Products
- Plant Extract[1]
- Food Additives[10]
- Other Inorganic Chemicals[10]
- Organic Intermediate[10]
- Dyestuffs[10]
- Pigment[10]
- Healthcare Supplement[10]
- Pharmaceutical[10]
Contact Us
- Contact Person : Mr. Ding weizhong
- Company Name : Shaanxi King Stone Enterprise Company Limited
- Tel : 86-29-81870665,13609286751
- Fax : 86-29-88353140
- Address : Shaanxi,Xi'an,Room 19-16.NO.3 Building Xinxilian Mansion.209 Keji Road Hi-Tech industrial Develpment Zone .Xian China
- Country/Region : China
D-Serine
Product Detailed
providing Amino Acids, Amino Acid Derivatives, APIs and Pharmaceutical Intermediates
| Item | Limit |
| Description | White crystalline powder |
| Assay (Dry Basis) | 99% to 101.0% |
| Identification | Confirms |
| Specific Rotation [a]D20o | -16 to-14.0 degree |
| State of solution (T%) | 98.0% Min |
| PH | 5.2 to 6.5 |
| Ammonium (NH4) | 0.020 Max |
| Chloride (Cl) | 0.020 Max |
| Sulfate (SO4) | 0.020 Max |
| Heavy Metal (pb) | 10ppm Max |
| L-isomer | 1.5% Max |
| Other amino acid | 0.3% Max |
| Loss on Drying | 0.20% Max |
| Residue on ignition | 0.20% Max |
D-Serine
