- Pharmaceutical[6]
- Other Medicine[2]
- Medical Consumables[6]
- Other Safety Products[6]
- Aprons[3]
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- Contact Person : Mr. Zhang Kaiguo
- Company Name : Hubei SGP Medicines And Health Products Co., Ltd.
- Tel : 0086-27-85490678,13387510567
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L-Cysteine HCL Anhydrous
Related Product Searches:L-Cysteine HCL Anhydrous,High Quality,amino acid, L-Amino Acid
Description: White crystals or crystalline powder, Having a strong acid and sulfite taste without funk.
CERTIFICATE OF ANALYSIS
Product: L- Cysteine HCL Anhydrous CAS No:(52-89-1) Lot NO.: 100320 Date: March 21, 2010 | ||
Item | Specification(AJI92) | Result |
Specific rotation[a]D20 | +5.6 to +8.9° | +6.7° |
State of solution ( Transmittance) | Clear and colorless ≥ 98.0% | 99.0% |
Chloride(Cl) | 22.3 to 22.6% | 22.49% |
Ammonium(NH4) | ≤ 0.02% | ≤ 0.02% |
Sulfate (SO4) | ≤ 0.020% | ≤ 0.02% |
Iron(Fe) | ≤ 10ppm | ≤ 5ppm |
Heavy metals(Pb) | ≤ 10ppm | ≤ 5ppm |
Arsenic(as As2o3) | ≤ 1ppm | ≤ 1ppm |
other amino acids | Chromatographically Not detectable | Conforms |
Loss on drying | ≤ 1.0% | 0.5% |
Residue on ignition(sulfated) | ≤ 0.1% | 0.04% |
Assay | 98% to 102.0% | 100.2% |
PH | 1.5 to 2.0 | 1.7 |
Conclusion: The products conform to the AJI92 standard.
L-Cysteine HCL Anhydrous