| Product Name |
L-Methionine,
meets EP, JP, USP testing specifications, cell culture tested, ≥99%, from non-animal source |
| Product Number |
M5308 |
| Product Brand |
Sigma |
| CAS Number |
63-68-3 |
| Molecular Formula |
CH3SCH2CH2CH(NH2)CO2H |
| Molecular Weight |
149.21 |
| |
| TEST |
SPECIFICATION |
| ORIGIN |
NON-ANIMAL SOURCE |
| APPEARANCE |
WHITE POWDER |
| IDENTIFICATION BY IR |
COMPARES TO REFERENCE STANDARD |
| SOLUBILITY |
CLEAR COLORLESS SOLUTION AT 2.5G TO 100ML OF WATER |
| SPECIFIC ROTATION * |
+23.0 TO +24.0 DEG (20DEGC/EP/JP) |
|
+22.4 TO +24.7 DEG (25DEGC/USP) |
|
* C = 2 IN 6M HYDROCHLORIC ACID |
| CHLORIDE |
NMT 0.020% |
| AMMONIUM |
NMT 0.02% |
| SULFATE |
NMT 0.020% |
| IRON |
NMT 10 PPM |
| HEAVY METALS |
NMT 10 PPM (LEAD) |
| ARSENIC |
NMT 2 PPM |
| LOSS ON DRYING |
NMT 0.20% |
| RESIDUE ON IGNITION |
NMT 0.10% |
| ORGANIC VOLATILES IMPURITIES |
CONFORMS |
| NINHYDRIN-POSITIVE SUBSTANCES (OTHER AMINO ACIDS) |
CONFORMS |
| PH TEST (USP) |
5.6 TO 6.1 (1% IN WATER) |
| PH TEST (JP/EP) |
5.5 TO 6.2 (2.5% IN WATER) |
| ASSAY (DRY BASIS) |
99.0 TO 101.0% |
| ENDOTOXIN ASSAY |
NMT 1.0 EU/MG |
| CELL CULTURE TEST |
PASS |
| NOTE |
MEETS USP, EP AND JP TESTING SPECIFICA TIONS |
| EXPIRATION DATE |
48 MONTHS |
|
M5308:03/07-7 |
Certificate of Analysis
Certificate of Origin
Related Information
Links
Page Options
