技术规格说明书
产品名称
(S)-Naproxen methyl ester pharmaceutical impurity standard
产品编号
80822
产品品牌
sial
化学文摘社编号
26159-35-3
分子量
244.29
Test皿 | 规格 |
|---|---|
| APPEARANCE (COLOR) | White to Off White |
| APPEARANCE (FORM) | Powder or Crystals |
| PURITY (HPLC AREA %) | ≥ 98.0 % |
| IDENTIFICATION (LC-MS) | Identity Confirmed |
| SPECIFIC ROTATION (20/D) | 72.0 - 84.0 Degrees |
| CONCENTRATION | C=0.1 in TRICHLOROMETHANE |
| WATER | ≤ 0.5 % |
| CARBON CONTENT | 73.5 - 74.1 % |
| HYDROGEN CONTENT | 6.3 - 6.9 % |
| PROTON NMR SPECTRUM | CONFORMS TO STRUCTURE |
| EXPIRY PERIOD | 36 MONTHS |