

Mol. weight358.36

Details

A-389005BACK ORDER

Atogepant Impurity 3

CAS #NA

Mol. formulaC₂₇H₂₂F₃N₅O₃

Mol. weight521.50

Details

A-389006BACK ORDER

Atogepant Impurity 4 (Atogepant Enantiomer)

CAS #2733814-47-4

Mol. formulaC₂₉H₂₃F₆N₅O₃

Mol. weight603.53

Details

A-389007BACK ORDER

Atogepant Impurity 5

CAS #NA

Mol. formulaC₃₁H₂₄F₉N₅O₃

Mol. weight685.55

Details

A-389008BACK ORDER

Atogepant Impurity 6

CAS #NA

Mol. formulaC₂₉H₂₃F₆N₅O₃

Mol. weight603.53

Details

A-389009BACK ORDER

Atogepant Impurity 7

CAS #NA

Mol. formulaC₂₉H₂₃F₆N₅O₃

Mol. weight603.53

Details

A-389010BACK ORDER

Atogepant Impurity 8

CAS #NA

Mol. formulaC₂₉H₂₃F₆N₅O₃

Mol. weight603.53

Details

A-389012BACK ORDER

Atogepant Impurity 9

CAS #1375794-72-1

Mol. formulaC₁₄H₁₄F₆N₂O

Mol. weight340.27

Details

A-389013BACK ORDER

Atogepant Impurity 10

CAS #NA

Mol. formulaC₂₉H₂₅F₆N₅O₄

Mol. weight621.54

Details

A-389015BACK ORDER

Atogepant Impurity 11

CAS #1455358-14-1

Mol. formulaC₁₈H₁₈ClN₃O

Mol. weight327.81

Details

A-389016BACK ORDER

Atogepant Impurity 12

CAS #1455358-12-9

Mol. formulaC₁₈H₁₉Cl₂N₃O

Mol. weight364.27

Details

A-389017BACK ORDER

Atogepant Impurity 13

CAS #NA

Mol. formulaC₁₇H₂₁F₃N₂O₃

Mol. weight 358.36

Details

A-389018BACK ORDER

Atogepant Impurity 14

CAS #1456803-43-2

Mol. formulaC₁₇H₂₁F₃N₂O₃

Mol. weight 358.36

Details

A-389019BACK ORDER

Atogepant Impurity 15

CAS #1488327-11-2

Mol. formulaC₁₇H₂₁F₃N₂O₃

Mol. weight358.36

Details

A-389020BACK ORDER

Atogepant Impurity 16

CAS #NA

Mol. formulaC₁₇H₂₁F₃N₂O₃

Mol. weight358.36

Details

A-389021BACK ORDER

Atogepant Impurity 17

CAS #NA

Mol. formulaC₁₇H₂₁F₃N₂O₃

Mol. weight358.36

Details

A-389022BACK ORDER

Atogepant Impurity 18

CAS #NA

Mol. formulaC₁₇H₂₁F₃N₂O₃

Mol. weight 358.36

Details

A-389023BACK ORDER

Atogepant Impurity 19

CAS #NA

Mol. formulaC₁₇H₂₁F₃N₂O₃

Mol. weight 358.36

Details

A-389024BACK ORDER

Atogepant Impurity 20

CAS #NA

Mol. formulaC₁₇H₂₁F₃N₂O₃

Mol. weight358.36

Details

A-389025BACK ORDER

Atogepant Impurity 21

CAS #NA

Mol. formulaC₂₉H₂₃F₆N₅O₃

Mol. weight603.53

Details

A-389026BACK ORDER

Atogepant Impurity 22

CAS #NA

Mol. formulaC₂₉H₂₃F₆N₅O₃

Mol. weight603.53

Details

A-389027BACK ORDER

Atogepant Impurity 23

CAS #NA

Mol. formulaC₂₉H₂₄F₅N₅O₃

Mol. weight585.54

Details

A-389028BACK ORDER

Atogepant Impurity 24

CAS #NA

Mol. formulaC₂₉H₂₄F₅N₅O₃

Mol. weight585.54

Details

A-389029BACK ORDER

Atogepant Impurity 25

CAS #NA

Mol. formulaC₂₉H₂₄F₅N₅O₃

Mol. weight585.54

Details

A-389030BACK ORDER

Atogepant Impurity 26

CAS #NA

Mol. formulaC₂₉H₂₃F₆N₅O₃

Mol. weight603.53

Details

A-393BACK ORDER

Amprenavir Impurity 1

CAS #139013-68-6

Mol. formulaC₄H₉ClO₂

Mol. weight124.56

Details

A-394002BACK ORDER

Allantoin Impurity 1

CAS #913083-74-6

Mol. formulaC₅H₈N₄O₄

Mol. weight188.14

Details

A-396003

Details

A-399003BACK ORDER

Atrasentan Impurity 1

CAS #173864-47-6

Mol. formulaC₂₁H₂₃NO₅

Mol. weight369.42

Details

A-399004BACK ORDER

Atrasentan Impurity 2

CAS #178739-03-2

Mol. formulaC₂₁H₂₃NO₅

Mol. weight 369.42

Details

A-399005IN STOCK

Atrasentan Impurity 3

CAS #178609-56-8

Mol. formulaC₁₉H₁₉NO₅

Mol. weight341.36

Details

A-399006BACK ORDER

Atrasentan Impurity 4

CAS #195529-62-5

Mol. formulaC₁₉H₁₉NO₅

Mol. weight341.36

Details

A-399007IN STOCK

Atrasentan Impurity 5

CAS #NA

Mol. formulaC₂₈H₃₈N₂O₆

Mol. weight498.62

Details

A-399008BACK ORDER

Atrasentan Impurity 6

CAS #NA

Mol. formulaC₂₈H₃₈N₂O₆

Mol. weight498.62

Details

A-399009IN STOCK

Atrasentan N-Oxide (Mixture of Diastereomers)

CAS #NA

Mol. formulaC₂₉H₃₈N₂O₇

Mol. weight526.63

Details

A-399011BACK ORDER

Atrasentan Impurity 7

CAS #1140617-21-5

Mol. formulaC₂₅H₃₀N₂O₆

Mol. weight454.52

Details

A-399012BACK ORDER

Atrasentan Impurity 8

CAS #NA

Mol. formulaC₂₁H₂₁NO₇

Mol. weight 399.40

Details

A-399013BACK ORDER

Atrasentan Impurity 9

CAS #195529-63-6

Mol. formulaC₁₉H₁₉NO₅. C₈H₈O₃

Mol. weight341.36 152.15

Details

A-399014IN STOCK

Atrasentan Impurity 10 HCl

CAS #NA

Mol. formulaC₂₈H₃₈N₂O₄. HCl

Mol. weight466.62 36.46

Details

A-399015BACK ORDER

ent-Atrasentan

CAS #173864-34-1

Mol. formulaC₂₉H₃₈N₂O₆

Mol. weight510.63

Details

A-399016BACK ORDER

(2R,3R,4R)-Atrasentan

CAS #NA

Mol. formulaC₂₉H₃₈N₂O₆

Mol. weight 510.63

Details

A-399017BACK ORDER

(2S,3R,4S)-Atrasentan

CAS #173937-92-3

Mol. formulaC₂₉H₃₈N₂O₆

Mol. weight 510.63

Details

A-399018BACK ORDER

(2R,3S,4S)-Atrasentan

CAS #NA

Mol. formulaC₂₉H₃₈N₂O₆

Mol. weight510.63

Details

A-399019BACK ORDER

(2S,3S,4S)-Atrasentan

CAS #NA

Mol. formulaC₂₉H₃₈N₂O₆

Mol. weight510.63

Details

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