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CAS No. 56-89-3
Other Names Cystine
MF C6H12N2O4S2
EINECS No. 200-296-3
Place of Origin Zhejiang, China (Mainland)
Type Vitamins, Amino Acids and Coenzymes
we suplly L-Cystine,Cystine ,56-89-3 in competitive price
| Items | Specification |
| Appearance | White crystals or crystalline powder |
| Loss on Drying | ≤0.2% |
| Residue on Ignition | ≤0.1% |
| Specific Rotation | -215°~ -225° |
| State of Solution | ≥98.0% |
| PH | 5.0 ~ 6.5 |
| Heavy Metals | ≤10ppm |
| Iron | ≤20ppm |
| Arsenic(As2O3) | ≤1ppm |
| Sulphate(SO4) | ≤200ppm |
| Chloride(Cl) | ≤200ppm |
| Ammonium(NH4) | ≤200ppm |
| Other Amino Acids | Meets the requirements |
| Assay | 98.5 ~101.0% |
| Standard | AJI92 |