Lanuage:
产品详情
Product Description
| Product name | N-Acetyl-L-cysteine |
| Cas number | 616-91-1 |
| Molecular formula | C5H9NO3S |
| Molecular weight | 163.19 |
| Appearance | White crystals or crystalline powder |
| Assay | 98.5%～101.0% |
| Solubility | Freely soluble in water and in alcohol, practically insoluble in methylene chloride |
| Specific Rotation | + 21.0°?+ 27.0° |
| Identification Reaction | A dark violet colour develops |
| Melting Point | 104℃?110℃ |
| Appearance of Solution | Clear and colourless |
| PH | 2.0～2.8 |
| Znic | ≤10ppm |
| Heavy Metals（Pb） | ≤10ppm |
| N,S-Diacetyl-L-cysteine | ≤0.5% |
| N,N'-diacetyl-L-cystine | ≤0.5% |
| L-cystine | ≤0.5% |
| L-cysteine | ≤0.5% |
Company Information
电话:86-571-87039693 Email:邮箱