Impurities & Reference Standards
API Impurities
Source 1942 api impurities for research, QC and production, documented with COA and SDS.
14,098products
1,516in stock
COA + SDSwith every lot
1,3-Dicyclohexyl-2,4,6-trioxohexahydropyrimidine-5-carboxylic acid
- CAS
- 3048437-54-0
- Formula
- C17H24N2O5
- MW
- 336.4 g/mol
VQ-036537
1,3-Diethyl 2-(2-chloro-5-nitrobenzoyl)propanedioate
- CAS
- 94088-68-3
- Formula
- C14H14ClNO7
- MW
- 343.71 g/mol
VQ-028723
![1,3-Dihydro-1-[1-(1H-imidazol-1-ylcarbonyl)-4-piperidinyl]-2H-imidazo[4,5-b]pyridin-2-one chemical structure](/media/structures/VBWXKTTVXAQTDR-UHFFFAOYSA-N.svg)
1,3-Dihydro-1-[1-(1H-imidazol-1-ylcarbonyl)-4-piperidinyl]-2H-imidazo[4,5-b]pyridin-2-one
- CAS
- 1373116-06-3
- Formula
- C15H16N6O2
- MW
- 312.33 g/mol
VQ-023637
![1,3-Dimethyl-8-((6-methyl-1,3-dihydrofuro[3,4-c]pyridin-7-yl)oxy)-3,9-dihydro-1H-purine-2,6-dione chemical structure](/media/structures/IYHKBGZFGONMBV-UHFFFAOYSA-N.svg)
1,3-Dimethyl-8-((6-methyl-1,3-dihydrofuro[3,4-c]pyridin-7-yl)oxy)-3,9-dihydro-1H-purine-2,6-dione
- CAS
- 1797911-12-6
- Formula
- C15H15N5O4
- MW
- 329.31 g/mol
VQ-036716
1,3-Dioxo-2-(2,6-dioxopiperidin-3-yl)-5-aminoisoindoline
- CAS
- 191732-76-0
- Formula
- C13H11N3O4
- MW
- 273.24 g/mol
VQ-032417
1,3-Dioxolane-4-methanol, 2-(2,4-dichlorophenyl)-2-(1H-1,2,4-triazol-1-ylmethyl)-, 4-methanesulfonate, (2R,4S)-rel
- CAS
- 854372-78-4
- Formula
- C14H15Cl2N3O5S
- MW
- 408.3 g/mol
VQ-031307
1,3,5-Tri-O-benzoyl-2-O-(1H-imidazol-1-ylsulfonyl)-alpha-D-ribofuranose
- CAS
- 97614-42-1
- Formula
- C29H24N2O10S
- MW
- 592.6 g/mol
VQ-043631
1,3,5-Trimethyl-2,4,6-tris(3,5-di-tert-butyl-4-hydroxybenzyl)benzene
- CAS
- 1709-70-2
- Formula
- C54H78O3
- MW
- 775.2 g/mol
VQ-032555
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