Product Information
| Product Name |
L-Cysteine Monohydrochloride USP29 |
| Synonyms |
(R,R)-3,3′-Dithiobis(2-Aminopropionic Acid) |
| CAS Number |
7048-04-06 |
| Molecular Weight |
240.29 |
| Molecular Formula |
C6H12N2O4S2 |
Specifications
| Description |
White Crystal Powder |
| Identification |
As Per USP29 |
| Specific Rotation |
+5.7 – 6.8 ° |
| State of Solution |
98 %min |
| Loss on Drying |
8.0 – 12.0% |
| Residue on ignition |
0.1% max |
| Chloride |
19-89 – 20.29% |
| Ammonium |
0.02%max |
| Sulfate |
0.02%max |
| Iron |
10 ppm max |
| Heavy Metals |
10 ppm max |
| Arsenic |
1 ppm max |
| Chromatographic purity |
As per USP29 |
| OVI |
As per USP29 |
| Residual Solvents |
As per USP29 |
| Assay |
98.5 – 101.5% |
| pH |
1.5 – 2.0 |
| Total Plate Count |
1000 cfu/g max |
| Yeast & Mold |
100 cfu/gmax |
| E. Coli |
Negative |
| Salmonella |
Negative |
| Staphylococcus auresu |
Negative / 10g |
Packing Options
Other packing options are available upon request
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