技术规格说明书
产品名称
α-胡萝卜素 ≥95.0% (HPLC)
产品编号
40395
产品品牌
sigma
化学文摘社编号
7488-99-5
分子量
536.87
Test皿 | 规格 |
|---|---|
| APPEARANCE (COLOR) | Brown to Very Dark Brown and Red to Very Dark Red and Red-Brown and Very Dark Red-Brown |
| APPEARANCE (FORM) | Powder |
| PURITY (HPLC AREA %) | ≥ 95.0 % |
| ENANTIOMERIC EXCESS | ≥ 95.0 % EE |
| PROTON NMR SPECTRUM | CONFORMS TO STRUCTURE |
| WAVELENGTH (1) (UV) | 445 - 449 nm |
| MOLAR ABSORBANCY INDEX (1) | REPORT RESULT |
| SOLVENT (UV) | 2% METYHLENECHLORIDE in HEXANE |
| RECOMMENDED RETEST PERIOD | 24 MONTHS |