| Product Name |
L-Cysteine hydrochloride monohydrate,
from non-animal source, cell culture tested, meets EP, USP testing specifications |
| Product Number |
C6852 |
| Product Brand |
Sigma-Aldrich |
| CAS Number |
7048-04-6 |
| Molecular Formula |
HSCH2CH(NH2)COOH · HCl · H2O |
| Molecular Weight |
175.63 |
| |
| TEST |
SPECIFICATION |
| ORIGIN |
MUST BE NON-ANIMAL SOURCE |
| APPEARANCE |
WHITE CRYSTALLINE POWDER |
| IDENTIFICATION BY IR |
COMPARES TO REFERENCE STANDARD |
| SOLUBILITY |
CLEAR COLORLESS SOLUTION AT 1.0G TO 10ML OF WATER |
| SPECIFIC ROTATION |
+6.1 TO +7.8 DEG (20DEGC) C=8 IN 1M HCL |
|
+5.7 TO +6.8 DEG (25 DEG C) |
|
C=8 IN 6N HCL |
| CHLORIDE |
19.89 TO 20.29% |
| AMMONIUM |
NMT 0.02% |
| SULFATE |
NMT 0.020% |
| IRON |
NMT 10 PPM |
| HEAVY METALS |
NMT 10 PPM |
| ARSENIC |
NMT 1 PPM |
| LOSS ON DRYING |
8.5 TO 12.0% |
| RESIDUE ON IGNITION |
NMT 0.10% |
| RESIDUAL SOLVENTS |
MEETS THE REQUIREMENTS |
| NINHYDRIN-POSITIVE SUBSTANCES (OTHER AMINO ACIDS) |
CONFORMS |
| PH TEST |
1.5 TO 2.0 (1% IN WATER) |
| ASSAY (DRY BASIS) |
98.5 TO 101.0% |
| ENDOTOXIN ASSAY |
NMT 1 EU/MG |
| CELL CULTURE TEST |
PASS |
| NOTE |
MEETS USP AND EP TESTING SPECIFICATIONS |
| EXPIRATION DATE |
24 MONTHS |
| DOCUMENT # |
C6852/09/23/08/7 |
Certificate of Analysis
Certificate of Origin
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