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

Carbidopa, Impurities

Carbidopa Imine Ester Impurity

$295.00 25 mg

In Stock

CAS No.

Mol F.

: C14H20N2O4

Mol W.

: 280.32

Cat No.

: SA31811

Carisoprodol, Impurities

Carisoprodol EP Impurity C

Please enquire for price & pack size

In Stock

CAS No.

: 78-26-2

Mol F.

: C₇H₁₆O₂

Mol W.

: 132.2

Cat No.

: SA25304

Carisoprodol, Impurities

Carisoprodol EP Impurity D; Meprobamate

Please enquire for price & pack size

In Stock

CAS No.

: 57-53-4

Mol F.

: C9H18N2O4

Mol W.

: 218.25

Cat No.

: SA25301

Carvedilol, Impurities

Carvedilol Nitroso Impurity

Please enquire for price & pack size

In Stock

CAS No.

: 2248746-67-8

Mol F.

: C24H25N3O5

Mol W.

: 435.5

Cat No.

: SA31722

Cefaclor, Impurities

Cefaclor dimer

Please enquire for price & pack size

In Stock

CAS No.

: 142975-51-7

Mol F.

: C32H26Cl2F3N6O9S2

Mol W.

: 830.62

Cat No.

: SA18710

Cefaclor, Impurities

Cefaclor EP Impurity C

Please enquire for price & pack size

In Stock

CAS No.

: 143059-69-2

Mol F.

: C15H14ClN3O4S

Mol W.

: 367.81

Cat No.

: SA18701

Cefaclor, Impurities

Cefaclor EP Impurity F

Please enquire for price & pack size

In Stock

CAS No.

: 2882-18-0

Mol F.

: C10H8N2O

Mol W.

: 172.18

Cat No.

: SA18703

Cefaclor, Impurities

Cefaclor EP Impurity H

Please enquire for price & pack size

In Stock

CAS No.

: NA

Mol F.

: C23H21ClN4O5S

Mol W.

: 500.95

Cat No.

: SA18705

Cefadroxil, Impurities

Cefadroxil Dimer Trifluoroacetate

Please enquire for price & pack size

In Stock

CAS No.

: 2378158-45-1

Mol F.

: C32H32N6O9S2

Mol W.

: 708.8

Cat No.

: SA42307

Cefadroxil, Impurities

Cefadroxil Ethyl Analog

Please enquire for price & pack size

In Stock

CAS No.

: 2243976-70-5

Mol F.

: C17H19N3O5S

Mol W.

: 377.4

Cat No.

: SA42305

Cephalexin, Impurities

Cefalexin EP Impurity A

Please enquire for price & pack size

In Stock

CAS No.

: 875-74-1

Mol F.

: C8H9NO2

Mol W.

: 151.16

Cat No.

: SA12014

Cephalexin, Impurities

Cefalexin EP Impurity B; 7-Aminodesacetoxycephalosporanic acid

Please enquire for price & pack size

In Stock

CAS No.

: 22252-43-3

Mol F.

: C8H10N2O3S

Mol W.

: 214.24

Cat No.

: SA12001

Cephalexin, Impurities

Cefalexin EP Impurity C; Phenylglycyl Cephalexin TFA Salt

Please enquire for price & pack size

In Stock

CAS No.

: 72528-40-6(base)

Mol F.

: C24H24N4O5S. C2F3O

Mol W.

: 577.55

Cat No.

: SA12009

Cephalexin, Impurities

Cefalexin EP Impurity D

Please enquire for price & pack size

In Stock

CAS No.

: 34876-35-2

Mol F.

: C5H6O2S

Mol W.

: 130.16

Cat No.

: SA12012

Cephalexin, Impurities

Cefalexin EP Impurity E

Please enquire for price & pack size

In Stock

CAS No.

: 146794-70-9

Mol F.

: C13H18N2O4S

Mol W.

: 298.36

Cat No.

: SA12002

Cephalexin, Impurities

Cefalexin Sulfoxide

Please enquire for price & pack size

In Stock

CAS No.

: 56193-21-6

Mol F.

: C16H17N3O5S

Mol W.

: 363.39

Cat No.

: SA12003

Cefprozil, Impurities

Cefprozil Amide

Please enquire for price & pack size

In Stock

CAS No.

: NA

Mol F.

: C26H26N4O7S

Mol W.

: 538.57000000000005

Cat No.

: SA31919

Cefprozil, Impurities

Cefprozil EP Impurity A

Please enquire for price & pack size

In Stock

CAS No.

: 22818-40-2

Mol F.

: C8H9NO3

Mol W.

: 167.16

Cat No.

: SA31901

Cefprozil, Impurities

Cefprozil EP Impurity D

Please enquire for price & pack size

In Stock

CAS No.

: 106447-44-3

Mol F.

: C10H12N2O3S

Mol W.

: 240.28

Cat No.

: SA31904

Cefprozil, Impurities

Cefprozil EP Impurity M

Please enquire for price & pack size

In Stock

CAS No.

: 1605314-84-8

Mol F.

: C21H23N3O7S

Mol W.

: 461.49

Cat No.

: SA31913

Celecoxib, Impurities

Celecoxib EP Impurity A

Please enquire for price & pack size

In Stock

CAS No.

: 170570-01-1

Mol F.

: C17H14F3N3O2S

Mol W.

: 381.37

Cat No.

: SA11305

Celecoxib, Impurities

Celecoxib Schiff’s Base Analog

Please enquire for price & pack size

In Stock

CAS No.

Mol F.

: C15H17N3O2S

Mol W.

: 303.38

Cat No.

: SA11303

Celiprolol, Impurities

Celiprolol EP Impurity C

Please enquire for price & pack size

In Stock

CAS No.

: 57471-01-9

Mol F.

: C20H33N3O4

Mol W.

: 379.49

Cat No.

: SA38503

Cephalexin, Impurities

Cephalexin Dimer

Please enquire for price & pack size

In Stock

CAS No.

Mol F.

: C32H32N6O7S2

Mol W.

: 676.76

Cat No.

: SA12007

Cefprozil, Impurities

Ceprozil delta-3-isomer

Please enquire for price & pack size

In Stock

CAS No.

: 1000980-59-5

Mol F.

: C18H19N3O5S

Mol W.

: 389.43

Cat No.

: SA31917

Cetirizine, Impurities

Cetirizine 1-[(4-Chlorophenyl)phenylmethyl]piperazine Amide; Cetirizine Dimer

Please enquire for price & pack size

In Stock

CAS No.

Mol F.

: C₃₈H₄₂Cl₂N₄O₂

Mol W.

: 657.67

Cat No.

: SA13509

Cetirizine, Impurities

Cetirizine 4-methoxybenzyl Impurity

Please enquire for price & pack size

In Stock

CAS No.

Mol F.

: C25H27ClN2O : C3H4O4

Mol W.

: 406.95:104.06

Cat No.

: SA13513

Cetirizine, Impurities

Cetirizine Glycol Impurity

Please enquire for price & pack size

In Stock

CAS No.

: 324047-29-2

Mol F.

: C23H29ClN2O4

Mol W.

: 432.9

Cat No.

: SA13514

Emtricitabine, Impurities

CFTU1/CFTU2 (Mixture)

Please enquire for price & pack size

In Stock

CAS No.

Mol F.

: C8H9FN2O4S

Mol W.

: 248.23

Cat No.

: SA22929

Impurities, Ursodiol

Chenodeoxycholic Acid

Please enquire for price & pack size

In Stock

CAS No.

: 474-25-9

Mol F.

: C24H40O4

Mol W.

: 392.57

Cat No.

: SA31201

Impurities, Loteprednol

Chlormethyl 17α-ethoxycarbonyloxy-3-oxoandrosta-1,4,9(11)-triene-17β-carboxylate, ∆9 (11) 17-ethylcarbonate Lotepredenol

Please enquire for price & pack size

In Stock

CAS No.

: 207670-55-1

Mol F.

: C24H29ClO6

Mol W.

: 448.94

Cat No.

: SA27613

Bosentan, Impurities

Chloro Bosentan

Please enquire for price & pack size

In Stock

CAS No.

: 150727-06-3

Mol F.

: C25H24ClN5O4S

Mol W.

: 526.01

Cat No.

: SA28607

Cephalexin, Impurities

Chloro Cephalexin Impurity | CAS : 22039-59-4

Please enquire for price & pack size

In Stock

CAS No.

: 22039-59-4

Mol F.

: C16H16ClN3O4S

Mol W.

: 381.83

Cat No.

: SA12018

Fluticasone Furoate, Impurities

Chloro Fluticasone Furoate

Please enquire for price & pack size

In Stock

CAS No.

: NA

Mol F.

: C27H29ClF2O6S

Mol W.

: 555.03

Cat No.

: SA48213

Fluticasone Propionate, Impurities

Chloro Fluticasone Propionate

Please enquire for price & pack size

In Stock

CAS No.

: 80486-69-7

Mol F.

: C25H31ClF2O5S

Mol W.

: 517.03

Cat No.

: SA47013

Impurities, Nitrofurantoin

Chlorofurantoin

Please enquire for price & pack size

In Stock

CAS No.

: NA

Mol F.

: CˆH†ClNƒOƒ

Mol W.

: 227.6

Cat No.

: SA39807

Impurities, Loteprednol

Chloromethyl 9-chloro-17α-ethoxycarbonyloxy-11β-hydroxy-3-oxoandrosta-1,4-diene-17β-carboxylate

Please enquire for price & pack size

In Stock

CAS No.

: 207670-58-4

Mol F.

: C24H30Cl2O7

Mol W.

: 501.4

Cat No.

: SA27612

Impurities, Loteprednol

Chloromethyl 9,11-dichloro-17α-ethoxycarbonyloxy-3-oxoandrosta-1,4-diene-17β-carboxylate

Please enquire for price & pack size

In Stock

CAS No.

: 207670-57-3

Mol F.

: C24H29Cl3O6

Mol W.

: 519.84

Cat No.

: SA27614

Apixaban, Impurities

Chloropentanamide Ethyl Ester Apixaban Impurity

Please enquire for price & pack size

In Stock

CAS No.

: NA

Mol F.

: C27H27ClN4O5

Mol W.

: 522.98

Cat No.

: SA39915

Colesevelam, Impurities

Chloroquat

$70.00 25 mg

In Stock

CAS No.

: 93199-84-9

Mol F.

: C9H21BrClN

Mol W.

: 258.63

Cat No.

: SA10209

Chlorpromazine, Impurities

Chlorpromazine EP Impurity A

Please enquire for price & pack size

In Stock

CAS No.

: 969-99-3

Mol F.

: C17H19ClN2OS

Mol W.

: 334.86

Cat No.

: SA21605

Chlorpromazine, Impurities

Chlorpromazine EP Impurity B

$155.00 25 mg

In Stock

CAS No.

: 19077-20-4

Mol F.

: C21H28ClN3S

Mol W.

: 389.99

Cat No.

: SA21606

Chlorpromazine, Impurities

Chlorpromazine EP Impurity D

$115.00 50 mg

In Stock

CAS No.

: 3953-65-9

Mol F.

: C16H17ClN2S

Mol W.

: 304.84

Cat No.

: SA21608

Chlorpromazine, Impurities

Chlorpromazine EP Impurity E

$75.00 25 mg

In Stock

CAS No.

: 92-39-7

Mol F.

: C12H8ClNS

Mol W.

: 233.72

Cat No.

: SA21609

Chlorpromazine, Impurities

Chlorpromazine N-Oxide

$115.00 25 mg

In Stock

CAS No.

: 18683-80-2

Mol F.

: C17H19ClN2OS

Mol W.

: 334.86

Cat No.

: SA21617

Chlorpromazine, Impurities

Chlorpromazine N-Oxide Sulfoxide

$175.00 50 mg

In Stock

CAS No.

: 10404-90-7

Mol F.

: C17H19ClN2O2S

Mol W.

: 350.86

Cat No.

: SA21612

Chlorthalidone, Impurities

Chlorthalidone Impurity A

Please enquire for price & pack size

In Stock

CAS No.

: 345930-32-7

Mol F.

: C14H9ClO6S

Mol W.

: 340.74

Cat No.

: SA22400

Chlorthalidone, Impurities

Chlorthalidone Impurity B

Please enquire for price & pack size

In Stock

CAS No.

: 5270-74-6

Mol F.

: C14H10ClNO5S

Mol W.

: 339.75

Cat No.

: SA22401

Chlorthalidone, Impurities

Chlorthalidone Impurity C

Please enquire for price & pack size

In Stock

CAS No.

: 92874-73-2

Mol F.

: C₁₆H₁₄ClNO₅S

Mol W.

: 367.8

Cat No.

: SA22402

Chlorthalidone, Impurities

Chlorthalidone Impurity D

Please enquire for price & pack size

In Stock

CAS No.

: 1369588-00-0 (monohydrate); 1369995-36-7(anhydrate)

Mol F.

: C16H15ClN2O4S

Mol W.

: 366.82

Cat No.

: SA22403