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

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Showing 3301–3400 of 45616 standards · Impurities

A-609IN STOCK

Ambroxol Impurity 4

CAS #2499966-00-4

Mol. formulaC₁₃H₁₆Br₂N₂O

Mol. weight376.09

Details

A-615BACK ORDER

Amantadine EP Impurity A

CAS #935-56-8

Mol. formulaC₁₀H₁₅Cl

Mol. weight170.68

Details

A-616BACK ORDER

Amantadine EP Impurity B

CAS #880-52-4

Mol. formulaC₁₂H₁₉NO

Mol. weight193.29

Details

A-6511BACK ORDER

Alosetron Impurity 1

CAS #1011293-30-3

Mol. formulaC₁₇H₁₆N₄O₂

Mol. weight308.34

Details

A-6610IN STOCK

Ampicillin EP Impurity J

CAS #6489-58-3

Mol. formulaC₁₃H₂₀N₂O₄S

Mol. weight300.37

Details

A-6611IN STOCK

Ampicillin EP Impurity K

CAS #40610-41-1

Mol. formulaC₁₃H₁₇NO₃

Mol. weight235.28

Details

A-6612IN STOCK

Ampicillin EP Impurity M Disodium Salt (Ampicillin Dimer Disodium Salt)

CAS #NA

Mol. formulaC₃₂H₃₆N₆O₈S₂. 2 Na

Mol. weight696.81 2*22.99

Details

A-6613BACK ORDER

Ampicillin Impurity 9

CAS #NA

Mol. formulaC₁₁H₁₀N₂O₃

Mol. weight218.21

Details

A-6614BACK ORDER

Ampicillin EP Impurity N (Dimer)

CAS #NA

Mol. formulaC₃₂H₄₀N₆O₉S₂

Mol. weight716.84

Details

A-6615IN STOCK

Ampicillin EP Impurity M Trisodium Salt (Ampicillin Trimer Trisodium Salt)

CAS #94659-48-0

Mol. formulaC₄₈H₅₄N₉O₁₂S₃. 3 Na

Mol. weight1045.19 3*22.99

Details

A-6616IN STOCK

Ampicillin Trihydrate EP Impurity N HCl

CAS #NA

Mol. formulaC₁₆H₁₉N₃O₄S. HCl

Mol. weight349.41 36.46

Details

A-6618BACK ORDER

Ampicillin Impurity 3

CAS #NA

Mol. formulaC₃₃H₃₉N₅O₈S₂

Mol. weight697.82

Details

A-6619BACK ORDER

Ampicillin Impurity 4

CAS #NA

Mol. formulaC₄₈H₅₇N₉O₁₂S₃

Mol. weight1048.22

Details

A-662IN STOCK

Ampicillin EP Impurity B (L-Ampicillin)

CAS #19379-33-0

Mol. formulaC₁₆H₁₉N₃O₄S

Mol. weight349.41

Details

A-6620IN STOCK

Ampicillin Impurity 5

CAS #NA

Mol. formulaC₁₇H₂₁N₃O₆S

Mol. weight395.43

Details

A-6621IN STOCK

Ampicillin Impurity 6 Disodium Salt

CAS #NA

Mol. formulaC₂₄H₂₉N₅O₇S₂. 2 Na

Mol. weight563.65 2*22.99

Details

A-6622BACK ORDER

Ampicillin Impurity 7

CAS #NA

Mol. formulaC₃₁H₄₀N₆O₇S₂

Mol. weight672.82

Details

A-6623IN STOCK

Ampicillin Impurity 8

CAS #NA

Mol. formulaC₂₄H₂₉N₅O₆S₂

Mol. weight547.65

Details

A-6625IN STOCK

Ampicillin Impurity 11

CAS #281670-45-9

Mol. formulaC₁₆H₁₄N₂O₂

Mol. weight266.30

Details

A-6626IN STOCK

Ampicillin Impurity 12

CAS #281670-46-0

Mol. formulaC₁₆H₁₄N₂O₂

Mol. weight266.30

Details

A-6627BACK ORDER

Ampicillin Impurity 13

CAS #NA

Mol. formulaC₃₂H₃₆N₆O₇S₂

Mol. weight680.80

Details

A-6628BACK ORDER

Ampicillin Impurity 14 Sodium Salt

CAS #1642559-70-3

Mol. formulaC₁₆H₂₀N₃O₅S. Na

Mol. weight366.41 22.99

Details

A-6629INQUIRE FURTHER

Ampicillin Impurity 15

CAS #NA

Mol. formulaC₂₄H₃₀N₄O₉S₂

Mol. weight582.64

Details

A-663IN STOCK

Ampicillin EP Impurity C (Bacampicillin EP Impurity E, Ampicillin Diketopiperazine)

CAS #NA

Mol. formulaC₁₆H₁₉N₃O₄S

Mol. weight349.41

Details

A-6632BACK ORDER

Ampicillin Impurity 16

CAS #NA

Mol. formulaC₁₆H₂₀N₄O₃S

Mol. weight348.42

Details

A-6633BACK ORDER

Ampicillin Impurity 17

CAS #NA

Mol. formulaC₄₈H₅₃N₉O₁₀S₃

Mol. weight1012.19

Details

A-6634IN STOCK

Ampicillin Impurity 18 Sodium Salt

CAS #2629893-50-9

Mol. formulaC₁₆H₁₅N₂O₅S. Na

Mol. weight347.37 22.99

Details

A-6635INQUIRE FURTHER

Ampicillin Impurity 19

CAS #NA

Mol. formulaC₃₂H₄₀N₆O₉S₂

Mol. weight716.83

Details

A-6636INQUIRE FURTHER

Ampicillin Impurity 20

CAS #NA

Mol. formulaC₃₁H₄₀N₆O₇S₂

Mol. weight672.82

Details

A-6637IN STOCK

Ampicillin EP Impurity B-d5 (L-Ampicillin-d5)

CAS #NA

Mol. formulaC₁₆H₁₄D₅N₃O₄S

Mol. weight354.44

Details

A-6638IN STOCK

Ampicillin Trihydrate EP Impurity N

CAS #NA

Mol. formulaC₁₆H₁₉N₃O₄S

Mol. weight349.41

Details

A-6639BACK ORDER

Ampicillin Impurity 21

CAS #NA

Mol. formulaC₂₇H₂₇N₅O₆S

Mol. weight549.60

Details

A-664IN STOCK

Ampicillin EP Impurity D Disodium Salt (Mixture of Diastereomers)

CAS #NA

Mol. formulaC₁₆H₁₉N₃O₅S. 2 Na

Mol. weight365.41 2*22.99

Details

A-6640INQUIRE FURTHER

Ampicillin Impurity 22

CAS #NA

Mol. formulaC₁₇H₂₁N₃O₄S

Mol. weight363.43

Details

A-6641BACK ORDER

Ampicillin Impurity 23 DiHCl

CAS #NA

Mol. formulaC₁₇H₂₃N₃O₅S. 2HCl

Mol. weight381.45 2*36.46

Details

A-6642BACK ORDER

Ampicillin Impurity 24 DiHCl

CAS #NA

Mol. formulaC₁₇H₂₃N₃O₅S. 2HCl

Mol. weight381.45 2*36.46

Details

A-6643BACK ORDER

Ampicillin Impurity 25 HCl

CAS #NA

Mol. formulaC₁₇H₂₁N₃O₄S. HCl

Mol. weight363.43 36.46

Details

A-665IN STOCK

Ampicillin EP Impurity E

CAS #1207726-28-0

Mol. formulaC₂₄H₂₆N₄O₅S

Mol. weight482.56

Details

A-666IN STOCK

Ampicillin EP Impurity F (Bacampicillin EP Impurity C) (Mixture of Diastereomers)

CAS #NA

Mol. formulaC₁₅H₂₁N₃O₃S

Mol. weight323.41

Details

A-667IN STOCK

Ampicillin EP Impurity G

CAS #31485-02-6

Mol. formulaC₁₆H₁₄N₂O₂

Mol. weight266.30

Details

A-668IN STOCK

Ampicillin EP Impurity H (Cefaclor EP Impurity F)

CAS #73200-73-4

Mol. formulaC₁₀H₈N₂O

Mol. weight172.19

Details

A-669IN STOCK

Ampicillin EP Impurity I

CAS #10001-82-8

Mol. formulaC₂₄H₂₆N₄O₅S

Mol. weight482.56

Details

A-676BACK ORDER

Alizapride Impurity 1

CAS #26116-13-2

Mol. formulaC₈H₁₆N₂

Mol. weight140.23

Details

A-6811IN STOCK

Azelastine Impurity 5 HCl

CAS #117078-70-3

Mol. formulaC₂₂H₂₄ClN₃O. HCl

Mol. weight381.91 36.46

Details

A-6812IN STOCK

Azelastine Impurity 4 HCl

CAS #NA

Mol. formulaC₂₂H₂₄ClN₃O. HCl

Mol. weight381.90 36.46

Details

A-6816IN STOCK

Azelastine EP Impurity C

CAS #53242-76-5

Mol. formulaC₁₅H₁₁ClO₃

Mol. weight274.70

Details

A-6817IN STOCK

Azelastine Impurity 1 HCl

CAS #NA

Mol. formulaC₂₂H₂₄ClN₃O. HCl

Mol. weight381.91 36.46

Details

A-6818IN STOCK

Azelastine Impurity 2 HCl

CAS #NA

Mol. formulaC23H24ClN3O. HCl

Mol. weight393.92 36.46

Details

A-6819IN STOCK

Azelastine Impurity 3 HCl

CAS #NA

Mol. formulaC23H24ClN3O. HCl

Mol. weight393.92 36.46

Details

A-6820IN STOCK

Azelastine EP Impurity A

CAS #613-94-5

Mol. formulaC₇H₈N₂O

Mol. weight136.15

Details

A-6821IN STOCK

Azelastine Impurity 6 DiHCl

CAS #169123-29-9

Mol. formulaC₇H₁₇N₃. 2 HCl

Mol. weight143.23 2*36.46

Details

A-6822IN STOCK

Azelastine Impurity 7

CAS #791758-74-2

Mol. formulaC₁₅H₁₉N₃O₂

Mol. weight273.34

Details

A-6823BACK ORDER

Azelastine Impurity 8

CAS #6976-17-6

Mol. formulaC₅H₁₁NO₂.HCl

Mol. weight117.15 36.46

Details

A-6824IN STOCK

Azelastine Impurity 9 HCl

CAS #89584-24-7

Mol. formulaC₆H₁₃NO₂. HCl

Mol. weight131.18 36.46

Details

A-6825BACK ORDER

Azelastine Impurity 10

CAS #1239312-56-1

Mol. formulaC₁₀H₁₉NO₄

Mol. weight217.27

Details

A-6826BACK ORDER

Azelastine Impurity 11

CAS #NA

Mol. formulaC₉H₁₅NO₃

Mol. weight185.22

Details

A-6827BACK ORDER

Azelastine Impurity 12

CAS #NA

Mol. formulaC₉H₁₅NO₃

Mol. weight185.22

Details

A-6828BACK ORDER

Azelastine Impurity 13

CAS #50492-22-3

Mol. formulaC₆H₁₁NO. HCl

Mol. weight113.16 36.46

Details

A-6829IN STOCK

Azelastine Impurity 14 HCl

CAS #19869-42-2

Mol. formulaC₇H₁₃NO. HCl

Mol. weight127.19 36.46

Details

A-6831IN STOCK

Azelastine Impurity 15 (Mixture of Z and E Isomers)

CAS #174826-63-2

Mol. formulaC₉H₁₇N₃O

Mol. weight183.25

Details

A-6832BACK ORDER

Azelastine Impurity 16

CAS #NA

Mol. formulaC₁₄H₂₄N₂O

Mol. weight236.36

Details

A-6833BACK ORDER

Azelastine Impurity 17

CAS #NA

Mol. formulaC₁₄H₂₄N₂O

Mol. weight236.36

Details

A-6834BACK ORDER

Azelastine Impurity 18 HCl

CAS #NA

Mol. formulaC₂₂H₂₅N₃O. HCl

Mol. weight347.46 36.46

Details

A-6837BACK ORDER

N-Nitroso Azelastine EP Impurity B

CAS #NA

Mol. formulaC₁₄H₂₀N₄O₂

Mol. weight276.34

Details

A-6838IN STOCK

Azelastine Impurity 19 HCl

CAS #NA

Mol. formulaC₂₂H₂₄ClN₃O. HCl

Mol. weight381.91 36.46

Details

A-6839INQUIRE FURTHER

N-Nitroso Azelastine EP Impurity A

CAS #NA

Mol. formulaC₇H₇N₃O₂

Mol. weight165.15

Details

A-6840BACK ORDER

Azelastine Impurity 20 HCl

CAS #NA

Mol. formulaC₁₃H₁₉N₃O. HCl

Mol. weight233.32 36.46

Details

A-6841BACK ORDER

N-Nitroso Azelastine Impurity 20 HCl

CAS #NA

Mol. formulaC₁₃H₁₈N₄O₂. HCl

Mol. weight262.31 36.46

Details

A-685IN STOCK

N-Desmethyl Azelastine HCl

CAS #79342-58-8

Mol. formulaC₂₁H₂₂ClN₃O. HCl

Mol. weight367.88 36.46

Details

A-686IN STOCK

Azelastine EP Impurity B DiHCl (Azelastine USP Related Compound B DiHCl)

CAS #NA

Mol. formulaC₁₄H₂₁N₃O. 2 HCl

Mol. weight247.34 2*36.46

Details

A-687IN STOCK

Azelastine EP Impurity D (Azelastine USP Related Compound D)

CAS #53242-88-9

Mol. formulaC₁₅H₁₁ClN₂O

Mol. weight270.72

Details

A-688IN STOCK

Azelastine EP Impurity E (Z-Isomer)

CAS #105279-16-1

Mol. formulaC₁₅H₉ClO₂

Mol. weight256.69

Details

A-6912BACK ORDER

Allopurinol Impurity 1

CAS #NA

Mol. formulaC₈H₈N₆O₂

Mol. weight220.19

Details

A-6916INQUIRE FURTHER

Allopurinol Impurity 3

CAS #NA

Mol. formulaC₆H₈N₂O₂

Mol. weight140.14

Details

A-6917BACK ORDER

Allopurinol Impurity 4 Disodium Salt

CAS #NA

Mol. formulaC₁₃H₁₄N₂O₄. 2Na

Mol. weight262.27 2*22.99

Details

A-6919BACK ORDER

Allopurinol Impurity 5

CAS #4862-18-4

Mol. formulaC₆H₁₂N₄O₃

Mol. weight188.19

Details

A-6920BACK ORDER

Allopurinol Impurity 6

CAS #NA

Mol. formulaC₄H₅N₅O₂

Mol. weight155.12

Details

A-694IN STOCK

Allopurinol EP Impurity A (Allopurinol USP Related Compound A (Free Form))

CAS #5334-31-6

Mol. formulaC₄H₆N₄O

Mol. weight126.12

Details

A-695IN STOCK

Allopurinol EP Impurity B

CAS #22407-20-1

Mol. formulaC₅H₆N₄O₂

Mol. weight154.13

Details

A-696IN STOCK

Allopurinol EP Impurity C

CAS #1346604-13-4

Mol. formulaC₆H₆N₆O

Mol. weight178.16

Details

A-697IN STOCK

Allopurinol EP Impurity D (Allopurinol USP Related Compound D)

CAS #6994-25-8

Mol. formulaC₆H₉N₃O₂

Mol. weight155.16

Details

A-698IN STOCK

Allopurinol EP Impurity E

CAS #31055-19-3

Mol. formulaC₇H₉N₃O₃

Mol. weight183.17

Details

A-7110BACK ORDER

Hydroxy Aliskiren Impurity

CAS #NA

Mol. formulaC₃₀H₅₃N₃O₇. 0.5 C₄H₄O₄

Mol. weight567.77 0.5 116.07

Details

A-7111BACK ORDER

Aliskiren Michael Adduct-1 Impurity

CAS #NA

Mol. formulaC₃₄H₅₇N₃O₁₀

Mol. weight667.85

Details

A-7112BACK ORDER

Aliskiren Michael Adduct-2 Impurity

CAS #NA

Mol. formulaC₃₄H₅₇N₃O₁₀

Mol. weight667.85

Details

A-7113BACK ORDER

Aliskiren Impurity 1

CAS #NA

Mol. formulaC₂₉H₅₁N₃O₆

Mol. weight537.74

Details

A-7114BACK ORDER

Aliskiren Hemifumarate (RSSS isomer) Impurity

CAS #NA

Mol. formulaC₃₀H₅₃N₃O₆. 0.5 C₄H₄O₄

Mol. weight551.77 0.5 116.07

Details

A-714BACK ORDER

Amino Lactone Impurity

CAS #NA

Mol. formulaC₂₅H₄₁NO₅

Mol. weight435.61

Details

A-715IN STOCK

Aliskiren Acid Impurity Sodium Salt

CAS #NA

Mol. formulaC₃₀H₅₁N₂O₇. Na

Mol. weight551.75 22.99

Details

A-716BACK ORDER

Aliskiren Hemifumarate (RRRS isomer) Impurity

CAS #NA

Mol. formulaC₃₀H₅₃N₃O₆. 0.5 C₄H₄O₄

Mol. weight551.77 0.5 116.07

Details

A-717BACK ORDER

Aliskiren Hemifumarate (SSSR isomer) Impurity

CAS #NA

Mol. formulaC₃₀H₅₃N₃O₆. 0.5 C₄H₄O₄

Mol. weight551.77 0.5 116.07

Details

A-718BACK ORDER

Aliskiren Hemifumarate Enantiomer (RRRR isomer) Impurity

CAS #NA

Mol. formulaC₃₀H₅₃N₃O₆. 0.5 C₄H₄O₄

Mol. weight551.77 0.5 116.07

Details

A-719BACK ORDER

Desmethoxy Aliskiren Impurity

CAS #NA

Mol. formulaC₂₉H₅₁N₃O₅. 0.5 C₄H₄O₄

Mol. weight521.75 0.5 116.07

Details

A-7310IN STOCK

Amorolfine Impurity 8

CAS #2497333-07-8

Mol. formulaC₁₅H₂₄O

Mol. weight220.36

Details

A-7311IN STOCK

Amorolfine EP Impurity E HCl (trans-Amorolfine HCl) (Mixture of Diastereomers)

CAS #NA

Mol. formulaC₂₁H₃₅NO. HCl

Mol. weight317.52 36.46

Details

A-7312BACK ORDER

Amorolfine Impurity 9

CAS #922734-43-8

Mol. formulaC₁₆H₂₆ClNO

Mol. weight283.84

Details

A-7313BACK ORDER

Amorolfine EP Impurity D (Fenpropimorph)

CAS #67564-91-4

Mol. formulaC₂₀H₃₃NO

Mol. weight303.49

Details

A-7314BACK ORDER

Amorolfine Impurity 10

CAS #NA

Mol. formulaC₂₀H₃₃NO₂

Mol. weight319.49

Details

A-7315INQUIRE FURTHER

Amorolfine EP Impurity K

CAS #NA

Mol. formulaC₂₂H₃₇NO

Mol. weight331.54

Details

A-7316INQUIRE FURTHER

Amorolfine EP Impurity L

CAS #2837962-58-8

Mol. formulaC₂₆H₄₅NO

Mol. weight387.65

Details

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