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.