Specification Sheet
Product Name
α-Carotene ≥95.0% (HPLC)
Product Number
40395
Product Brand
sigma
CAS Number
7488-99-5
Molecular Weight
536.87
Test | Specification |
|---|---|
| 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 |