Home / Products

Product Categories

Products / Reference Standards / API Impurities / API Related Compounds / Pharmaceutical Standards

Please click on the respective API letter

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, Vildagliptin

Vildagliptin IP Impurity A; Vildagliptin Impurity E; Vildagliptin Cyclo Imidamide

Please enquire for price & pack size

Out of Stock

CAS No.

: 1789703-37-2

Mol F.

: C17H25N3O2

Mol W.

: 303.4

Cat No.

: SA23914

Impurities, Vildagliptin

Vildagliptin N-Nitroso-L-Proline Methyl Ester

Please enquire for price & pack size

Out of Stock

CAS No.

: 35909-01-4

Mol F.

: C6H10N2O3

Mol W.

: 158.2

Cat No.

: SA23918

Impurities, Vildagliptin

Vildagliptin N-Oxide

Please enquire for price & pack size

Out of Stock

CAS No.

Mol F.

: C17H25N3O3

Mol W.

: 319.4

Cat No.

: SA23913

Impurities, Norgestimate

Z-17-Deacetylnorgestimate

Please enquire for price & pack size

Out of Stock

CAS No.

: 74183-54-3

Mol F.

: C21H29NO2

Mol W.

: 327.5

Cat No.

: SA15903

Impurities, Zidovudine

Zidovudine

Please enquire for price & pack size

Out of Stock

CAS No.

: 30516-87-1

Mol F.

: C10H13N5O4

Mol W.

: 267.24

Cat No.

: SA12603

Impurities, Zidovudine

Zidovudine EP Impurity D

$75.00 25 mg

Out of Stock

CAS No.

: 76-84-6

Mol F.

: C19H16O

Mol W.

: 260.33

Cat No.

: SA12606

Impurities, Zidovudine

Zidovudine EP Impurity J

Please enquire for price & pack size

Out of Stock

CAS No.

: 29706-84-1

Mol F.

: C29H27N5O4

Mol W.

: 509.56

Cat No.

: SA12611

Impurities, Zidovudine

Zidovudine Impurity F

$395.00 25 mg

Out of Stock

CAS No.

: 16053-52-4

Mol F.

: C10H14N2O5

Mol W.

: 242.23

Cat No.

: SA12609

Impurities, Zidovudine

Zidovudine USP RC D

$75.00 25 mg

Out of Stock

CAS No.

: 50-89-5

Mol F.

: C10H14N2O5

Mol W.

: 242.23

Cat No.

: SA12607

Impurities, Ziprasidone

Ziprasidone

Please enquire for price & pack size

Out of Stock

CAS No.

: 146939-27-7(Base);138982-67-9(HClSalt)

Mol F.

: C21H21ClN4OS

Mol W.

: 412.94

Cat No.

: SA32700

Impurities, Ziprasidone

Ziprasidone EP Impurity A

Please enquire for price & pack size

Out of Stock

CAS No.

: 87691-87-0

Mol F.

: C11H13N3S

Mol W.

: 219.31

Cat No.

: SA32701

Impurities, Ziprasidone

Ziprasidone EP Impurity B

Please enquire for price & pack size

Out of Stock

CAS No.

: 1159977-56-6

Mol F.

: C21H19ClN4O2S

Mol W.

: 426.92

Cat No.

: SA32702

Impurities, Ziprasidone

Ziprasidone EP Impurity C

Please enquire for price & pack size

Out of Stock

CAS No.

: 1159977-64-6

Mol F.

: C21H23ClN4O2S

Mol W.

: 430.95

Cat No.

: SA32703

Impurities, Ziprasidone

Ziprasidone EP Impurity D

Please enquire for price & pack size

Out of Stock

CAS No.

Mol F.

: C42H40Cl2N8O3S2

Mol W.

: 839.86

Cat No.

: SA32704

Impurities, Ziprasidone

Ziprasidone EP Impurity E

Please enquire for price & pack size

Out of Stock

CAS No.

: 1159977-04-4

Mol F.

: C28H24ClN5OS2

Mol W.

: 546.11

Cat No.

: SA32705

Impurities, Zolmitriptan

Zolmitriptan USP Related Compound B

Please enquire for price & pack size

Out of Stock

CAS No.

: 139264-69-0

Mol F.

: C15H23N3O

Mol W.

: 261.36

Cat No.

: SA11905

Impurities, Zolmitriptan

Zolmitriptan USP Related Compound D

Please enquire for price & pack size

Out of Stock

CAS No.

: 191864-24-1

Mol F.

: C19H25N3O4

Mol W.

: 359.42

Cat No.

: SA11906

Impurities, Zolpidem

Zolpidem

Please enquire for price & pack size

Out of Stock

CAS No.

: 82626-48-0;(99294-93-6Tartratesalt)

Mol F.

: C19H21N3O

Mol W.

: 307.39

Cat No.

: SA43000

Impurities, Zolpidem

Zolpidem Acid Impurity

Please enquire for price & pack size

Out of Stock

CAS No.

: 189005-44-5

Mol F.

: C17H16N2O2

Mol W.

: 280.32

Cat No.

: SA43004

Impurities, Zolpidem

Zolpidem Aldehyde Impurity

Please enquire for price & pack size

Out of Stock

CAS No.

: 400777-11-9

Mol F.

: C16H14N2O

Mol W.

: 250.3

Cat No.

: SA43005

Impurities, Zolpidem

Zolpidem EP Impurity A

Please enquire for price & pack size

Out of Stock

CAS No.

: 1346600-85-8

Mol F.

: C19H21N3O

Mol W.

: 307.39

Cat No.

: SA43001

Impurities, Zolpidem

Zolpidem Impurity C

Please enquire for price & pack size

Out of Stock

CAS No.

: 4619-20-9

Mol F.

: C11H12O3

Mol W.

: 192.21

Cat No.

: SA43009

Impurities, Zolpidem

Zolpidem Impurity D

Please enquire for price & pack size

Out of Stock

CAS No.

: 836627-56-6

Mol F.

: C₁₃H₁₆BrNO₂

Mol W.

: 298.18

Cat No.

: SA43008

Impurities, Zolpidem

Zolpidem Impurity E

Please enquire for price & pack size

Out of Stock

CAS No.

: 83192-85-2

Mol F.

: C₁₃H₁₅NO₂

Mol W.

: 217.26

Cat No.

: SA43007

Impurities, Zolpidem

Zolpyridine

Please enquire for price & pack size

Out of Stock

CAS No.

: 349122-64-1

Mol F.

: C14H14N2O

Mol W.

: 226.27

Cat No.

: SA43003

Impurities, Zopiclone

Zopiclone (its API)

Please enquire for price & pack size

Out of Stock

CAS No.

: 43200-80-2

Mol F.

: C‡H‡ClN†Oƒ

Mol W.

: 388.81

Cat No.

: SA38700

Impurities, Zopiclone

Zopiclone EP impurity A

Please enquire for price & pack size

Out of Stock

CAS No.

: 43200-96-0

Mol F.

: C‡H‡ClN†O„

Mol W.

: 404.81

Cat No.

: SA38701

Impurities, Zopiclone

Zopiclone EP impurity B

Please enquire for price & pack size

Out of Stock

CAS No.

: 43200-81-3

Mol F.

: C11H7ClN2O4

Mol W.

: 262.65

Cat No.

: SA38702

Impurities, Zopiclone

Zopiclone EP impurity C

Please enquire for price & pack size

Out of Stock

CAS No.

: 148891-53-6

Mol F.

: CH‡ClN„O

Mol W.

: 246.65

Cat No.

: SA38703

Impurities, Levothyroxine

α-Amino-4-hydroxy-3,5-diiodo-benzeneacetic Acid

Please enquire for price & pack size

Out of Stock

CAS No.

: 854646-83-6

Mol F.

: C8H7I2NO3

Mol W.

: 418.96

Cat No.

: SA24726

Flurbiprofen, Impurities

α-Desmethyl 3’,4’-Dimethoxy Flurbiprofen

Please enquire for price & pack size

Out of Stock

CAS No.

: 1346604-78-1

Mol F.

: C16H14FO4

Mol W.

: 290.29

Cat No.

: SA14611

Flurbiprofen, Impurities

α-desmethyl Flurbiprofen

Please enquire for price & pack size

Out of Stock

CAS No.

: 5001-96-7

Mol F.

: C14H11FO2

Mol W.

: 230.23

Cat No.

: SA14618

Impurities, Levothyroxine

α-Hydroxy-4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodo-N-methyl-benzeneacetamide

Please enquire for price & pack size

Out of Stock

CAS No.

: 2088032-68-0

Mol F.

: C15H11I4NO4

Mol W.

: 776.87

Cat No.

: SA24727

Impurities, Tiotropium

α-Hydroxy-α-3-thienyl-2-thiopheneacetic Acid 9-Methyl-3-oxa-9-azatricyclo[3.3.1.02,4]non-7-yl Ester

$595.00 25 mg

Out of Stock

CAS No.

: 783273-13-2

Mol F.

: C18H19NO4S2

Mol W.

: 377.48

Cat No.

: SA11718

Impurities, Tamoxifen

β-Hydroxy Tamoxifen

Please enquire for price & pack size

Out of Stock

CAS No.

: 97151-03-6

Mol F.

: C26H29NO2

Mol W.

: 387.51

Cat No.

: SA35513

Cephalexin, Impurities

Δ-2-7-Aminodesacetoxycephalosporanic Acid

Please enquire for price & pack size

Out of Stock

CAS No.

: 56487-68-4

Mol F.

: C8H10N2O3S

Mol W.

: 214.24

Cat No.

: SA12011

Ethinylestradiol, Impurities

Δ-6(7)-18-Methyl Ethinylestradiol

Please enquire for price & pack size

Out of Stock

CAS No.

: 1175128-91-2

Mol F.

: C21H24O2

Mol W.

: 308.42

Cat No.

: SA13113

Estradiol Valerate, Impurities

δ-6(7)-Dehydroestradiol divalerate

Please enquire for price & pack size

Out of Stock

CAS No.

Mol F.

: C28H38O4

Mol W.

: 438.6

Cat No.

: SA14011

Estrone, Impurities

δ-6(7)-Estrone

Please enquire for price & pack size

Out of Stock

CAS No.

: 2208-12-0

Mol F.

: C18H20O2

Mol W.

: 268.35

Cat No.

: SA16012

Impurities, Nandrolone

δ-6(7)-Nandrolone

Please enquire for price & pack size

Out of Stock

CAS No.

: 14531-84-1

Mol F.

: C18H24O2

Mol W.

: 272.38

Cat No.

: SA16304

Estrone, Impurities

δ-8(9)-Dehydroestrone

Please enquire for price & pack size

Out of Stock

CAS No.

: 474-87-3

Mol F.

: C18H20O2

Mol W.

: 268.3

Cat No.

: SA16003

Estrone, Impurities

δ-8(9)-Dehydroestrone Sodium Sulfate

Please enquire for price & pack size

Out of Stock

CAS No.

: 61612-83-7

Mol F.

: C18H19NaO5S

Mol W.

: 370.4

Cat No.

: SA16001

Estrone, Impurities

δ-9(11)-18-Methyl estrone

Please enquire for price & pack size

Out of Stock

CAS No.

: 19882-81-6

Mol F.

: C19H22O2

Mol W.

: C19H22O2

Cat No.

: SA16008

Estradiol Valerate, Impurities

δ-9(11)-Dehydroestradiol-3,17b-divalerate

Please enquire for price & pack size

Out of Stock

CAS No.

: 1373116-15-4

Mol F.

: C28H38O4

Mol W.

: 438.6

Cat No.

: SA14014

Estrone, Impurities

δ-9(11)-Dehydroestrone

Please enquire for price & pack size

Out of Stock

CAS No.

: 1089-80-1

Mol F.

: C18H20O2

Mol W.

: 268.4

Cat No.

: SA16004

Estrone, Impurities

δ-9(11)-Estrone sulfate piperazine salt

Please enquire for price & pack size

Out of Stock

CAS No.

: 1313382-30-7

Mol F.

: C22H30N2O5S

Mol W.

: C22H30N2O5S

Cat No.

: SA16002

Fluorometholone, Impurities

Δ-9(11)-Fluorometholone

Please enquire for price & pack size

Out of Stock

CAS No.

: 34184-82-2

Mol F.

: C₂₁H₂₈O₃

Mol W.

: 328.44

Cat No.

: SA38408

Fluorometholone, Impurities

Δ-9(11)-Fluorometholone Acetate

Please enquire for price & pack size

Out of Stock

CAS No.

: 130145-14-1

Mol F.

: C₂₄H₃₀O₄

Mol W.

: 382.49

Cat No.

: SA38409

Impurities, Progesterone

Δ8,9-Progeterone

Please enquire for price & pack size

Out of Stock

CAS No.

: 83603-61-6

Mol F.

: C21H28O2

Mol W.

: 312.44

Cat No.

: SA18020

Eplerenone, Impurities

Δ9-Canrenone

Please enquire for price & pack size

Out of Stock

CAS No.

: 95716-71-5

Mol F.

: C22H26O3

Mol W.

: 338.44

Cat No.

: SA41803