Cholesterol
CAS: 57-88-5
Category: Steroids
| Purity | Pharmaceutical Grade (USP), Food Grade (FCC), Reagent Grade (≥99%), High-Purity Standard (≥99.5%). |
| Molecular Formula | C27H46O |
| Molecular Weight | 386.65 |
| Appearance | white crystalline powder |
| Packaging | 25 kg/metal drum, 5 kg/plastic bottle. |
| Testing Indicators | Appearance — Visual inspection; Melting point — Capillary; Purity — GC; Identification — IR, GC-MS; Heavy metals — ICP-MS; Loss on drying — Gravimetry; Microbial limits — Pour plate; Sterol impurities — TLC; Specific rotation — Polarimetry. |
| Storage Notes | Stored in a cool, dry, and well-ventilated place at room temperature in a tightly closed container under inert atmosphere, away from light and oxygen to prevent oxidation. |
| Lead Time | days |
Used as a sterol raw material in the synthesis of bile acids, vitamin D precursors, and cell membrane components for pharmaceutical formulations.