技术规格说明书
产品名称
胆固醇 SyntheChol® synthetic, ≥98%
产品编号
c9913
产品品牌
sigma
化学文摘社编号
57-88-5
分子量
386.65
Test皿 | 规格 |
|---|---|
| APPEARANCE | WHITE CRYSTALLINE POWDER OR WHITE FLAKES |
| SOLUBILITY IN ALCOHOL | CLEAR COLORLESS AT 50MG/5ML |
| MELTING RANGE | 147 TO 150DEGC |
| LOSS ON DRYING | <0.3% (VACUUM 4HOURS AT 60DECC) |
| SOLVENT CONTENT BY GAS CHROMATOGRAPHY | <0.3% |
| IR SPECTRUM | COMPARES TO REFERENCE |
| PROTON AND CARBON-13 NMR SPECTRA | COMPARES TO REFERENCE |
| SPECIFIC ROTATION- USP | REPORT RESULT |
| CARBON | 82.9 TO 84.9% |
| HYDROGEN | 11.0 TO 13.0% |
| ICP-ATOMIC EMISSION | <20 PPM (AS PALLADIUM, ZINC, LEAD) |
| PURITY BY TITRATION | <0.3 ML 0.01 N SULFURIC ACID/100 MG |
| PURITY BY THIN LAYER CHROMATOGRAPHY | >99% OR AS COMPARED TO STANDARD |
| PURITY BY GAS CHROMATOGRAPHY | >98% |
| SULPHATED ASH IMPURITIES | <0.2% |
| DOCUMENT # C9913/02/18/03/3 |