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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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Imatinib, Impurities

Imatinib EP Impurity F

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Out of Stock

CAS No.

: 152460-10-1

Mol F.

: C₁₆H₁₅N₅

Mol W.

: 277.32

Cat No.

: SA22205

Imatinib, Impurities

Imatinib EP Impurity G

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Out of Stock

CAS No.

: 109-01-3(base);34352-59-5(HClsalt)

Mol F.

: C5H14Cl2N2

Mol W.

: 173.08

Cat No.

: SA22206

Imatinib, Impurities

Imatinib EP Impurity H

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Out of Stock

CAS No.

: 350-03-8

Mol F.

: C₇H₇NO

Mol W.

: 121.14

Cat No.

: SA22207

Imatinib, Impurities

Imatinib EP Impurity I

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Out of Stock

CAS No.

: 506-59-2

Mol F.

: C₂H₈ClN

Mol W.

: 81.540000000000006

Cat No.

: SA22208

Imatinib, Impurities

Imatinib EP Impurity J

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Out of Stock

CAS No.

: 571186-91-9

Mol F.

: C₂₉H₃₁N₇O₂

Mol W.

: 509.6

Cat No.

: SA22209

Imatinib, Impurities

Imatinib Imidazole Impurity

Please enquire for price & pack size

Out of Stock

CAS No.

: 1256080-10-0

Mol F.

: C32H31N9O2

Mol W.

: 573.65

Cat No.

: SA22210

Imatinib, Impurities

Imatinib N-Acetyl Impurity

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Out of Stock

CAS No.

: 1321600-78-5

Mol F.

: C31H33N7O2

Mol W.

: 535.64

Cat No.

: SA22211

Impurities, Olmesartan Medoxomil

Imidazole-4,5-dicarbonitriles

Please enquire for price & pack size

Out of Stock

CAS No.

: 51802-42-7

Mol F.

: C8H8N4

Mol W.

: 160.18

Cat No.

: SA17740

Clomipramine, Impurities

Iminodibenzyl

$85.00 25 mg

Out of Stock

CAS No.

: 494-19-9

Mol F.

: C14H13N

Mol W.

: 195.26

Cat No.

: SA33704

Carbamazepine, Impurities

Iminodibenzyl 5-Carbonyl Chloride

$95.00 25 mg

Out of Stock

CAS No.

: 33948-19-5

Mol F.

: C15H12ClNO

Mol W.

: 257.71

Cat No.

: SA20302

Carbamazepine, Impurities

Iminostilbene 10,11-Epoxide-N-carbonyl Chloride

$395.00 25 mg

Out of Stock

CAS No.

: 41359-09-5

Mol F.

: C15H10ClNO2

Mol W.

: 271.7

Cat No.

: SA20343

Carbamazepine, Impurities

Iminostilbene-10,11-dihydrodiol

Please enquire for price & pack size

Out of Stock

CAS No.

: 56211-73-5

Mol F.

: C14H13NO2

Mol W.

: 227.26

Cat No.

: SA20341

Impurities, Oxcarbazepine

Iminostilbene-10,11-dihydrodiol

Please enquire for price & pack size

Out of Stock

CAS No.

: 56211-73-5

Mol F.

: C₁₄H₁₃NO₂

Mol W.

: 227.26

Cat No.

: SA12517

Impurities, Indacaterol

Indacaterol

Please enquire for price & pack size

Out of Stock

CAS No.

: 312753-06-3; 1000160-96-2 (acetate salt) ; 753498-25-8 (Maleate salt)

Mol F.

: C24H28N2O3

Mol W.

: 392.5

Cat No.

: SA48700

Impurities, Indacaterol

Indacaterol 1-Hydroxyethyl

Please enquire for price & pack size

Out of Stock

CAS No.

: 1446354-19-3

Mol F.

: C24H28N2O4

Mol W.

: 408.49

Cat No.

: SA48703

Impurities, Indacaterol

Indacaterol Impurity A

$300.00 25 mg

Out of Stock

CAS No.

: 773895-24-2

Mol F.

: C31H34N2O3

Mol W.

: 482.61

Cat No.

: SA48701

Impurities, Indacaterol

Indacaterol Impurity B

$300.00 25 mg

Out of Stock

CAS No.

: 1207760-24-4

Mol F.

: C49H49N3O6

Mol W.

: 775.95

Cat No.

: SA48702

Impurities, Indacaterol

Indacaterol Nitroso Impurity

$250.00 25 mg

Out of Stock

CAS No.

Mol F.

: C24H27N3O4

Mol W.

: 421.5

Cat No.

: SA48710

Impurities, Iohexol

Iohexol

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Out of Stock

CAS No.

: 66108-95-0

Mol F.

: C19H26I3N3O9

Mol W.

: 821.14

Cat No.

: SA31500

Impurities, Iohexol

Iohexol EP Impurity A

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Out of Stock

CAS No.

: 31127-80-7

Mol F.

: C16H20I3N3O7

Mol W.

: 747.06

Cat No.

: SA31501

Impurities, Iohexol

Iohexol EP Impurity B

Please enquire for price & pack size

Out of Stock

CAS No.

: 2732209-64-0

Mol F.

: C22H32I3N3O11

Mol W.

: 895.22

Cat No.

: SA31502

Impurities, Iohexol

Iohexol EP Impurity C

Please enquire for price & pack size

Out of Stock

CAS No.

: 2724765-15-3

Mol F.

: C22H32I3N3O11

Mol W.

: 895.22

Cat No.

: SA31503

Impurities, Iohexol

Iohexol EP Impurity D

Please enquire for price & pack size

Out of Stock

CAS No.

: 2731968-49-1

Mol F.

: C22H32I3N3O11

Mol W.

: 895.22

Cat No.

: SA31504

Impurities, Iohexol

Iohexol EP Impurity E

Please enquire for price & pack size

Out of Stock

CAS No.

: 2727061-52-9

Mol F.

: C22H32I3N3O11

Mol W.

: 895.22

Cat No.

: SA31505

Impurities, Iohexol

Iohexol EP Impurity F

Please enquire for price & pack size

Out of Stock

CAS No.

: 1215856-35-1

Mol F.

: C14H19I2N3O6

Mol W.

: 579.12

Cat No.

: SA31506

Impurities, Iohexol

Iohexol EP Impurity G

Please enquire for price & pack size

Out of Stock

CAS No.

: NA

Mol F.

: C16H21I2N3O7

Mol W.

: 621.16

Cat No.

: SA31507

Impurities, Iohexol

Iohexol EP Impurity H

Please enquire for price & pack size

Out of Stock

CAS No.

: 1651211-78-7

Mol F.

: C19H27I2N3O9

Mol W.

: 695.24

Cat No.

: SA31508

Impurities, Iohexol

Iohexol EP Impurity I

Please enquire for price & pack size

Out of Stock

CAS No.

: 196309-19-0

Mol F.

: C17H23I2N3O8

Mol W.

: 651.19

Cat No.

: SA31509

Impurities, Iohexol

Iohexol EP Impurity J

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Out of Stock

CAS No.

: 76801-93-9

Mol F.

: C14H18I3N3O6

Mol W.

: 705.02

Cat No.

: SA31510

Impurities, Iohexol

Iohexol EP Impurity K

Please enquire for price & pack size

Out of Stock

CAS No.

: 35453-19-1

Mol F.

: C8H4I3NO4

Mol W.

: 558.84

Cat No.

: SA31511

Impurities, Iohexol

Iohexol EP Impurity L

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Out of Stock

CAS No.

: 37441-29-5

Mol F.

: C8H2Cl2I3NO2

Mol W.

: 595.73

Cat No.

: SA31512

Impurities, Iohexol

Iohexol EP Impurity M

Please enquire for price & pack size

Out of Stock

CAS No.

: NA

Mol F.

: C17H25I2N3O8

Mol W.

: 653.2

Cat No.

: SA31513

Impurities, Iohexol

Iohexol EP Impurity N

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Out of Stock

CAS No.

: 2730989-02-1

Mol F.

: C21H28I3N3O10

Mol W.

: 863.17

Cat No.

: SA31514

Impurities, Iohexol

Iohexol EP Impurity O

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Out of Stock

CAS No.

: 2725999-26-6

Mol F.

: C21H28I3N3O10

Mol W.

: 863.17

Cat No.

: SA31515

Impurities, Iohexol

Iohexol EP Impurity P

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Out of Stock

CAS No.

: NA

Mol F.

: C21H28I3N3O10

Mol W.

: 863.17

Cat No.

: SA31516

Impurities, Iohexol

Iohexol EP Impurity Q

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Out of Stock

CAS No.

: NA

Mol F.

: C21H28I3N3O10

Mol W.

: 863.17

Cat No.

: SA31517

Impurities, Iohexol

Iohexol USP Related Compound C

Please enquire for price & pack size

Out of Stock

CAS No.

: 76820-34-3

Mol F.

: C14H16I3N3O8

Mol W.

: 735.01

Cat No.

: SA31518

Impurities, Ipratropium Bromide

Ipratropium Bromide

$100.00 25 mg

Out of Stock

CAS No.

: 60205-81-4 (Anhydrous); 66985-17-9

Mol F.

: C20H30BrNO3

Mol W.

: 412.36

Cat No.

: SA36000

Impurities, Irbesartan

Irbesartan

Please enquire for price & pack size

Out of Stock

CAS No.

: 138402-11-6

Mol F.

: C25H28N6O

Mol W.

: 428.53

Cat No.

: SA23304

Impurities, Irbesartan

Irbesartan Bromo N2-Trityl Impurity

Please enquire for price & pack size

Out of Stock

CAS No.

: 133051-88-4

Mol F.

: C33H25BrN4

Mol W.

: 557.48

Cat No.

: SA23302

Impurities, Irbesartan

Irbesartan Bromo Nitrile Impurity

Please enquire for price & pack size

Out of Stock

CAS No.

: 114772-54-2

Mol F.

: C14H10BrN

Mol W.

: 272.14

Cat No.

: SA23303

Impurities, Irbesartan

Irbesartan Cyano Dimer Impurity

Please enquire for price & pack size

Out of Stock

CAS No.

: NA

Mol F.

: C39H36N4O

Mol W.

: 576.73

Cat No.

: SA23316

Impurities, Irbesartan

Irbesartan Dibromomethyl Impurity

Please enquire for price & pack size

Out of Stock

CAS No.

: 209911-63-7

Mol F.

: C14H9Br2N

Mol W.

: 351.04

Cat No.

: SA23305

Impurities, Irbesartan

Irbesartan Dimer Impurity

Please enquire for price & pack size

Out of Stock

CAS No.

: 1346598-52-4

Mol F.

: C39H38N10O

Mol W.

: 662.79

Cat No.

: SA23312

Impurities, Irbesartan

Irbesartan EP Impurity A

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Out of Stock

CAS No.

: 748812-53-5

Mol F.

: C25H30N6O2

Mol W.

: 446.54

Cat No.

: SA23306

Impurities, Irbesartan

Irbesartan Methyl Impurity

Please enquire for price & pack size

Out of Stock

CAS No.

: 120568-11-8

Mol F.

: C14H12N4

Mol W.

: 236.27

Cat No.

: SA23309

Impurities, Irbesartan

Irbesartan N2-Trityl Impurity

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Out of Stock

CAS No.

: 886999-35-5

Mol F.

: C44H42N6O

Mol W.

: 670.84

Cat No.

: SA23310

Impurities, Irbesartan

Irbesartan Propyl Analog

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Out of Stock

CAS No.

: 158778-58-6

Mol F.

: C24H26N6O

Mol W.

: 414.5

Cat No.

: SA23311

Impurities, Isavuconazole

Isavuconazole hydroxy methyl impurity

$1,200.00 25 mg

Out of Stock

CAS No.

: 2761502-58-1

Mol F.

: C32H30F2N7O4S

Mol W.

: 682.14/646.20 (Free base)

Cat No.

: SA44104

Impurities, Isavuconazole

Isavuconazole Methyl ester Impurity

$1,050.00 25 mg

Out of Stock

CAS No.

Mol F.

: C41H46ClF2N7O9S

Mol W.

: 886.36

Cat No.

: SA44115