Product division
Impurities & Reference Standards
Pharmacopoeial and non-pharmacopoeial impurities, metabolites, nitrosamines and working standards with characterisation data for QC and regulatory work.
27,990products
6sub-categories
2,746in stock
COA + SDSwith every lot
API Impurities 14,098Pharmacopeial Impurities (EP / USP / BP) 4,399Nitrosamine Impurities 631Stable Isotope Labelled Standards (Deuterated, 13C, 15N) 1,504Metabolites & Degradation Products 3,922API Reference Standards 3,436
![(3β)-16-[(3β)-3-(Acetyloxy)androsta-5,16-dien-17-yl]-17-(3-pyridinyl)-androsta-5,16-dien-3-ol 3-Acetate chemical structure](/media/structures/LFPGBQAWACWPBR-NBDAZIKLSA-N.svg)
(3β)-16-[(3β)-3-(Acetyloxy)androsta-5,16-dien-17-yl]-17-(3-pyridinyl)-androsta-5,16-dien-3-ol 3-Acetate
- CAS
- 186826-68-6
- Formula
- C47H61NO4
- MW
- 704 g/mol
VQ-021380
![(3β)-16-[(3β)-3-Hydroxyandrosta-5,16-dien-17-yl]-17-(3-pyridinyl)-androsta-5,16-dien-3-ol chemical structure](/media/structures/QDCDCBNSTZOPIZ-MDASTROQSA-N.svg)
(3β)-16-[(3β)-3-Hydroxyandrosta-5,16-dien-17-yl]-17-(3-pyridinyl)-androsta-5,16-dien-3-ol
- CAS
- 186826-70-0
- Formula
- C43H57NO2
- MW
- 619.9 g/mol
VQ-028982
(3β)-Androsta-5,16-diene-3,17-diol 3-Acetate 17-(Trifluoromethanesulfonate)
- CAS
- 115375-60-5
- Formula
- C22H29F3O5S
- MW
- 462.5 g/mol
VQ-024109
(4-((((R)-2-Amino-5-methyl-4-oxo-1,4,5,6,7,8-hexahydropteridin-6-yl)methyl)amino)benzoyl)-L-glutamic acid
- CAS
- 31690-08-1
- Formula
- C20H25N7O6
- MW
- 459.5 g/mol
VQ-044119
(4-(((2-Amino-7-methyl-4-oxo-1,4-dihydropteridin-6-yl)methyl)amino)benzoyl)-L-glutamic Acid
- CAS
- 6810-75-9
- Formula
- C20H21N7O6
- MW
- 455.4 g/mol
VQ-044426
(4-(((2,4-Diaminopteridin-7-yl)methyl)(methyl)amino)benzoyl)-L-glutamic acid
- CAS
- 52980-66-2
- Formula
- C20H22N8O5
- MW
- 454.4 g/mol
VQ-038365
![(4-(1-(3-(Cyanomethyl)-1-(ethylsulfonyl)azetidin-3-yl)-1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidin-7-yl)methyl Pivalate chemical structure](/media/structures/WENIISNHSRPUOW-UHFFFAOYSA-N.svg)
(4-(1-(3-(Cyanomethyl)-1-(ethylsulfonyl)azetidin-3-yl)-1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidin-7-yl)methyl Pivalate
- CAS
- 1187595-90-9
- Formula
- C22H27N7O4S
- MW
- 485.6 g/mol
VQ-024499
![(4-(1-(3-(Cyanomethyl)azetidin-3-yl)-1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidin-7-yl)methyl Pivalate chemical structure](/media/structures/WYPSYJDXVKDEHX-UHFFFAOYSA-N.svg)
(4-(1-(3-(Cyanomethyl)azetidin-3-yl)-1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidin-7-yl)methyl Pivalate
- CAS
- 2102104-38-9
- Formula
- C20H23N7O2
- MW
- 393.4 g/mol
VQ-044692
(4-(2-(2,4-Diaminopteridin-6-yl)ethyl)benzoyl)glutamic Acid
- CAS
- 309722-11-0
- Formula
- C20H21N7O5
- MW
- 439.4 g/mol
VQ-045086
(4-(2-(2,4-Diaminopteridin-7-yl)ethyl)benzoyl)glutamic Acid
- CAS
- 2058054-07-0
- Formula
- C20H21N7O5
- MW
- 439.4 g/mol
VQ-033263
(4-(2-(Diethylamino)ethoxy)-3,5-diiodophenyl)(2-(1-hydroxybutyl)benzofuran-3-yl)methanone
- CAS
- 1548369-35-2
- Formula
- C25H29I2NO4
- MW
- 661.3 g/mol
VQ-044450
(4-(3-Methoxypropoxy)-3-methylpyridin-2-yl)methanol Hydrochloride
- CAS
- 675198-19-3
- Formula
- C11H18ClNO3
- MW
- 247.72 g/mol
VQ-039309
(4-(4-Cyanophenoxy)-2-(hydroxymethyl)phenyl)boronic acid
- CAS
- 2844350-51-0
- Formula
- C14H12BNO4
- MW
- 269.06 g/mol
VQ-047875
(4-(4-Methyl-6-oxo-1,4,5,6-tetrahydropyridazin-3-yl)phenyl)carbonohydrazonoyl dicyanide
- CAS
- 131741-08-7
- Formula
- C14H12N6O
- MW
- 280.28 g/mol
VQ-026451
(4-(Chloromethyl)piperidin-1-yl)(phenyl)methanone
- CAS
- 63608-15-1
- Formula
- C13H16ClNO
- MW
- 237.72 g/mol
VQ-048142
(4-(Cyclopropylmethyl)piperazin-1-yl)(4-nitrophenyl)methanone
- CAS
- 2466908-77-8
- Formula
- C15H19N3O3
- MW
- 289.3 g/mol
VQ-038443
(4-(Pyridin-2-ylcarbamoyl)phenyl)boronic acid
- CAS
- 850568-25-1
- Formula
- C12H11BN2O3
- MW
- 242.04 g/mol
VQ-035463
![(4-[(3,5-Di-tert-butyl-2-hydroxyphenylthio)isopropylidenethio]-2,6-di-tert-butylphenol) chemical structure](/media/structures/JFBAVBRCJKPJRP-UHFFFAOYSA-N.svg)
(4-[(3,5-Di-tert-butyl-2-hydroxyphenylthio)isopropylidenethio]-2,6-di-tert-butylphenol)
- CAS
- 1391054-68-4
- Formula
- C31H48O2S2
- MW
- 516.8 g/mol
VQ-041672
![(4-Amino-2-methylphenyl)(7-chloro-2,3-dihydro-1H-benzo[b]azepin-1-yl)methanone chemical structure](/media/structures/QFCMTJUVQUTNSP-UHFFFAOYSA-N.svg)
(4-Amino-2-methylphenyl)(7-chloro-2,3-dihydro-1H-benzo[b]azepin-1-yl)methanone
- CAS
- 1859917-22-8
- Formula
- C18H17ClN2O
- MW
- 312.8 g/mol
VQ-042601
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