Home / Products / Impurities

Impurities

SynThink is a trusted producer and supplier of Pharmaceutical Reference Standards, including Impurity Standards. These materials are essential for pharmaceutical companies conducting research into the quality, stability, and biological safety of drug products. We maintain a robust inventory of API impurities, ready to support your development and regulatory needs.

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Impurities, Permethrin

Permethrin Ethyl Cyclopropanoate Impurity

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 1220340-58-8

Mol F.

: C11H16Cl2O2

Mol W.

: 251.1

Cat No.

: SA51919

Impurities, Permethrin

Permethrin Ethyl Cyclopropanoate Impurity

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 59609-49-3

Mol F.

: C10H14Cl2O2

Mol W.

: 237.1

Cat No.

: SA51917

Impurities, Permethrin

Permethrin Methyl 4-Phenoxybenzene Impurity

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 1706-12-3

Mol F.

: C13H12O

Mol W.

: 184.2

Cat No.

: SA51923

Impurities, Permethrin

Permethrin Trichloroethyl Carboxylic Acid Impurity

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 61976-24-7

Mol F.

: C8H11Cl3O2

Mol W.

: 245.5

Cat No.

: SA51922

Impurities, Permethrin

Permethrin Trichloroethyl Ethyl Ester Impurity

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 60066-84-4

Mol F.

: C10H15Cl3O2

Mol W.

: 273.6

Cat No.

: SA51925

Impurities, Permethrin

Permethrin Trichloroethyl Impurity

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 65462-81-9

Mol F.

: C21H21Cl3O3

Mol W.

: 427.7

Cat No.

: SA51918

Impurities, Permethrin

Permethrin Trichloroethyl Isopropyl Ester Impurity

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: NA

Mol F.

: C11H17Cl3O2

Mol W.

: 287.6

Cat No.

: SA51931

Impurities, Permethrin

Permethrin Trichloroethyl Methyl Ester Impurity

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 63406-18-8

Mol F.

: C9H13Cl3O2

Mol W.

: 259.6

Cat No.

: SA51924

Impurities, Pioglitazone

Pioglitazone | CAS : 111025-46-8

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 111025-46-8

Mol F.

: C19H20N2O3S

Mol W.

: 356.4

Cat No.

: SA52800

Impurities, Pioglitazone

Pioglitazone 1-Hydroxyethyl Impurity | CAS : 146062-44-4

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 146062-44-4

Mol F.

: C19H20N2O4S

Mol W.

: 372.4

Cat No.

: SA52819

Pioglitazone

Pioglitazone 4-Hydroxybenzyl Impurity | 74772-78-4

$195.00 100 mg

PLEASE ENQUIRE

CAS No.

: 74772-78-4

Mol F.

: C10H9NO3S

Mol W.

: 223.2

Cat No.

: SA52822

Impurities, Pioglitazone

Pioglitazone 4-Hydroxybenzylidene Impurity

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 103788-60-9

Mol F.

: C10H7NO3S

Mol W.

: 221.2

Cat No.

: SA52802

Impurities, Pioglitazone

Pioglitazone Amide Impurity | CAS : 1333112-55-2

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 1333112-55-2

Mol F.

: C18H22N2O2

Mol W.

: 298.4

Cat No.

: SA52826

Impurities, Pioglitazone

Pioglitazone Aminophenoxy Impurity | CAS : 85583-40-0

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 85583-40-0

Mol F.

: C15H18N2O

Mol W.

: 242.3

Cat No.

: SA52824

Impurities, Pioglitazone

Pioglitazone Benzaldehyde Intermediate Impurity

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 114393-97-4

Mol F.

: C16H17NO2

Mol W.

: 255.3

Cat No.

: SA52804

Impurities, Pioglitazone

Pioglitazone Benzylalcohol Impurity | CAS : 144842-17-1

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 144842-17-1

Mol F.

: C16H19NO2

Mol W.

: 257.3

Cat No.

: SA52827

Impurities, Pioglitazone

Pioglitazone Carboxylmethyl Derivative | CAS : 146062-48-8

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 146062-48-8

Mol F.

: C19H18N2O5S

Mol W.

: 386.4

Cat No.

: SA52821

Impurities, Pioglitazone

Pioglitazone Disulfide Dimer Impurity | CAS : 1229114-67-3

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 1229114-67-3

Mol F.

: C36H40N2O6S2

Mol W.

: 660.8

Cat No.

: SA52815

Pioglitazone

Pioglitazone EP impurity A | CAS : 625853-74-9

$1,595.00 100 mg

PLEASE ENQUIRE

CAS No.

: 625853-74-9

Mol F.

: C19H20N2O4S

Mol W.

: 372.4

Cat No.

: SA52807

Pioglitazone

Pioglitazone EP impurity B | CAS : 136401-69-9

$555.00 1 g

PLEASE ENQUIRE

CAS No.

: 136401-69-9

Mol F.

: C19H18N2O3S

Mol W.

: 354.4

Cat No.

: SA52808

Pioglitazone

Pioglitazone EP impurity C | CAS : 952188-00-0

$995.00 100 mg

PLEASE ENQUIRE

CAS No.

: 952188-00-0

Mol F.

: C28H31N3O3S

Mol W.

: 489.6

Cat No.

: SA52809

Pioglitazone

Pioglitazone EP impurity D | CAS : 868754-41-0

$995.00 100 mg

PLEASE ENQUIRE

CAS No.

: 868754-41-0

Mol F.

: C21H26N2O4S

Mol W.

: 402.5

Cat No.

: SA52810

Pioglitazone

Pioglitazone EP impurity E | CAS : 868754-42-1

$995.00 1 g

PLEASE ENQUIRE

CAS No.

: 868754-42-1

Mol F.

: C20H25NO3

Mol W.

: 327.4

Cat No.

: SA52811

Pioglitazone

Pioglitazone EP Impurity F | CAS : 1391052-15-5

$1,555.00 100 mg

PLEASE ENQUIRE

CAS No.

: 1391052-15-5

Mol F.

: C20H16N2O5S2

Mol W.

: 428.4

Cat No.

: SA52812

Impurities, Pioglitazone

Pioglitazone EP Impurity G | CAS : 952187-99-4

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 952187-99-4

Mol F.

: C34H35N3O4S

Mol W.

: 581.7

Cat No.

: SA52813

Impurities, Pioglitazone

Pioglitazone Hydroxy Benzaldehyde Impurity

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 471295-98-4

Mol F.

: 271.3

Mol W.

: C16H17NO3

Cat No.

: SA52825

Impurities, Pioglitazone

Pioglitazone Hydroxy Impurity | CAS : 101931-00-4

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 101931-00-4

Mol F.

: C19H20N2O4S

Mol W.

: 372.4

Cat No.

: SA52801

Impurities, Pioglitazone

Pioglitazone Imino Derivative | CAS : 105355-26-8

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 105355-26-8

Mol F.

: C19H21N3O2S

Mol W.

: 355.4

Cat No.

: SA52803

Impurities, Pioglitazone

Pioglitazone Keto Impurity | CAS : 146062-45-5

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 146062-45-5

Mol F.

: C19H20N2O4S

Mol W.

: 372.4

Cat No.

: SA52820

Pioglitazone

Pioglitazone N-Oxide | CAS : 145350-09-0

$455.00 100 mg

PLEASE ENQUIRE

CAS No.

: 145350-09-0

Mol F.

: C19H20N2O4S

Mol W.

: 372.4

Cat No.

: SA52818

Impurities, Pioglitazone

Pioglitazone Propanoic Acid Impurity | CAS : 1229114-66-2

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 1229114-66-2

Mol F.

: C18H21NO3S

Mol W.

: 331.4

Cat No.

: SA52806

Impurities, Pioglitazone

Pioglitazone Related Compound B | CAS : 669716-56-7

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 669716-56-7

Mol F.

: C34H35N3O4S

Mol W.

: 581.7

Cat No.

: SA52814

Impurities, Piperidine

Piperidine Hydrochloride

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 6091-44-7

Mol F.

: C5H12ClN

Mol W.

: 121.61

Cat No.

: SA49300

Apixaban, Impurities

Piperidone Apixaban Impurity

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 2098457-92-0

Mol F.

: C26H27N5O4

Mol W.

: 473.52

Cat No.

: SA39952

Bumetanide, Impurities

Piretanide

$350.00 25 mg

PLEASE ENQUIRE

CAS No.

: 55837-27-9

Mol F.

: C17H18N2O5S

Mol W.

: 362.4

Cat No.

: SA24409

Impurities, Pirfenidone

Pirfenidone

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 53179-13-8

Mol F.

: C12H11NO

Mol W.

: 185.22

Cat No.

: SA37200

Impurities, Pirfenidone

Pirfenidone 5-Carboxylic Acid Impurity

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 77837-08-2;1189982-99-7(NaSalt)

Mol F.

: C12H9NO3

Mol W.

: 215.2

Cat No.

: SA37705

Impurities, Pirfenidone

Pirfenidone 5-Carboxylic Acid Impurity

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 77837-08-2; 1189982-99-7 (Na Salt)

Mol F.

: C12H9NO3

Mol W.

: 215.2

Cat No.

: SA37205

Impurities, Pirfenidone

Pirfenidone 5-Hydroxymethyl Impurity

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 887406-49-7

Mol F.

: C12H11NO2

Mol W.

: 201.22

Cat No.

: SA37706

Impurities, Pirfenidone

Pirfenidone 5-Hydroxymethyl Impurity

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 887406-49-7

Mol F.

: C12H11NO2

Mol W.

: 201.22

Cat No.

: SA37206

Impurities, Pirfenidone

Pirfenidone EP Impurity A

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 1603-41-4

Mol F.

: C6H8N2

Mol W.

: 108.14

Cat No.

: SA37201

Impurities, Pirfenidone

Pirfenidone EP Impurity B

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 1003-68-5

Mol F.

: C6H9NO

Mol W.

: 111.14

Cat No.

: SA37202

Impurities, Pirfenidone

Pirfenidone EP Impurity C

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 108-95-2

Mol F.

: C6H6O

Mol W.

: 94.11

Cat No.

: SA37203

Impurities, Pirfenidone

Pirfenidone EP Impurity D

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 108-86-1

Mol F.

: C6H5Br

Mol W.

: 157.01

Cat No.

: SA37204

Pitavastatin

Pitavastatin (3R,5R) Ethyl Ester

$255.00 10 mg

PLEASE ENQUIRE

CAS No.

: 380848-32-8

Mol F.

: C27H28FNO4

Mol W.

: 449.51

Cat No.

: SA29507

Pitavastatin

Pitavastatin (3S,5R) Ethyl Ester

$295.00 25 mg

PLEASE ENQUIRE

CAS No.

Mol F.

: C27H28FNO4

Mol W.

: 449.51

Cat No.

: SA29508

Pitavastatin

Pitavastatin (3S,5S) Ethyl Ester

$455.00 25 mg

PLEASE ENQUIRE

CAS No.

: 380848-30-6

Mol F.

: C27H28FNO4

Mol W.

: 449.51

Cat No.

: SA29509

Impurities, Pitavastatin

Pitavastatin 3-Oxo Ethyl Ester

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 148901-69-3

Mol F.

: C₂₇H₂₆FNO₄

Mol W.

: 447.5

Cat No.

: SA29517

Pitavastatin

Pitavastatin 5-Oxo Ethyl Ester

$795.00 100 mg

PLEASE ENQUIRE

CAS No.

Mol F.

: C27H26FNO4

Mol W.

: 447.5

Cat No.

: SA29520

Impurities, Pitavastatin

Pitavastatin 5-Oxo Ethyl Ester

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 444732-68-7

Mol F.

: C27H26FNO4

Mol W.

: 447.5

Cat No.

: SA29518