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
4,5-Difluoro-3-(phenylthio)isobenzofuran-1(3H)-one
- CAS
- 2136287-64-2
- Formula
- C14H8F2O2S
- MW
- 278.28 g/mol
VQ-043800
![4,5,6,7-Tetrahydrothiazolo[4,5-c]pyridin-2-amine chemical structure](/media/structures/GPVYTLJDIZSJBN-UHFFFAOYSA-N.svg)
4,5,6,7-Tetrahydrothiazolo[4,5-c]pyridin-2-amine
- CAS
- 1781640-92-3
- Formula
- C6H9N3S
- MW
- 155.22 g/mol
VQ-048126
![4,5,6,7-Tetrahydrothiazolo[5,4-c]pyridine-2-carboxylic Acid Hydrochloride chemical structure](/media/structures/IAXOHPQQBQEJGN-UHFFFAOYSA-N.svg)
4,5,6,7-Tetrahydrothiazolo[5,4-c]pyridine-2-carboxylic Acid Hydrochloride
- CAS
- 1190971-73-3
- Formula
- C7H9ClN2O2S
- MW
- 220.68 g/mol
VQ-036885
![4,5,6,7-Tetrahydrothieno[2,3-c]pyridine Hydrochloride chemical structure](/media/structures/VQEOIFRMJGFLQH-UHFFFAOYSA-N.svg)
4,5,6,7-Tetrahydrothieno[2,3-c]pyridine Hydrochloride
- CAS
- 28783-38-2
- Formula
- C7H10ClNS
- MW
- 175.68 g/mol
VQ-027571
![4,5,6,7-Tetrahydrothieno[3,2-c]pyridin-2(3H)-one Hydrochloride chemical structure](/media/structures/YEFYEUCZRPLBAK-UHFFFAOYSA-N.svg)
4,5,6,7-Tetrahydrothieno[3,2-c]pyridin-2(3H)-one Hydrochloride
- CAS
- 951380-43-1
- Formula
- C7H10ClNOS
- MW
- 191.68 g/mol
VQ-043584
4,6-Dichloro-2-(propylsulfinyl)pyrimidin-5-amine
- CAS
- 1823431-32-8
- Formula
- C7H9Cl2N3OS
- MW
- 254.14 g/mol
VQ-042513
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