Home / Products

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

Cephalexin, Impurities

∆2-Cephalexin; Cefalexin EP Impurity F

Please enquire for price & pack size

In Stock

CAS No.

: 79750-46-2

Mol F.

: C16H17N3O4S

Mol W.

: 347.39

Cat No.

: SA12008

Cephalexin, Impurities

Cephalexin Dimer

Please enquire for price & pack size

In Stock

CAS No.

Mol F.

: C32H32N6O7S2

Mol W.

: 676.76

Cat No.

: SA12007

Cephalexin, Impurities

Cephalexin Diketopiperazine

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 59865-11-1

Mol F.

: C16H17N3O4S

Mol W.

: 347.39

Cat No.

: SA12006

Cephalexin, Impurities

L-Cephalexin

Please enquire for price & pack size

In Stock

CAS No.

: 34632-04-7

Mol F.

: C16H17N3O4S

Mol W.

: 347.39

Cat No.

: SA12005

Cephalexin, Impurities

N-Ethoxycarbonyl-7-ADCA

Please enquire for price & pack size

In Stock

CAS No.

: 72820-16-7

Mol F.

: C11H14N2O5S

Mol W.

: 286.3

Cat No.

: SA12004

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

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

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

Impurities, Nitrosamine, Zolmitriptan

N-Nitroso-N-Desmethyl Zolmitriptan

$195.00 25 mg

In Stock

CAS No.

: NA

Mol F.

: C15H18N4O3

Mol W.

: 302.33

Cat No.

: SA11908

Impurities, Zolmitriptan

(S)-4-(4-Aminobenzyl)-2-(1H)-oxazolidinone

$100.00 100 mg

In Stock

CAS No.

: 152305-23-2

Mol F.

: C10H12N2O2

Mol W.

: 192.21

Cat No.

: SA11907

Impurities, Zolmitriptan

Zolmitriptan USP Related Compound D

$1,555.00 100 mg

PLEASE ENQUIRE

CAS No.

: 191864-24-1

Mol F.

: C19H25N3O4

Mol W.

: 359.42

Cat No.

: SA11906

Impurities, Zolmitriptan

Zolmitriptan USP Related Compound B; Zolmitriptan EP Impurity F

$295.00 50 mg

In Stock

CAS No.

: 139264-69-0

Mol F.

: C15H23N3O

Mol W.

: 261.36

Cat No.

: SA11905

Impurities, Zolmitriptan

Zolmitriptan USP Related Compound A

$100.00 10 mg

In Stock

CAS No.

: 139264-35-0

Mol F.

: C15H19N3O2

Mol W.

: 273.33

Cat No.

: SA11904

Impurities, Zolmitriptan

Zolmitriptan N-Oxide

$195.00 25 mg

In Stock

CAS No.

: 251451-30-6

Mol F.

: C16H21N3O3

Mol W.

: 303.36

Cat No.

: SA11903

Impurities, Zolmitriptan

Didesmethyl Zolmitriptan

$695.00 50 mg

PLEASE ENQUIRE

CAS No.

: 139264-15-6

Mol F.

: C₁₄H₁₇N₃O₂

Mol W.

: 259.3

Cat No.

: SA11902

Impurities, Zolmitriptan

Zolmitriptan R-Isomer

$255.00 50 mg

In Stock

CAS No.

: 139264-24-7

Mol F.

: C16H21N3O2

Mol W.

: 287.36

Cat No.

: SA11901

Fulvestrant, Impurities

Fulvestrant Impurity – 12 (17-alpha isomer)

Please enquire for price & pack size

In Stock

CAS No.

Mol F.

: C29H43BrO3

Mol W.

: 519.55

Cat No.

: SA11822

Fulvestrant, Impurities

Fulvestrant-(7Alpha-17Beta)-4-Bromo-7-[9-Bromo-Nonyl]-Estra-1,3,5(10)-Triene-3,17-Diol -17 Acetate

Please enquire for price & pack size

In Stock

CAS No.

Mol F.

: C29H42Br2O3

Mol W.

: 598.45

Cat No.

: SA11821

Fulvestrant, Impurities

Fulvestrant Impurity 6

Please enquire for price & pack size

In Stock

CAS No.

: 741246-55-9

Mol F.

: C10H23BrN2OS

Mol W.

: 299.27 (HBr salt); 218.36 (Free base)

Cat No.

: SA11820

Fulvestrant, Impurities

9-[[9-[(4,4,5,5,5-Pentafluoropentyl)sulfenyl]nonyl]sulfenyl]nonanol

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 1391053-10-3

Mol F.

: C23H45F5OS2

Mol W.

: 494.71

Cat No.

: SA11819

Fulvestrant, Impurities

9-[[9-[(4,4,5,5,5-Pentafluoropentyl)sulfenyl]nonyl]sulfenyl]nonyl Bromide

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

Mol F.

: C23H42BrF5S2

Mol W.

: 557.61

Cat No.

: SA11818

Fulvestrant, Impurities

Fulvestrant Impurity C

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

Mol F.

: C41H65F5O4S2

Mol W.

Cat No.

: SA11817

Fulvestrant

7β-[9-[[9-[(4,4,5,5,5-Pentafluoropentyl)sulfenyl]nonyl]sulfenyl]nonyl]estra-4-ene-3,17β-diol-17-Acetate

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: NA

Mol F.

: C43H67F5O3S2

Mol W.

: 791.11

Cat No.

: SA11816

Fulvestrant, Impurities

Fulvestrant Impurity D Tetraacetate

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

Mol F.

: C53H72O8

Mol W.

: 837.13

Cat No.

: SA11815

Fulvestrant, Impurities

Fulvestrant Sterol Dimer

$295.00 25 mg

In Stock

CAS No.

Mol F.

: C45H64O4

Mol W.

: 668.99

Cat No.

: SA11814

Fulvestrant, Impurities

3-O-Methyl Fulvestrant

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 1221256-46-7

Mol F.

: C33H49F5O3S

Mol W.

: 620.8

Cat No.

: SA11813

Fulvestrant, Impurities

Fulvestrant 17-Ketone

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 403656-89-3

Mol F.

: C32H45F5O3S

Mol W.

: 604.75

Cat No.

: SA11812

Fulvestrant, Impurities

Fulvestrant 3-Sulfate Sodium Salt

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 403656-83-7

Mol F.

: C32H46F5NaO6S2

Mol W.

: 708.82

Cat No.

: SA11811

Fulvestrant, Impurities

Fulvestrant

$200.00 25 mg

In Stock

CAS No.

: 129453-61-8

Mol F.

: C32H47F5O3S

Mol W.

: 606.77

Cat No.

: SA11810

Fulvestrant, Impurities

3-O-Benzyl Fulvestrant

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

Mol F.

: C39H53F5O3S

Mol W.

: 696.89

Cat No.

: SA11809

Fulvestrant, Impurities

S-Deoxo-3,17β-bis-(O-tetrahydro-2H-pyran-2-yl)-6-oxo-fulvestrant

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 862700-70-7

Mol F.

: C42H61F5O5S

Mol W.

: 772.99

Cat No.

: SA11808

Fulvestrant, Impurities

S-Deoxo-3,17-bis-(O-tetrahydro-2H-pyran-2-yl)-6-hydroxy-fulvestrant

Please enquire for price & pack size

Limited Stock

CAS No.

Mol F.

: C42H63F5O5S

Mol W.

: 775

Cat No.

: SA11807

Fulvestrant, Impurities

S-Deoxo ∆6-Fulvestrant; Delta (6,7) Deoxo Fulvestrant Impurity

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 2170200-16-3

Mol F.

: C32H45F5O2S

Mol W.

: 588.76

Cat No.

: SA11806

Fulvestrant, Impurities

Fulvestrant 9-Sulfone

$250.00 25 mg

In Stock

CAS No.

: 98008-06-1

Mol F.

: C32H47F5O4S

Mol W.

: 622.77

Cat No.

: SA11805

Fulvestrant

Fulvestrant Extended

$1,100.00 25 mg

In Stock

CAS No.

Mol F.

: C41H65F5O4S2

Mol W.

: 781.07

Cat No.

: SA11804

Fulvestrant, Impurities

∆6-Fulvestrant

$1,100.00 25 mg

In Stock

CAS No.

: 2170200-14-1

Mol F.

: C32H45F5O3S

Mol W.

: 604.75

Cat No.

: SA11803

Fulvestrant, Impurities

7β-Fulvestrant

$500.00 25 mg

In Stock

CAS No.

: 407577-53-1

Mol F.

: C32H475O3S

Mol W.

: 606.77

Cat No.

: SA11802

Fulvestrant

6-Keto Fulvestrant; Fulvestrant Impurity F

$500.00 25 mg

In Stock

CAS No.

: 2858589-78-1

Mol F.

: C32H45F5O4S

Mol W.

: 620.75

Cat No.

: SA11801

Impurities, Tiotropium

Norscopolamine

$650.00 25 mg

PLEASE ENQUIRE

CAS No.

: 4684-28-0

Mol F.

: C16H19NO4

Mol W.

: 289.3

Cat No.

: SA11725

Impurities, Tiotropium

Tiotropium Impurity N

$595.00 25 mg

In Stock

CAS No.

Mol F.

: C19H22NO4S2

Mol W.

: 392.5

Cat No.

: SA11724

Impurities, Tiotropium

Scopine Methiodide

$450.00 25 mg

PLEASE ENQUIRE

CAS No.

: 21662-36-2

Mol F.

: C9H16INO2

Mol W.

: 297.13

Cat No.

: SA11723

Impurities, Tiotropium

Trop-6-ene-3endo-ol

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 20513-09-1

Mol F.

: C8H13NO

Mol W.

: 139.19

Cat No.

: SA11722

Impurities, Tiotropium

Tiotropium Impurity M

$695.00 25 mg

In Stock

CAS No.

: 736108-96-6

Mol F.

: C18H19NO3S2

Mol W.

: 377.5

Cat No.

: SA11721

Impurities, Tiotropium

Norscopine

$650.00 25 mg

PLEASE ENQUIRE

CAS No.

Mol F.

: C7H11NO2

Mol W.

: 141.17

Cat No.

: SA11720

Impurities, Tiotropium

Scopoline

$130.00 25 mg

In Stock

CAS No.

: 487-27-4

Mol F.

: C8H13NO2

Mol W.

: 155.19

Cat No.

: SA11719

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

PLEASE ENQUIRE

CAS No.

: 783273-13-2

Mol F.

: C18H19NO4S2

Mol W.

: 377.48

Cat No.

: SA11718

Impurities, Tiotropium

2-Hydroxy-2-(thiophen-2-yl)-2-(thiophen-3-yl)acetic Acid Methyl Ester

$345.00 25 mg

PLEASE ENQUIRE

CAS No.

: 28748-67-6

Mol F.

: C11H10O3S2

Mol W.

: 254.33

Cat No.

: SA11717

Impurities, Tiotropium

Pseudoscopine

$350.00 25 mg

In Stock

CAS No.

: 498-45-3

Mol F.

: C8H13NO2

Mol W.

: 155.19

Cat No.

: SA11716

Impurities, Tiotropium

Scopine Hydrochloride

$100.00 25 mg

In Stock

CAS No.

: 85700-55-6

Mol F.

: C8H14ClNO2

Mol W.

: 191.66

Cat No.

: SA11715

Impurities, Tiotropium

Tropenol hydrochloride

$80.00 25 mg

In Stock

CAS No.

: 99709-24-7

Mol F.

: C8H14ClNO

Mol W.

: 175.65

Cat No.

: SA11714

Impurities, Tiotropium

(−)-Scopolamine hydrobromide trihydrate

$100.00 25 mg

In Stock

CAS No.

: 6533-68-2

Mol F.

: C17H28BrNO7

Mol W.

: 438.31

Cat No.

: SA11713

Impurities, Tiotropium

Iso Tiotropium Bromide

$350.00 25 mg

In Stock

CAS No.

: 136431-94-2

Mol F.

: C19H22BrNO4S2

Mol W.

: 472.42

Cat No.

: SA11712