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
![Fmoc-Val-Ser[Psi(Me,Me)Pro]-OH chemical structure](/media/structures/KLYUTTJBDDHKOC-VXKWHMMOSA-N.svg)
![Fosamprenavir pyrophosphate [Early eluting]](/media/pack/fosamprenavir-pyrophosphate-early-eluting.svg?v=3)
Fosamprenavir pyrophosphate [Early eluting]
- CAS
- 316123-24-7
- Formula
- C25H37N3O12P2S
- MW
- 665.59 g/mol
VQ-044435
![Fosamprenavir pyrophosphate [late eluting]](/media/pack/fosamprenavir-pyrophosphate-late-eluting.svg?v=3)
Fosamprenavir pyrophosphate [late eluting]
- CAS
- 316123-26-9
- Formula
- C50H70N6O17P2S2
- MW
- 1153.2 g/mol
VQ-044436
Fosaprepitant Dimeglumine Desfluoro Impurity
- CAS
- 2975348-16-2
- Formula
- C37H57F6N6O16P
- MW
- 986.8 g/mol
In stock
Fosaprepitant Dimeglumine Dibenzylester Impurity
- CAS
- 265121-01-5
- Formula
- C37H34F7N4O6P
- MW
- 794.6 g/mol
VQ-005011
Fosaprepitant Dimeglumine Impurity F (Dimeglumine salt)
- CAS
- 2035475-11-5
- Formula
- C44H62F7N6O16P
- MW
- 1095 g/mol
In stock
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