二甲基-β-環(huán)糊精
- 別名:Dimethyl-β-cyclodextrin;51166-71-3
- 編碼:ACJ0062A
- 級別:≥98%
- 簡介:二甲基環(huán)糊精可用于提高難溶性藥物化合物的溶解度和生物利用度。
基礎(chǔ)信息
| 中文名 | 二甲基-β-環(huán)糊精 |
| 英文名 | Dimethyl-β-cyclodextrin |
| 級別 | ≥98% |
| CAS | 51166-71-3 |
| 品牌 | 西寶 |
產(chǎn)品介紹
二甲基環(huán)糊精為環(huán)糊精衍生物之一,有效溶解維生素A、E和K等親脂性藥物,可用于提高難溶性藥物化合物的溶解度和生物利用度。
二甲基環(huán)糊精可作為手性選擇劑,通過毛細(xì)管區(qū)帶電泳法分離相關(guān)藥物。
質(zhì)量指標(biāo)
| Assay | ≥98.0% |
| Specific rotation | +154~+165° |
| Acidity & AIKalinity pH | 5.0~7.5 |
| Clarity of solution | 2.5g/25ml water solution is clear |
| Light-absorbing impurities | Complies |
| Average Substitution | 11.2~13.3 |
| Loss on drying | ≤7.0% |
| Beta cyclodextrin | ≤0.2% |
| Residue on ignition | ≤0.5% |
| Heavy metal | ≤10ppm |
| Sulfate | ≤0.2% |
| Chloride | ≤0.2% |
| The total aerobic microbial count | ≤1000cgu/g |
| The total combined moulds and yeasts count | ≤100cfu/g |
| Escherichia coli | Absence |
| Appearance | White or almost white powder. Odorless, slightly smell. Freely soluble in water, soluble in methanol and ethanol |
MSDS
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