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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
14,098 results · page 143 of 588
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Reference Standard
21-Deoxy Cortisone chemical structure
21-Deoxy Cortisone
CAS
1882-82-2
Formula
C21H28O4
MW
344.4 g/mol
VQ-025087
Reference Standard
21-Norrapamycin chemical structure
21-Norrapamycin
CAS
156223-31-3
Formula
C50H77NO13
MW
900.1 g/mol
VQ-033869
Reference Standard
22Z-Paricalcitol chemical structure
22Z-Paricalcitol
CAS
1884139-61-0
Formula
C27H44O3
MW
416.6 g/mol
VQ-021304
Reference Standard
23-Ethyl Rapamycin
23-Ethyl Rapamycin
CAS
1290606-21-1
Formula
C52H81NO13
MW
928.21 g/mol
VQ-033871
Reference Standard
23-Keto Nemadectin chemical structure
23-Keto Nemadectin
CAS
112124-81-9
Formula
C36H50O8
MW
610.8 g/mol
VQ-032008

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