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

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Showing 15601–15700 of 45668 standards · Impurities

E-2353IN STOCK

Entecavir Impurity 32

CAS #1415118-53-4

Mol. formulaC₁₅H₁₉N₅O₅

Mol. weight349.35

Details

E-2354IN STOCK

Entecavir Impurity 33

CAS #1415118-52-3

Mol. formulaC₁₅H₁₉N₅O₅

Mol. weight349.35

Details

E-2355IN STOCK

Entecavir Impurity 34

CAS #1354715-30-2

Mol. formulaC₁₇H₂₂ClN₅O₄

Mol. weight395.84

Details

E-2356BACK ORDER

Entecavir Impurity 35

CAS #110567-22-1

Mol. formulaC₂₀H₂₂O₃

Mol. weight310.39

Details

E-2357BACK ORDER

Entecavir Impurity 36

CAS #142217-77-4

Mol. formulaC₃₂H₃₃N₅O₄

Mol. weight551.65

Details

E-2358BACK ORDER

Entecavir Impurity 37

CAS #1907700-40-6

Mol. formulaC₃₂H₃₃N₅O₄

Mol. weight551.65

Details

E-2359BACK ORDER

Entecavir Impurity 38

CAS #NA

Mol. formulaC₅₁H₄₇N₅O₄

Mol. weight793.97

Details

E-236BACK ORDER

(1R, 3S, 4S)-Entecavir (Impurity D)

CAS #1333204-94-6

Mol. formulaC₁₂H₁₅N₅O₃

Mol. weight277.29

Details

E-2360BACK ORDER

Entecavir Impurity 39

CAS #NA

Mol. formulaC₃₂H₃₃N₅O₄

Mol. weight551.65

Details

E-236003IN STOCK

Erdafitinib Impurity 1

CAS #NA

Mol. formulaC₂₃H₂₆N₆O₂

Mol. weight418.50

Details

E-236006BACK ORDER

Erdafitinib Impurity 2

CAS #1346243-54-6

Mol. formulaC₂₄H₂₈N₆O₂

Mol. weight432.53

Details

E-236010BACK ORDER

Erdafitinib Impurity 3 HCl

CAS #6306-61-2

Mol. formulaC₅H₁₂ClN

Mol. weight121.61

Details

E-236012BACK ORDER

Erdafitinib Impurity 4

CAS #109-56-8

Mol. formulaC₅H₁₃NO

Mol. weight103.17

Details

E-2361BACK ORDER

Entecavir Impurity 40

CAS #873298-16-9

Mol. formulaC₂₀H₂₂O₃

Mol. weight310.39

Details

E-2362BACK ORDER

Entecavir Impurity 41

CAS #1345339-53-8

Mol. formulaC₅₁H₄₇N₅O₄

Mol. weight793.97

Details

E-2363BACK ORDER

Entecavir Impurity 42

CAS #1661867-19-1

Mol. formulaC₅₂H₄₇N₅O₃

Mol. weight789.98

Details

E-2364BACK ORDER

Entecavir Impurity 43

CAS #NA

Mol. formulaC₃₃H₃₃N₅O₃

Mol. weight547.66

Details

E-2365BACK ORDER

Entecavir Impurity 44

CAS #NA

Mol. formulaC₅₂H₄₇N₅O₃

Mol. weight789.98

Details

E-2366BACK ORDER

Entecavir Impurity 45

CAS #NA

Mol. formulaC₃₃H₃₃N₅O₃

Mol. weight547.66

Details

E-2367BACK ORDER

Entecavir Impurity 46

CAS #NA

Mol. formulaC₅₂H₄₇N₅O₃

Mol. weight789.98

Details

E-2368BACK ORDER

Entecavir Impurity 47

CAS #NA

Mol. formulaC₃₃H₃₃N₅O₃

Mol. weight547.66

Details

E-2369BACK ORDER

Entecavir Impurity 48

CAS #NA

Mol. formulaC₅₂H₄₇N₅O₃

Mol. weight789.98

Details

E-237IN STOCK

Entecavir EP Impurity A (1'-epi-Entecavir)

CAS #1367369-78-5

Mol. formulaC₁₂H₁₅N₅O₃

Mol. weight277.28

Details

E-2370BACK ORDER

Entecavir Impurity 49

CAS #NA

Mol. formulaC₃H₃₃N₅O₃

Mol. weight547.66

Details

E-2371BACK ORDER

Entecavir Impurity 50

CAS #NA

Mol. formulaC₅₂H₄₇N₅O₃

Mol. weight789.98

Details

E-2372BACK ORDER

Entecavir Impurity 51

CAS #NA

Mol. formulaC₅₁H₄₅N₅O₄

Mol. weight791.95

Details

E-2373BACK ORDER

Entecavir Impurity 52

CAS #NA

Mol. formulaC₅₁H₄₅N₅O₄

Mol. weight791.95

Details

E-2374BACK ORDER

Entecavir Impurity 53

CAS #NA

Mol. formulaC₅₁H₄₅N₅O₄

Mol. weight791.95

Details

E-2375BACK ORDER

Entecavir Impurity 54

CAS #NA

Mol. formulaC₅₁H₄₇N₅O₄

Mol. weight793.97

Details

E-2376BACK ORDER

Entecavir Impurity 55

CAS #NA

Mol. formulaC₅₁H₄₇N₅O₄

Mol. weight793.97

Details

E-2377BACK ORDER

Entecavir Impurity 56

CAS #NA

Mol. formulaC₁₃H₁₇N₅O₄

Mol. weight307.31

Details

E-2378BACK ORDER

Entecavir Impurity 57

CAS #NA

Mol. formulaC₃₂H₃₃N₅O₄

Mol. weight 551.65

Details

E-2379BACK ORDER

Entecavir Impurity 58

CAS #NA

Mol. formulaC₃₂H₃₃N₅O₄

Mol. weight551.65

Details

E-2380BACK ORDER

Entecavir Impurity 59

CAS #NA

Mol. formulaC₃₂H₃₃N₅O₄

Mol. weight551.65

Details

E-2381BACK ORDER

Entecavir Impurity 60

CAS #NA

Mol. formulaC₃₂H₃₃N₅O₄

Mol. weight551.65

Details

E-2382BACK ORDER

Entecavir Impurity 61

CAS #NA

Mol. formulaC₅₁H₄₇N₅O₄

Mol. weight793.97

Details

E-2383BACK ORDER

Entecavir Impurity 62

CAS #1354695-86-5

Mol. formulaC₂₆H₂₇N₅O₃

Mol. weight457.53

Details

E-2384BACK ORDER

Entecavir Impurity 63

CAS #1354695-84-3

Mol. formulaC₂₆H₂₇N₅O₃

Mol. weight457.53

Details

E-2385BACK ORDER

Entecavir Impurity 64

CAS #1354695-85-4

Mol. formulaC₂₆H₂₇N₅O₃

Mol. weight457.53

Details

E-2386BACK ORDER

Entecavir Impurity 65

CAS #NA

Mol. formulaC₃₂H₃₃N₅O₄

Mol. weight551.65

Details

E-2387BACK ORDER

Entecavir Impurity 66

CAS #156422-39-8

Mol. formulaC₁₉H₁₇N₅O

Mol. weight331.38

Details

E-2388BACK ORDER

Entecavir Impurity 67

CAS #2514698-87-2

Mol. formulaC₂₆H₂₇N₅O₃

Mol. weight457.53

Details

E-239IN STOCK

Entecavir EP Impurity B HCl

CAS #NA

Mol. formulaC₁₂H₁₅N₅O₃. HCl

Mol. weight277.29 36.46

Details

E-242004IN STOCK

Elacestrant Impurity 1

CAS #NA

Mol. formulaC₂₈H₃₄N₂O₂

Mol. weight430.59

Details

E-242005IN STOCK

Elacestrant Impurity 2

CAS #3033111-52-0

Mol. formulaC₁₉H₂₃NO₂

Mol. weight297.40

Details

E-242007BACK ORDER

N1-Nitroso Elacestrant Impurity 1

CAS #NA

Mol. formulaC₂₈H₃₃N3_O₃

Mol. weight459.59

Details

E-242008BACK ORDER

N2-Nitroso Elacestrant Impurity 1

CAS #NA

Mol. formulaC₂₈H₃₃N3_O₃

Mol. weight459.59

Details

E-242009BACK ORDER

N1,N2-Dinitroso Elacestrant Impurity 1

CAS #NA

Mol. formulaC₂₈H₃₂N₄O₄

Mol. weight488.59

Details

E-242011IN STOCK

Elacestrant Impurity 3

CAS #NA

Mol. formulaC₂₁H₂₇NO₂

Mol. weight325.45

Details

E-242012BACK ORDER

Elacestrant Impurity 4

CAS #NA

Mol. formulaC₃₀H₃₆N₂O₂

Mol. weight456.63

Details

E-244007BACK ORDER

Exatecan Impurity 1

CAS #2763452-46-4

Mol. formulaC₁₀₂H₁₁₆F₂N₁₆O₂₉S₂

Mol. weight2132.25

Details

E-244008IN STOCK

Exatecan Impurity 2 Sodium Salt

CAS #NA

Mol. formulaC₂₄H₂₃FN₃O₅. Na

Mol. weight452.46 22.99

Details

E-244010BACK ORDER

Exatecan Impurity 3 HCl

CAS #2436720-50-0

Mol. formulaC₁₁H₁₃FN₂O. HCl

Mol. weight 208.24 36.46

Details

E-244014IN STOCK

Exatecan Impurity 4 (Dxd)

CAS #1599440-33-1

Mol. formulaC₂₆H₂₄FN₃O₆

Mol. weight493.49

Details

E-244016BACK ORDER

Exatecan Impurity 5

CAS #143655-58-7

Mol. formulaC₁₃H₁₄FNO₂

Mol. weight 235.26

Details

E-244017BACK ORDER

Exatecan Impurity 6

CAS #182182-32-7

Mol. formulaC₁₃H₁₃FN₂O₃

Mol. weight 264.26

Details

E-244018BACK ORDER

Exatecan Impurity 7

CAS #3076725-07-7

Mol. formulaC₄₄H₄₇FN₁₀O₁₃

Mol. weight942.92

Details

E-245003BACK ORDER

Ecubectedin Impurity 1

CAS #308359-33-3

Mol. formulaC₃₁H₃₁N₃O₉S

Mol. weight621.66

Details

E-249006BACK ORDER

(E)-Endoxifen

CAS #NA

Mol. formulaC₂₅H₂₇NO₂

Mol. weight373.50

Details

E-249008BACK ORDER

Endoxifen-O-Sulfate

CAS #NA

Mol. formulaC₂₅H₂₇NO₅S

Mol. weight453.55

Details

E-249009BACK ORDER

(E)-Endoxifen-O-Sulfate

CAS #NA

Mol. formulaC₂₅H₂₇NO₅S

Mol. weight453.55

Details

E-249010BACK ORDER

(E/Z)-Endoxifen-O-Sulfate

CAS #NA

Mol. formulaC₂₅H₂₇NO₅S

Mol. weight453.55

Details

E-250002BACK ORDER

N-Desethyl Ethirimol

CAS #4038-64-6

Mol. formulaC₉H₁₅N₃O

Mol. weight181.24

Details

E-251003IN STOCK

Etanidazole Impurity 1

CAS #22813-31-6

Mol. formulaC₆H₇N₃O₄

Mol. weight185.14

Details

E-252002BACK ORDER

20-Hydroxy Ecdysone

CAS #5289-74-7

Mol. formulaC₂₇H₄₄O₇

Mol. weight480.64

Details

E-252003BACK ORDER

14-Deoxy-20-Hydroxyecdysone

CAS #17146-23-5

Mol. formulaC₂₇H₄₄O₆

Mol. weight464.64

Details

E-253002BACK ORDER

Epyrifenacil Acid

CAS #353292-39-4

Mol. formulaC₁₉H₁₂ClF₄N₃O₆

Mol. weight489.76

Details

E-254004BACK ORDER

Eravacycline impurity 1

CAS #61618-26-6

Mol. formulaC₂₁H₂₁FN₂O₇

Mol. weight Molecular Weight:

Details

E-254005BACK ORDER

Eravacycline impurity 2 Sulfate

CAS #1911590-00-5

Mol. formulaC₂₁H₂₀FN₃O₉. H₂SO₄

Mol. weight477.40 98.07

Details

E-254006BACK ORDER

Eravacycline impurity 3 HCl

CAS #1431558-59-6

Mol. formulaC₂₁H₂₂FN₃O₇. HCl

Mol. weight447.42 36.46

Details

E-254007BACK ORDER

Eravacycline impurity 4

CAS #NA

Mol. formulaC₂₇H₂₉FN₄O₇

Mol. weight 540.55

Details

E-254008BACK ORDER

Eravacycline impurity 5

CAS #NA

Mol. formulaC₂₇H₂₉FN₄O₈

Mol. weight556.55

Details

E-254009BACK ORDER

Eravacycline impurity 6

CAS #NA

Mol. formulaC₂₇H₃₁FN₄O₉

Mol. weight574.56

Details

E-254010BACK ORDER

Eravacycline impurity 7

CAS #NA

Mol. formulaC₂₇H₃₁FN₄O₉

Mol. weight574.56

Details

E-254011BACK ORDER

Eravacycline impurity 8

CAS #NA

Mol. formulaC₂₇H₃₀FN₃O₈

Mol. weight543.55

Details

E-254012INQUIRE FURTHER

Eravacycline impurity 9

CAS #NA

Mol. formulaC₂₇H₃₁FN₄O₇

Mol. weight542.56

Details

E-254013BACK ORDER

Eravacycline Impurity 10

CAS #NA

Mol. formulaC₂₇H₂₉FN₄O₈

Mol. weight556.55

Details

E-256002BACK ORDER

Etiproston Impurity 1

CAS #59619-62-4

Mol. formulaC₁₉H₂₂O₆

Mol. weight346.38

Details

E-259BACK ORDER

Eflornithine Impurity 1

CAS #NA

Mol. formulaC₁₈H₂₈F₂N₄O₄

Mol. weight402.44

Details

E-260001IN STOCK

Etodroxizine Dimaleate

CAS #56335-21-8

Mol. formulaC₂₃H₃₁ClN₂O₃. 2 C₄H₄O₄

Mol. weight418.96 2*116.07

Details

E-260002BACK ORDER

Etodroxizine-d8

CAS #1794941-58-4

Mol. formulaC₂₃H₂₃D₈ClN₂O₃

Mol. weight427.01

Details

E-261IN STOCK

Epinephrine (Adrenaline, Noradrenaline EP Impurity A)

CAS #51-43-4

Mol. formulaC₉H₁₃NO₃

Mol. weight183.21

Details

E-2610BACK ORDER

Adrenaline EP Impurity F

CAS #78995-75-2

Mol. formulaC₉H₁₃NO₅S

Mol. weight247.27

Details

E-26100IN STOCK

Epinephrine Impurity 37 HCl

CAS #NA

Mol. formulaC₁₈H₂₂N₂O₄. HCl

Mol. weight330.38 36.46

Details

E-26101BACK ORDER

Epinephrine Sulfonic Acid-13C-d3 (Adrenaline Sulfonic Acid-13C-d3, rac-Adrenaline EP Impurity F-13C-d3)

CAS #NA

Mol. formulaC₈¹³CH₁₀D₃NO₅S

Mol. weight251.28

Details

E-26102IN STOCK

N/A

CAS #NA

Mol. formulaN/A

Mol. weightN/A

Details

E-26103IN STOCK

Epinephrine Impurity 36 Formate

CAS #NA

Mol. formulaC₁₈H₂₂N₂O₄. CH₂O₂

Mol. weight330.38 46.03

Details

E-26107IN STOCK

Epinephrine Impurity 37 Formate

CAS #NA

Mol. formulaC₁₈H₂₂N₂O₄. CH₂O₂

Mol. weight330.38 46.03

Details

E-26108IN STOCK

rac-Epinephrine Impurity 17

CAS #2228339-18-0

Mol. formulaC₉H₁₃NO₄

Mol. weight199.21

Details

E-26109BACK ORDER

Epinephrine Impurity 39

CAS #NA

Mol. formulaC₉H₁₃NO₄

Mol. weight199.21

Details

E-26110BACK ORDER

Epinephrine Impurity 99

CAS #106148-95-2

Mol. formulaC₂₄H₂₃NO₅

Mol. weight405.45

Details

E-26111BACK ORDER

Epinephrine Impurity 100

CAS #106148-96-3

Mol. formulaC₂₄H₂₃NO₅

Mol. weight405.45

Details

E-26112BACK ORDER

Epinephrine Impurity 101 HCl

CAS #79254-32-3

Mol. formulaC₁₀H₁₃NO₃. HCl

Mol. weight195.22 36.46

Details

E-26113IN STOCK

rac-Epinephrine (rac-Adrenaline, Dipivefrine EP Impurity A)

CAS #329-65-7

Mol. formulaC₉H₁₃NO₃

Mol. weight183.21

Details

E-26114BACK ORDER

Epinephrine Impurity 102 HCl

CAS #79201-22-2

Mol. formulaC₁₀H₁₃NO₃. HCl

Mol. weight195.22 36.46

Details

E-26116INQUIRE FURTHER

Epinephrine Impurity 103

CAS #NA

Mol. formulaC₁₁H₁₅NO

Mol. weight209.25

Details

E-26117IN STOCK

Epinephrine Impurity 104 (Mixture of Diastereomers)

CAS #NA

Mol. formulaC₁₁H₁₅NO₃

Mol. weight209.25

Details

E-26118IN STOCK

Epinephrine Impurity 105

CAS #79201-23-3

Mol. formulaC₁₁H₁₅NO₃

Mol. weight209.25

Details

E-26119IN STOCK

Epinephrine Impurity 106

CAS #79201-25-5

Mol. formulaC₁₁H₁₅NO₃

Mol. weight209.25

Details

E-26120IN STOCK

Epinephrine Impurity 107 (Mixture of Diastereomers)

CAS #NA

Mol. formulaC₁₃H₁₉NO₃

Mol. weight237.30

Details

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