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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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Fingolimod, Impurities

Fingolimod Dimer Acid Impurity

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Out of Stock

CAS No.

: 2147726-86-9

Mol F.

: C37H59NO4

Mol W.

: 581.87

Cat No.

: SA34512

Fingolimod, Impurities

Fingolimod Heptyl Analog

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Out of Stock

CAS No.

: 745767-97-9;162361-44-6

Mol F.

: C18H32ClNO2

Mol W.

: 293.44

Cat No.

: SA34508

Fingolimod, Impurities

Fingolimod Hexyl Analog

Please enquire for price & pack size

Out of Stock

CAS No.

: 1201794-93-5

Mol F.

: C17H29NO2

Mol W.

: 279.42

Cat No.

: SA34507

Fingolimod, Impurities

Fingolimod Nitro Analog

Please enquire for price & pack size

Out of Stock

CAS No.

: 374077-88-0

Mol F.

: C19H31NO4

Mol W.

: 337.45

Cat No.

: SA34517

Fingolimod, Impurities

Fingolimod Nonyl Analog

Please enquire for price & pack size

Out of Stock

CAS No.

: 296282-40-1

Mol F.

: C20H36ClNO2

Mol W.

: 357.96

Cat No.

: SA34509

Cinnarizine, Impurities

Flunarizine Dihydrochloride

Please enquire for price & pack size

Out of Stock

CAS No.

: 30484-77-6

Mol F.

: C₂₆H₂₈Cl₂F₂N₂

Mol W.

: 477.42

Cat No.

: SA12408

Flunisolide, Impurities

Flunisolide

Please enquire for price & pack size

Out of Stock

CAS No.

: 3385-03-3

Mol F.

: C24H31FO6

Mol W.

: 434.5

Cat No.

: SA47500

Flunisolide, Impurities

Flunisolide 21-Dehydro Impurity

Please enquire for price & pack size

Out of Stock

CAS No.

: 1188271-69-3

Mol F.

: C24H29FO6

Mol W.

: 432.48

Cat No.

: SA47505

Flunisolide, Impurities

Flunisolide Acetate

Please enquire for price & pack size

Out of Stock

CAS No.

: 4533-89-5

Mol F.

: C26H33FO7

Mol W.

: 476.53

Cat No.

: SA47508

Flunisolide, Impurities

Flunisolide Related Compound C

Please enquire for price & pack size

Out of Stock

CAS No.

: 1432475-16-5

Mol F.

: C24H29FO7

Mol W.

: 448.48

Cat No.

: SA47503

Fluocinonide, Impurities

Fluocinolone Acetonide 9,11-Epoxide; Fluocinolone Acetonide EP Impurity E

Please enquire for price & pack size

Out of Stock

CAS No.

: 68352-03-4

Mol F.

: C24H29FO6

Mol W.

: 432.48

Cat No.

: SA35405

Fluocinonide, Impurities

Fluocinolone Acetonide EP Impurity A

Please enquire for price & pack size

Out of Stock

CAS No.

: 106931-78-6

Mol F.

: C24H28F2O7

Mol W.

: 466.47

Cat No.

: SA35401

Fluocinonide, Impurities

Fluocinolone Acetonide EP Impurity B

Please enquire for price & pack size

Out of Stock

CAS No.

: 65751-34-0

Mol F.

: C23H28F2O6

Mol W.

: 438.46

Cat No.

: SA35402

Fluocinonide, Impurities

Fluocinolone Acetonide EP Impurity C; Fluocinolone

$295.00 25 mg

Out of Stock

CAS No.

: 807-38-5

Mol F.

: C21H26F2O6

Mol W.

: 412.42

Cat No.

: SA35403

Fluocinonide, Impurities

Fluocinolone Acetonide EP Impurity D

Please enquire for price & pack size

Out of Stock

CAS No.

: 13242-30-3

Mol F.

: C24H28F2O6

Mol W.

: 450.47

Cat No.

: SA35404

Fluocinonide, Impurities

Fluocinolone Acetonide EP Impurity F

Please enquire for price & pack size

Out of Stock

CAS No.

: 1526-01-8

Mol F.

: C24H33FO5

Mol W.

: 420.51

Cat No.

: SA35406

Fluocinonide, Impurities

Fluocinolone Acetonide EP Impurity G

Please enquire for price & pack size

Out of Stock

CAS No.

: NA

Mol F.

: C26H35FO7

Mol W.

: 478.55

Cat No.

: SA35407

Fluocinonide, Impurities

Fluocinolone Acetonide EP Impurity L

Please enquire for price & pack size

Out of Stock

CAS No.

: 1893-65-8

Mol F.

: C24H30ClFO6

Mol W.

: 468.94

Cat No.

: SA35412

Fluocinonide, Impurities

Fluocinolone Acetonide Impurity J

Please enquire for price & pack size

Out of Stock

CAS No.

: 1361531-95-4

Mol F.

: C24H30F2O6

Mol W.

: 452.49

Cat No.

: SA35410

Fluocinonide, Impurities

Fluocinolone Acetonide Impurity K

Please enquire for price & pack size

Out of Stock

CAS No.

: NA

Mol F.

: C24H30F2O6

Mol W.

: 452.49

Cat No.

: SA35411

Fluocinonide, Impurities

Fluocinonide

Please enquire for price & pack size

Out of Stock

CAS No.

: 356-12-7

Mol F.

: C26H32F2O7

Mol W.

: 494.52

Cat No.

: SA35400

Dapagliflozin, Impurities

fluoro-Dapagliflozin

Please enquire for price & pack size

Out of Stock

CAS No.

: 1181681-43-5

Mol F.

: C₂₁H₂₄ClFO₅

Mol W.

: 410.86

Cat No.

: SA15021

Fluorometholone, Impurities

Fluorometholone

Please enquire for price & pack size

Out of Stock

CAS No.

: 426-13-1

Mol F.

: C22H29FO4

Mol W.

: 376.2

Cat No.

: SA38400

Fluorometholone, Impurities

Fluorometholone 6β-Methyl

Please enquire for price & pack size

Out of Stock

CAS No.

: 3918-13-6

Mol F.

: C22H29FO4

Mol W.

: 376.46

Cat No.

: SA38405

Fluorometholone, Impurities

Fluorometholone Acetate

Please enquire for price & pack size

Out of Stock

CAS No.

: 3801-06-7

Mol F.

: C24H31FO5

Mol W.

: 418.5

Cat No.

: SA38401

Fluphenazine, Impurities

Fluphenazine EP Impurity A

Please enquire for price & pack size

Out of Stock

CAS No.

: 1674-76-6

Mol F.

: C22H26F3N3O2S

Mol W.

: 453.52

Cat No.

: SA39301

Fluphenazine, Impurities

Fluphenazine EP Impurity B

Please enquire for price & pack size

Out of Stock

CAS No.

: 1476-79-5

Mol F.

: C22H26F3N3O3S

Mol W.

: 469.52

Cat No.

: SA39302

Fluphenazine, Impurities

Fluphenazine EP Impurity C

Please enquire for price & pack size

Out of Stock

CAS No.

: 2518011-27-1

Mol F.

: C35H32F6N4OS2

Mol W.

: 702.78

Cat No.

: SA39303

Fluphenazine, Impurities

Fluphenazine EP Impurity D

Please enquire for price & pack size

Out of Stock

CAS No.

: 2376-89-8

Mol F.

: C36H34F6N4S2

Mol W.

: 700.8

Cat No.

: SA39304

Fluphenazine, Impurities

Fluphenazine EP Impurity E

Please enquire for price & pack size

Out of Stock

CAS No.

: 58-39-9

Mol F.

: C21H26ClN3OS

Mol W.

: 403.97

Cat No.

: SA39305

Fluphenazine, Impurities

Fluphenazine EP Impurity F

Please enquire for price & pack size

Out of Stock

CAS No.

: 2725395-34-4

Mol F.

: CƒH„„FƒN…OƒS

Mol W.

: 623.77

Cat No.

: SA39306

Fluphenazine, Impurities

Fluphenazine phosphate impurity

Please enquire for price & pack size

Out of Stock

CAS No.

: NA

Mol F.

: C22H27F3N3O4PS

Mol W.

: 517.5

Cat No.

: SA39308

Flurbiprofen, Impurities

Flurbiprofen

Please enquire for price & pack size

Out of Stock

CAS No.

: 5104-49-4

Mol F.

: C15H13FO2

Mol W.

: 244.26

Cat No.

: SA14606

Flurbiprofen, Impurities

Flurbiprofen Axetil

Please enquire for price & pack size

Out of Stock

CAS No.

: 91503-79-6

Mol F.

: C19H19FO4

Mol W.

: 330.35

Cat No.

: SA14607

Flurbiprofen, Impurities

Flurbiprofen EP Impurity A

Please enquire for price & pack size

Out of Stock

CAS No.

: 6341-72-6

Mol F.

: C15H14O2

Mol W.

: 226.27

Cat No.

: SA14603

Fluticasone Propionate, Impurities

Fluticasone 17-Chlorocarbonyl Impurity

Please enquire for price & pack size

Out of Stock

CAS No.

: NA

Mol F.

: C21H25ClF2O4

Mol W.

: 414.87

Cat No.

: SA47024

Fluticasone Propionate, Impurities

Fluticasone 17-Chlorocarbonyl Impurity

$300.00 25 mg

Out of Stock

CAS No.

Mol F.

: C21H25ClF2O4

Mol W.

: 414.87

Cat No.

: SA47018

Fluticasone Propionate, Impurities

Fluticasone 21-Isobutyrate Impurity

$300.00 25 mg

Out of Stock

CAS No.

: 1648562-63-3

Mol F.

: C26H33F3O5S

Mol W.

: 514.6

Cat No.

: SA47023

Fluticasone Propionate, Impurities

Fluticasone Acetate Chloromethyl Impurity; S-Chlorofluticasone Acetate

$300.00 25 mg

Out of Stock

CAS No.

: 80474-07-3

Mol F.

: C24H29ClF2O5S

Mol W.

: 503

Cat No.

: SA47025

Fluticasone Propionate, Impurities

Fluticasone Acetate Iodomethyl Impurity

$300.00 25 mg

Out of Stock

CAS No.

: 80474-71-1

Mol F.

: C24H29F2IO5S

Mol W.

: 594.45

Cat No.

: SA47019

Fluticasone Propionate, Impurities

Fluticasone Carbothioic Acid 17-Isobutyrate Impurity

$300.00 25 mg

Out of Stock

CAS No.

: 884332-14-3

Mol F.

: C26H26F2O6S

Mol W.

: 482.58

Cat No.

: SA47022

Fluticasone Propionate, Impurities

Fluticasone Dimer Impurity; Fluticasone EP Impurity G

Please enquire for price & pack size

Out of Stock

CAS No.

: 220589-37-7

Mol F.

: C43H51F5O8S

Mol W.

: 822.92

Cat No.

: SA47009

Fluticasone Propionate, Impurities

Fluticasone EP Impurity C; Fluticasone Acetate

$300.00 25 mg

Out of Stock

CAS No.

: 80474-24-4

Mol F.

: C24H29F3O5S

Mol W.

: 486.54

Cat No.

: SA47003

Fluticasone Propionate, Impurities

Fluticasone Furoate

Please enquire for price & pack size

Out of Stock

CAS No.

: 397864-44-7

Mol F.

: C27H29F3O6S

Mol W.

: 538.58000000000004

Cat No.

: SA47008

Fluticasone Furoate, Impurities

Fluticasone Furoate EP Impurity I

Please enquire for price & pack size

Out of Stock

CAS No.

: NA

Mol F.

: C27H29F3O6S

Mol W.

: 538.6

Cat No.

: SA48207

Fluticasone Propionate, Impurities

Fluticasone Furoate Impurity A

Please enquire for price & pack size

Out of Stock

CAS No.

: 397864-63-0

Mol F.

: C26H28F2O7

Mol W.

: 490.49

Cat No.

: SA47001

Fluticasone Furoate, Impurities

Fluticasone Furorate EP Impurity B

Please enquire for price & pack size

Out of Stock

CAS No.

: NA

Mol F.

: C24H29F3O5S

Mol W.

: 486.54

Cat No.

: SA47902

Fluticasone Propionate, Impurities

Fluticasone Impurity 1; Fluticasone Propionate Methyl Ester Impurity

$300.00 25 mg

Out of Stock

CAS No.

: 59860-80-9

Mol F.

: C25H32F2O6

Mol W.

: 466.51

Cat No.

: SA47015

Fluticasone Propionate, Impurities

Fluticasone Propionate

$100.00 25 mg

Out of Stock

CAS No.

: 80474-14-2

Mol F.

: C24H30F2O6

Mol W.

: 500.57

Cat No.

: SA47000

Fluticasone Propionate, Impurities

Fluticasone Thioacid Impurity

$300.00 25 mg

Out of Stock

CAS No.

: 80473-92-3

Mol F.

: C21H26F2O4S

Mol W.

: 412.49

Cat No.

: SA47016