Best Price on Ethyl (S)-4-Chloro-3-hydroxybutyrate - Caronic Anhydride CAS 67911-21-1 PF-07321332 Boceprevir Intermediate High Quality – Ruifu
Best Price on Ethyl (S)-4-Chloro-3-hydroxybutyrate - Caronic Anhydride CAS 67911-21-1 PF-07321332 Boceprevir Intermediate High Quality – Ruifu Detail:
Commercial Supply Related Intermediates with High Quality
Chemical Name | Caronic Anhydride |
Synonyms | 6,6-Dimethyl-3-oxabicyclo[3.1.0]hexane-2,4-dione; 3,3-Dimethyl-1,2-cyclopropanedicarboxylic Anhydride |
CAS Number | 67911-21-1 |
CAT Number | RF-PI315 |
Stock Status | In Stock, Production Scale Up to Tons Every Month |
Molecular Formula | C7H8O3 |
Molecular Weight | 140.14 |
Melting Point | 53.0~57.0℃ |
Boiling Point | 246°C |
Flashing Point | 113°C |
Density | 1.274 g/mL at 25°C |
Solubility | Soluble in Methanol |
Storage and Sensitivity | Moisture Sensitive. Store Under Nitrogen. Ambient Temperatures. |
Brand | Ruifu Chemical |
Item | Specifications |
Appearance | White or Almost White Crystal Powder |
Residue on Ignition | ≤0.20% |
Single Impurity | ≤0.50% |
Purity / Analysis Method | ≥98.0% (GC) |
Test Standard | Enterprise Standard |
Usage | Intermediate of PF-07321332 Paxlovid (CAS 2628280-40-8) and Boceprevir (CAS 394730-60-0) |
Package: Bottle, Aluminum foil bag, Cardboard drum, 25kg/Drum, or according to customer’s requirement.
Storage Condition: Store in sealed containers at cool and dry place; Protect from light, moisture and pest infestation.
Shanghai Ruifu Chemical Co., Ltd. is the leading manufacturer and supplier of Caronic Anhydride (CAS: 67911-21-1) with high quality, widely used in organic synthesis, synthesis of pharmaceutical intermediates and Active Pharmaceutical Ingredient (API) synthesis. Caronic Anhydride is the key intermediate of PF-07321332 Paxlovid (CAS 2628280-40-8) and Boceprevir (CAS 394730-60-0). PF-07321332 is a potent and orally active SARS-CoV 3C-like protease (3CLPRO) inhibitor developed by Pfizer. PF-07321332 targets to the SARS-CoV-2 virus and can be used for COVID-19 reseacrch. Boceprevir is an NS3 serine protease inhibitor of hepatitis C virus, for the treatment of HCV infection.
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