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

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Showing 31801–31900 of 45668 standards · Impurities

P-224010BACK ORDER

Phoxim Impurity 6

CAS #14816-16-1

Mol. formulaC₁₀H₁₁N₂O₃PS

Mol. weight270.24

Details

P-228IN STOCK

Piperaquine Impurity 6 (7-Chloro-4-Piperazinylquinoline)

CAS #837-52-5

Mol. formulaC₁₃H₁₄ClN₃

Mol. weight247.73

Details

P-228002IN STOCK

Piperazine Impurity 2 (1,4-Piperazinediethylamine)

CAS #6531-38-0

Mol. formulaC₈H₂₀N₄

Mol. weight172.28

Details

P-228004IN STOCK

Piperazine Impurity 1 TetraHCl

CAS #881850-92-6

Mol. formulaC₈H₂₀N₄. 4 HCl

Mol. weight172.28 4*36.46

Details

P-228006BACK ORDER

Piperazine Impurity 3 (1-Ethylpiperazine)

CAS #5308-25-8

Mol. formulaC6H14N2

Mol. weight114.19

Details

P-228017IN STOCK

N-Nitroso Piperazine Impurity 3 (N-Nitroso 1-Ethylpiperazine)

CAS #65504-33-8

Mol. formulaC₆H₁₃N₃O

Mol. weight143.19

Details

P-228019BACK ORDER

Piperazine Impurity 5

CAS #106-59-2

Mol. formulaC₄H₁₂N₄

Mol. weight116.17

Details

P-228020IN STOCK

Piperazine Impurity 6

CAS #21043-40-3

Mol. formulaC₉H₁₈N₂

Mol. weight154.26

Details

P-228021IN STOCK

Piperazine Impurity 7

CAS #119891-85-9

Mol. formulaC₁₄H₂₆N₂

Mol. weight222.38

Details

P-228022IN STOCK

Piperazine Impurity 8

CAS #61379-66-6

Mol. formulaC₉H₁₇N₃O

Mol. weight183.25

Details

P-228023IN STOCK

Piperazine Impurity 9 DiHCl

CAS #NA

Mol. formulaC₁₄H₂₇N₃. 2 HCl

Mol. weight237.39 2*36.46

Details

P-228024BACK ORDER

Piperazine Impurity 10

CAS #30651-60-6

Mol. formulaC₄H₁₁N₃

Mol. weight101.15

Details

P-228025BACK ORDER

Piperazine Impurity 8-d8

CAS #NA

Mol. formulaC₉H₉D₈N₃O

Mol. weight191.30

Details

P-228026IN STOCK

Piperazine Impurity 8-15N

CAS #NA

Mol. formulaC₉H₁₇N₂¹⁵NO

Mol. weight184.25

Details

P-228033BACK ORDER

Piperazine Impurity 11

CAS #1254055-54-3

Mol. formulaC₁₅H₂₃N₅O₂

Mol. weight305.38

Details

P-228034BACK ORDER

Piperazine Impurity 12

CAS #1254055-53-2

Mol. formulaC₁₅H₂₅N₅

Mol. weight275.40

Details

P-228035BACK ORDER

Piperazine Impurity 13

CAS #NA

Mol. formulaC₁₅H₂₃N₅O

Mol. weight289.38

Details

P-228047BACK ORDER

Piperazine Impurity 14

CAS #NA

Mol. formulaC₁₁H₁₈N₂O₅

Mol. weight258.27

Details

P-228048BACK ORDER

Piperazine Impurity 15

CAS #NA

Mol. formulaC₁₁H₁₈N₂O₅

Mol. weight258.27

Details

P-228049BACK ORDER

Piperazine Impurity 16

CAS #6483-50-7

Mol. formulaC₈H₁₈N₂

Mol. weight 142.25

Details

P-228050BACK ORDER

Piperazine Impurity 17

CAS #64262-23-3

Mol. formulaC₇H₁₆N₂. 2HBr

Mol. weight128.22 2*80.91

Details

P-228051BACK ORDER

Piperazine Impurity 18

CAS #959417-67-5

Mol. formulaC₁₅H₂₈N₂O₄

Mol. weight300.40

Details

P-228054BACK ORDER

Piperazine Impurity 3-d5 (1-Ethylpiperazine-d5)

CAS #1246817-21-9

Mol. formulaC₆H₉D₅N₂

Mol. weight119.22

Details

P-228086BACK ORDER

Piperazine Impurity 21

CAS #717-28-2

Mol. formulaC₈H₁₂N₂O₅

Mol. weight 216.19

Details

P-228087BACK ORDER

Piperazine Impurity 22

CAS #122-96-3

Mol. formulaC₈H₁₈N₂O₂

Mol. weight174.24

Details

P-228091BACK ORDER

Piperazine Impurity 23

CAS #59573-44-3

Mol. formulaC₆H₁₄N₂

Mol. weight114.19

Details

P-229IN STOCK

Piperaquine Impurity 7

CAS #86-99-7

Mol. formulaC₉H₆ClNO

Mol. weight179.60

Details

P-229005BACK ORDER

Pridinol Impurity 1

CAS #53639-82-0

Mol. formulaC21H27NO3S

Mol. weight373.51

Details

P-229006INQUIRE FURTHER

Pridinol Impurity 2

CAS #NA

Mol. formulaC₃₂H₃₅NO₃

Mol. weight481.64

Details

P-230002IN STOCK

Phenoxdiazinum Impurity 1

CAS #NA

Mol. formulaC₁₈H₁₆N₂O

Mol. weight276.34

Details

P-231002IN STOCK

Phenobarbital EP Impurity A (Phenobarbital USP Related Compound A)

CAS #NA

Mol. formulaC₁₂H₁₄N₄O

Mol. weight230.27

Details

P-231003IN STOCK

Phenobarbital EP Impurity B

CAS #58042-96-9

Mol. formulaC₁₂H₁₃N₃O₂

Mol. weight231.26

Details

P-231008IN STOCK

Phenobarbital Sodium EP Impurity E

CAS #2386917-97-9

Mol. formulaC₁₁H₁₅N₃O

Mol. weight205.26

Details

P-231011BACK ORDER

Phenobarbital Impurity 1

CAS #106671-83-4

Mol. formulaC₁₂H₁₄N₂O₄

Mol. weight250.25

Details

P-231012BACK ORDER

Phenobarbital Impurity 2

CAS #24130-91-4

Mol. formula C₁₁H₁₃NO₃

Mol. weight207.23

Details

P-234003IN STOCK

Pivmecillinam EP Impurity B

CAS #NA

Mol. formulaC₂₁H₃₅N₃O₆S

Mol. weight457.59

Details

P-234004IN STOCK

Pivmecillinam EP Impurity C HCl ((2R,4S)-Isomer)

CAS #NA

Mol. formulaC₂₀H₃₅N₃O₄S. HCl

Mol. weight413.58 36.46

Details

P-234005IN STOCK

Pivmecillinam EP Impurity A HCl

CAS #25031-06-5

Mol. formulaC₁₄H₂₂N₂O₅S. HCl

Mol. weight330.40 36.46

Details

P-234006BACK ORDER

Pivmecillinam Impurity 1 HCl

CAS #NA

Mol. formulaC₁₅H₂₇N₃O₂S. HCl

Mol. weight313.46 36.46

Details

P-234007BACK ORDER

Pivmecillinam Impurity 2

CAS #NA

Mol. formula C₂₁H₃₅N₃O₆S

Mol. weight457.59

Details

P-234008BACK ORDER

Pivmecillinam Impurity 3

CAS #64527-06-6

Mol. formulaC₁₅H₂₅N₃O₄S

Mol. weight343.44

Details

P-234009BACK ORDER

Pivmecillinam Impurity 4

CAS #NA

Mol. formulaC₂₄H₃₇N₅O₈S₂

Mol. weight587.71

Details

P-234010BACK ORDER

Pivmecillinam Impurity 5

CAS #NA

Mol. formulaC₂₄H₃₅N₅O₇S₂

Mol. weight569.69

Details

P-234011BACK ORDER

Pivmecillinam Impurity 6

CAS #64527-04-4

Mol. formulaC₉H₁₂N₂O₄S

Mol. weight244.27

Details

P-234012BACK ORDER

Pivmecillinam Impurity 7

CAS #72312-36-8

Mol. formulaC₁₄H₂₅N₃O₂S

Mol. weight299.43

Details

P-234013BACK ORDER

Pivmecillinam Impurity 8

CAS #NA

Mol. formulaC₂₂H₃₇N₃O₆S

Mol. weight471.61

Details

P-234016IN STOCK

Pivmecillinam EP Impurity D

CAS #NA

Mol. formulaC₂₁H₃₅N₃O₆S

Mol. weight457.59

Details

P-234018BACK ORDER

Pivmecillinam Impurity 9

CAS #NA

Mol. formulaC₁₅H₂₄N₂O₇S

Mol. weight376.42

Details

P-234020BACK ORDER

Pivmecillinam Impurity 10 (Mixture of Diastereomers)

CAS #NA

Mol. formulaC₁₄H₂₄N₂O₅S

Mol. weight332.42

Details

P-234022BACK ORDER

(R,S)-Pivmecillinam Impurity 10

CAS #NA

Mol. formulaC1C₁₄H₂₄N₂O₅S4H24N2O5S

Mol. weight332.42

Details

P-234023BACK ORDER

(S,S)-Pivmecillinam Impurity 10

CAS #NA

Mol. formulaC₁₄H₂₄N₂O₅S

Mol. weight332.42

Details

P-235002BACK ORDER

Pirenoxine Impurity 1

CAS #41827-15-0

Mol. formulaC₁₂H₁₈O₃

Mol. weight210.28

Details

P-242002BACK ORDER

Pipemidic Acid EP Impurity A

CAS #NA

Mol. formulaC10H9N3O

Mol. weight235.20

Details

P-242003BACK ORDER

Pipemidic Acid EP Impurity B

CAS #NA

Mol. formulaC11H11N3O4

Mol. weight249.23

Details

P-242004BACK ORDER

Pipemidic Acid EP Impurity C

CAS #NA

Mol. formulaC12H13N3O4

Mol. weight263.26

Details

P-242005BACK ORDER

Pipemidic Acid EP Impurity D

CAS #NA

Mol. formulaC12H12ClN3O3

Mol. weight281.70

Details

P-242006BACK ORDER

Pipemidic Acid EP Impurity E

CAS #NA

Mol. formulaC16H21N5O3

Mol. weight331.38

Details

P-242007BACK ORDER

Pipemidic Acid EP Impurity F

CAS #NA

Mol. formulaC16H19N5O4

Mol. weight345.36

Details

P-242009BACK ORDER

N-Nitroso Pipemidic Acid EP Impurity E

CAS #NA

Mol. formulaC₁₆H₂₀N₆O₄

Mol. weight360.37

Details

P-243003IN STOCK

Polidocanol Impurity 1

CAS #NA

Mol. formulaC₃₆H₇₂O₁₄

Mol. weight728.96

Details

P-243004IN STOCK

Polidocanol Impurity 2

CAS #NA

Mol. formulaC₃₁H₆₂O₁₂

Mol. weight626.83

Details

P-243005IN STOCK

Polidocanol Impurity 3 (Polidocanol E4)

CAS #5274-68-0

Mol. formulaC₂₀H₄₂O₅

Mol. weight362.55

Details

P-243006IN STOCK

Polidocanol Impurity 4 (Polidocanol E12)

CAS #3056-00-6

Mol. formulaC₃₆H₇₄O₁₃

Mol. weight714.98

Details

P-243007IN STOCK

Polidocanol Impurity 5 (Polidocanol E14)

CAS #54350-53-7

Mol. formulaC₄₀H₈₂O₁₅

Mol. weight803.08

Details

P-243008IN STOCK

Polidocanol Impurity 6 (Polidocanol E5)

CAS #3055-95-6

Mol. formulaC₂₂H₄₆O₆

Mol. weight406.60

Details

P-243009BACK ORDER

Polidocanol Impurity 7 (Polidocanol E15)

CAS #54350-54-8

Mol. formulaC₄₂H₈₆O₁₆

Mol. weight847.13

Details

P-243010BACK ORDER

Polidocanol Impurity 8

CAS #5168-89-8

Mol. formulaC₂₂H₄₆O₇

Mol. weight422.60

Details

P-243011BACK ORDER

Polidocanol Impurity 9

CAS #5157-04-0

Mol. formulaC₂₆H₅₄O₇

Mol. weight478.71

Details

P-245002BACK ORDER

Pregnenolone Impurity 1

CAS #1162-53-4

Mol. formulaC₂₁H₃₀O₂

Mol. weight314.47

Details

P-245005BACK ORDER

Pregnenolone Impurity 2

CAS #19324-55-1

Mol. formulaC₂₃H₃₀O₄

Mol. weight370.49

Details

P-245008BACK ORDER

Pregnenolone Impurity 3

CAS #17657-62-4

Mol. formulaC₂₄H₃₄O₄

Mol. weight386.53

Details

P-245009BACK ORDER

Pregnenolone Impurity 4

CAS #NA

Mol. formulaC₂₅H₃₈O₃

Mol. weight386.58

Details

P-245010IN STOCK

Pregnenolone-16-ene Acetate

CAS #979-02-2

Mol. formulaC₂₃H₃₂O₃

Mol. weight356.51

Details

P-245011IN STOCK

Pregnenolone-16-ene Acetate Oxime

CAS #2174-13-2

Mol. formulaC₂₃H₃₃NO₃

Mol. weight371.52

Details

P-245012IN STOCK

Pregnenolone-16-ene Acetate 21-Triflate

CAS #2484719-08-4

Mol. formulaC₂₄H₃₁F₃O₆S

Mol. weight504.56

Details

P-245013IN STOCK

Allopregnenolone

CAS #566-61-0

Mol. formulaC₂₁H₃₂O₂

Mol. weight316.49

Details

P-245016BACK ORDER

Pregnenolone Impurity 5

CAS #19324-58-4

Mol. formulaC₂₁H₂₆O₂

Mol. weight 310.44

Details

P-245017BACK ORDER

Pregnenolone Impurity 6

CAS #NA

Mol. formulaC₂₄H₃₄O₂

Mol. weight354.53

Details

P-245018BACK ORDER

Pregnenolone Impurity 7

CAS #NA

Mol. formulaC₂₄H₃₄O₂

Mol. weight354.53

Details

P-245019BACK ORDER

Pregnenolone Impurity 8

CAS #972-43-0

Mol. formula C₂₁H₃₀O₂

Mol. weight314.47

Details

P-245020BACK ORDER

Pregnenolone Impurity 9

CAS #972-44-1

Mol. formulaC₂₁H₃₀O₂

Mol. weight314.47

Details

P-245021BACK ORDER

Pregnenolone Impurity 10

CAS #NA

Mol. formulaC₂₄H₃₂O₂

Mol. weight352.52

Details

P-245022BACK ORDER

Pregnenolone Impurity 11

CAS #NA

Mol. formulaC₂₄H₃₂O₂

Mol. weight352.52

Details

P-245023BACK ORDER

Pregnenolone Impurity 12

CAS #NA

Mol. formula C₂₁H₂₈O₄

Mol. weight344.45

Details

P-245024INQUIRE FURTHER

Pregnenolone Impurity 13

CAS #NA

Mol. formulaC₂₁H₃₀O₄

Mol. weight346.47

Details

P-245025INQUIRE FURTHER

Pregnenolone Impurity 14

CAS #NA

Mol. formulaC₂₁H₂₈O₄

Mol. weight344.45

Details

P-245026BACK ORDER

Pregnenolone Impurity 15

CAS #NA

Mol. formula C₂₉H₃₆O₄

Mol. weight448.60

Details

P-245027INQUIRE FURTHER

Pregnenolone Impurity 16

CAS #NA

Mol. formulaC₂₉H₃₆O₄

Mol. weight448.60

Details

P-246011BACK ORDER

Pipecolic Acid Impurity 1

CAS #42329-17-9

Mol. formulaC₇H₁₁NO₂

Mol. weight141.17

Details

P-246012BACK ORDER

L-Pipecolic Acid

CAS #3105-95-1

Mol. formulaC₆H₁₁NO₂

Mol. weight129.16

Details

P-247001BACK ORDER

Pseudoephedrine Impurity 1

CAS #67844-53-5

Mol. formulaC₁₁H₁₅NO₂

Mol. weight193.25

Details

P-247003

Controlled item — please contact our sales team

Details

P-247005IN STOCK

N-Nitroso Pseudoephedrine (N-Nitroso Ephedrine HCl EP Impurity B)

CAS #1850-88-0

Mol. formulaC₁₀H₁₄N₂O₂

Mol. weight194.23

Details

P-247007

Details

P-247008IN STOCK

N-Nitroso ent-Pseudoephedrine (N-Nitroso ent-Ephedrine HCl EP Impurity B)

CAS #58800-96-7

Mol. formulaC₁₀H₁₄N₂O₂

Mol. weight194.23

Details

P-247009IN STOCK

N-Nitroso rac-Pseudoephedrine (N-Nitroso rac-Ephedrine HCl EP Impurity B)

CAS #84472-35-5

Mol. formulaC₁₀H₁₄N₂O₂

Mol. weight194.23

Details

P-247010BACK ORDER

Pseudoephedrine Impurity 2

CAS #NA

Mol. formulaC₁₆H₂₅NO₆

Mol. weight327.38

Details

P-247011BACK ORDER

N-Acetyl-(+)-Pseudoephedrine

CAS #84472-25-3

Mol. formulaC₁₂H₁₇NO₂

Mol. weight207.27

Details

P-247012BACK ORDER

N Formyl Pseudoephedrine

CAS #67844-52-4

Mol. formulaC₁₁H₁₅NO₂

Mol. weight 193.25

Details

P-247013BACK ORDER

N-Methyl Pseudoephedrine

CAS #51018-28-1

Mol. formulaC₁₁H₁₇NO

Mol. weight179.26

Details

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