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
![Methyl 2-methyl-6-oxo-1,6-dihydro-[3,4'-bipyridine]-5-carboxylate chemical structure](/media/structures/TURKYLMVGLRMEX-UHFFFAOYSA-N.svg)
Methyl 2-methyl-6-oxo-1,6-dihydro-[3,4'-bipyridine]-5-carboxylate
- CAS
- 1443528-66-2
- Formula
- C13H12N2O3
- MW
- 244.25 g/mol
VQ-026707
![Methyl 2,4-bis(1H-pyrrolo[2,3-b]pyridin-5-yloxy)benzoate chemical structure](/media/structures/XDYZVVJKWMNCGV-UHFFFAOYSA-N.svg)
Methyl 2,4-bis(1H-pyrrolo[2,3-b]pyridin-5-yloxy)benzoate
- CAS
- 2514648-06-5
- Formula
- C22H16N4O4
- MW
- 400.4 g/mol
VQ-023993
Methyl 2,5-diamino-2-(difluoromethyl)pentanoate
- CAS
- 344755-23-3
- Formula
- C7H14F2N2O2
- MW
- 196.2 g/mol
VQ-038793
Methyl 2,6-difluoro-3-(propylsulfonamido)benzoate
- CAS
- 1186223-50-6
- Formula
- C11H13F2NO4S
- MW
- 293.29 g/mol
VQ-035477
![Methyl 2′,3′-dichloro-3-methyl-5-oxo-1,2,5,6-tetrahydro-[1,1′-biphenyl]-2-carboxylate chemical structure](/media/structures/CJGXMVYFHUEJDQ-UHFFFAOYSA-N.svg)
Methyl 2′,3′-dichloro-3-methyl-5-oxo-1,2,5,6-tetrahydro-[1,1′-biphenyl]-2-carboxylate
- CAS
- 1801167-49-6
- Formula
- C15H14Cl2O3
- MW
- 313.2 g/mol
VQ-021192
![Methyl 2′,3′-dichloro-5-methyl-3-oxo-1,2,3,6-tetrahydro-[1,1′-biphenyl]-2-carboxylate chemical structure](/media/structures/LKPBSDUBXNOVSY-UHFFFAOYSA-N.svg)
Methyl 2′,3′-dichloro-5-methyl-3-oxo-1,2,3,6-tetrahydro-[1,1′-biphenyl]-2-carboxylate
- CAS
- 1898262-46-8
- Formula
- C15H14Cl2O3
- MW
- 313.2 g/mol
VQ-022215
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