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Impurities

SynThink is a producer and supplier of a number of pharmaceutical Reference Standards (Impurity Standards) which are required for pharmaceutical companies to study quality, stability and biological safety of pharmaceutical products. Many API Impurities are available in our stock.

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Hydroxyzine, Impurities

Hydroxyzine Dimer

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Out of Stock

CAS No.

: 346451-15-8;856841-95-7(HClsalt)

Mol F.

: C30H28Cl2N2

Mol W.

: 487.46

Cat No.

: SA33807

Hydroxyzine, Impurities

Hydroxyzine EP Impurity A

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Out of Stock

CAS No.

: 303-26-4

Mol F.

: C17H19ClN2

Mol W.

: 286.8

Cat No.

: SA33801

Hydroxyzine, Impurities

Hydroxyzine EP Impurity B

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Out of Stock

CAS No.

: 13073-96-6

Mol F.

: C21H28N2O2

Mol W.

: 340.46

Cat No.

: SA33802

Hydroxyzine, Impurities

Hydroxyzine Hydroxyethyl Ether

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Out of Stock

CAS No.

: NA

Mol F.

: C23H31ClN2O3

Mol W.

: 418.95

Cat No.

: SA33805

Hydroxyzine, Impurities

Hydroxyzine N Oxide

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Out of Stock

CAS No.

: NA

Mol F.

: C21H27ClN2O3

Mol W.

: 390.9

Cat No.

: SA33803

Hydroxyzine, Impurities

Hydroxyzine O- Acetyl Impurity2-(2-{4-[(4-Chlorophenyl)-phenylmethyl]piperazin-1-yl}ethoxy)ethyl acetate oxalate

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Out of Stock

CAS No.

: NA

Mol F.

: C23H29ClN2O3

Mol W.

: 416.94

Cat No.

: SA33804

Hyoscine Butylbromide, Impurities

Hyoscine Butylbromide

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Out of Stock

CAS No.

: 149-64-4

Mol F.

: C21H30BrNO4

Mol W.

: 440.37

Cat No.

: SA46100

Hyoscine Butylbromide, Impurities

Hyoscine Butylbromide EP Impurity A

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Out of Stock

CAS No.

: 114-49-8 (anhydrate); 6533-68-2 (trihydrate)

Mol F.

: C17H28BrNO7

Mol W.

: 438.31

Cat No.

: SA46101

Hyoscine Butylbromide, Impurities

Hyoscine Butylbromide EP Impurity B

Please enquire for price & pack size

Out of Stock

CAS No.

: 552-63-6

Mol F.

: C9H10O3

Mol W.

: 166.17

Cat No.

: SA46102

Hyoscine Butylbromide, Impurities

Hyoscine Butylbromide EP Impurity G

$245.00 25 mg

Out of Stock

CAS No.

: 92714-23-3 (Bromide)

Mol F.

: C21H28BrNO3

Mol W.

: 422.36

Cat No.

: SA46107

Argatroban, Impurities

Hyrdoxy-Morpholine Argatroban

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Out of Stock

CAS No.

: NA

Mol F.

: C23H36N6O6S

Mol W.

: 524.63

Cat No.

: SA48408

Ibrutinib, Impurities

Ibrutinib Amino piperidine Impurity

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Out of Stock

CAS No.

: 1701403-10-2

Mol F.

: C22H24Cl2N6O

Mol W.

: 459.37

Cat No.

: SA47419

Ibrutinib, Impurities

Ibrutinib Di-piperidine Impurity

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Out of Stock

CAS No.

: 2031255-23-7

Mol F.

: C50H48N12O4

Mol W.

: 881

Cat No.

: SA47408

Ibrutinib, Impurities

Ibrutinib Diamide Impurity

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Out of Stock

CAS No.

: 1917333-91-5

Mol F.

: C28H26N6O3

Mol W.

: 494.6

Cat No.

: SA47402

Ibrutinib, Impurities

Ibrutinib Diamine Impurity

Please enquire for price & pack size

Out of Stock

CAS No.

: 1987905-93-0

Mol F.

: C47H46N12O3

Mol W.

: 827

Cat No.

: SA47407

Ibrutinib, Impurities

Ibrutinib Dimer Impurity

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Out of Stock

CAS No.

: 2417548-76-4

Mol F.

: C50H48N12O4

Mol W.

: 880.99

Cat No.

: SA47415

Ibrutinib, Impurities

Ibrutinib Hydroxy Impurity

Please enquire for price & pack size

Out of Stock

CAS No.

: 2031255-24-8

Mol F.

: C25H23N5O3

Mol W.

: 441.5

Cat No.

: SA47404

Ibrutinib, Impurities

Ibrutinib Impurity D

Please enquire for price & pack size

Out of Stock

CAS No.

: 2052279-48-6

Mol F.

: C28H28N6O4

Mol W.

: 512.57

Cat No.

: SA47416

Ibrutinib, Impurities

Ibrutinib N-oxide | CAS : 2437254-47-0

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Out of Stock

CAS No.

: 2437254-47-0

Mol F.

: C25H24N6O3

Mol W.

: 456.50

Cat No.

: SA47423

Ibuprofen, Impurities

Ibuprofen

Please enquire for price & pack size

Out of Stock

CAS No.

: 15687-27-1

Mol F.

: C₁₃H₁₈O₂

Mol W.

: 206.28

Cat No.

: SA30100

Ibuprofen, Impurities

Ibuprofen (R)-Isomer

Please enquire for price & pack size

Out of Stock

CAS No.

: 51146-57-7

Mol F.

: C₁₃H₁₈O₂

Mol W.

: 206.28

Cat No.

: SA30101

Ibuprofen, Impurities

Ibuprofen (S)-Isomer

Please enquire for price & pack size

Out of Stock

CAS No.

: 51146-56-6

Mol F.

: C₁₃H₁₈O₂

Mol W.

: 206.28

Cat No.

: SA30102

Ibuprofen, Impurities

Ibuprofen EP Impurity A

Please enquire for price & pack size

Out of Stock

CAS No.

: 66622-47-7

Mol F.

: C₁₃H₁₈O₂

Mol W.

: 206.28

Cat No.

: SA30103

Ibuprofen, Impurities

Ibuprofen EP Impurity B

Please enquire for price & pack size

Out of Stock

CAS No.

: 3585-49-7

Mol F.

: C₁₃H₁₈O₂

Mol W.

: 206.28

Cat No.

: SA30104

Ibuprofen, Impurities

Ibuprofen EP Impurity C

Please enquire for price & pack size

Out of Stock

CAS No.

: 59512-17-3

Mol F.

: C₁₃H₁₉NO

Mol W.

: 205.3

Cat No.

: SA30105

Ibuprofen, Impurities

Ibuprofen EP Impurity D

Please enquire for price & pack size

Out of Stock

CAS No.

: 938-94-3

Mol F.

: C₁₀H₁₂O₂

Mol W.

: 164.2

Cat No.

: SA30106

Ibuprofen, Impurities

Ibuprofen EP Impurity E

Please enquire for price & pack size

Out of Stock

CAS No.

: 38861-78-8

Mol F.

: C₁₂H₁₆O

Mol W.

: 176.25

Cat No.

: SA30107

Ibuprofen, Impurities

Ibuprofen EP Impurity F

Please enquire for price & pack size

Out of Stock

CAS No.

: 65322-85-2

Mol F.

: C₁₃H₁₈O₂

Mol W.

: 206.28

Cat No.

: SA30108

Ibuprofen, Impurities

Ibuprofen EP Impurity G

Please enquire for price & pack size

Out of Stock

CAS No.

: 1391054-15-1

Mol F.

: C₂₆H₃₂O₄

Mol W.

: 408.53

Cat No.

: SA30109

Ibuprofen, Impurities

Ibuprofen EP Impurity H

Please enquire for price & pack size

Out of Stock

CAS No.

: 2143535-25-3

Mol F.

: C24H32O

Mol W.

: 336.51

Cat No.

: SA30110

Ibuprofen, Impurities

Ibuprofen EP Impurity I

Please enquire for price & pack size

Out of Stock

CAS No.

: 2143535-26-4

Mol F.

: C24H34

Mol W.

: 322.53

Cat No.

: SA30111

Ibuprofen, Impurities

Ibuprofen EP Impurity J

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Out of Stock

CAS No.

: 65813-55-0

Mol F.

: C₁₃H₁₆O₃

Mol W.

: 220.26

Cat No.

: SA30112

Ibuprofen, Impurities

Ibuprofen EP Impurity K

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Out of Stock

CAS No.

: 43153-07-7

Mol F.

: C10H10O3

Mol W.

: 178.18

Cat No.

: SA30113

Ibuprofen, Impurities

Ibuprofen EP Impurity L

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Out of Stock

CAS No.

: 53949-53-4

Mol F.

: C₁₃H₁₈O₃

Mol W.

: 222.28

Cat No.

: SA30114

Ibuprofen, Impurities

Ibuprofen EP Impurity M

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Out of Stock

CAS No.

: 60057-62-7

Mol F.

: C₁₃H₁₈O₃

Mol W.

: 222.28

Cat No.

: SA30115

Ibuprofen, Impurities

Ibuprofen EP Impurity N

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Out of Stock

CAS No.

: 3585-52-2

Mol F.

: C₁₁H₁₄O₂

Mol W.

: 178.23

Cat No.

: SA30116

Ibuprofen, Impurities

Ibuprofen EP Impurity O

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Out of Stock

CAS No.

: 64451-76-9

Mol F.

: C13H18O2

Mol W.

: 206.28

Cat No.

: SA30117

Ibuprofen, Impurities

Ibuprofen EP Impurity P

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Out of Stock

CAS No.

: 36039-36-8

Mol F.

: C₁₃H₂₀O

Mol W.

: 192.3

Cat No.

: SA30118

Ibuprofen, Impurities

Ibuprofen EP Impurity Q

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Out of Stock

CAS No.

: 36039-35-7

Mol F.

: C₁₄H₁₈O

Mol W.

: 178.27

Cat No.

: SA30119

Ibuprofen, Impurities

Ibuprofen EP Impurity R

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Out of Stock

CAS No.

: 102120-87-6

Mol F.

: C₂₂H₃₀

Mol W.

: 294.47

Cat No.

: SA30120

Imatinib, Impurities

Imatinib

Please enquire for price & pack size

Out of Stock

CAS No.

: 152459-95-5(base);1092942-82-9(salt)

Mol F.

: C₂₉H₃₁N₇O

Mol W.

: 493.6

Cat No.

: SA22200

Imatinib, Impurities

Imatinib (Pyridine)-N-Oxide

Please enquire for price & pack size

Out of Stock

CAS No.

: 571186-92-0

Mol F.

: C₂₉H₃₁N₇O₂

Mol W.

: 509.6

Cat No.

: SA22212

Imatinib, Impurities

Imatinib bis Impurity

Please enquire for price & pack size

Out of Stock

CAS No.

: 1365802-18-1

Mol F.

: C52H48N12O2

Mol W.

: 873.02

Cat No.

: SA22216

Imatinib, Impurities

Imatinib Carboxylic Impurity

Please enquire for price & pack size

Out of Stock

CAS No.

: 106261-49-8

Mol F.

: C₁₃H₂₀Cl₂N₂O₂

Mol W.

: 307.22000000000003

Cat No.

: SA22213

Imatinib, Impurities

Imatinib Diamine N1-Formyl Impurity

Please enquire for price & pack size

Out of Stock

CAS No.

: NA

Mol F.

: C17H15N5O

Mol W.

: 305.33

Cat No.

: SA22214

Imatinib, Impurities

Imatinib dipiperidine Impurity

Please enquire for price & pack size

Out of Stock

CAS No.

: NA

Mol F.

: C41H45N9O2

Mol W.

: 695.86

Cat No.

: SA22215

Imatinib, Impurities

Imatinib EP Impurity A

Please enquire for price & pack size

Out of Stock

CAS No.

: 55314-16-4

Mol F.

: C10H12N2O

Mol W.

: 176.22

Cat No.

: SA22201

Imatinib, Impurities

Imatinib EP Impurity B

Please enquire for price & pack size

Out of Stock

CAS No.

: 581076-65-5

Mol F.

: C₂₁H₃₀Cl₂N₆O

Mol W.

: 453.41

Cat No.

: SA22202

Imatinib, Impurities

Imatinib EP Impurity C

Please enquire for price & pack size

Out of Stock

CAS No.

: 404844-02-6

Mol F.

: C28H29N7O

Mol W.

: 479.58

Cat No.

: SA22203

Imatinib, Impurities

Imatinib EP Impurity D

Please enquire for price & pack size

Out of Stock

CAS No.

: 1821122-73-9

Mol F.

: C53H51ClN12O2

Mol W.

: 923.5

Cat No.

: SA22204