| Product Name |
L-Leucine,
meets EP, JP, USP testing specifications, cell culture tested, 98.5-101.0%, from non-animal source |
| Product Number |
L8912 |
| Product Brand |
Sigma |
| CAS Number |
61-90-5 |
| Molecular Formula |
(CH3)2CHCH2CH(NH2)CO2H |
| Molecular Weight |
131.17 |
| |
| TEST |
SPECIFICATION |
| ORIGIN |
NON-ANIMAL SOURCE |
| APPEARANCE |
WHITE CRYSTALLINE POWDER |
| IDENTIFICATION BY IR |
COMPARES TO REFERENCE STANDARD |
| SOLUBILITY |
CLEAR COLORLESS SOLUTION AT 0.5G TO 10ML OF 1M HYDROCHLORIC ACID |
| SPECIFIC ROTATION * |
+14.9 TO +16.0 DEG (20DEGC/EP,JP) |
|
+14.9 TO +17.3 DEG (25DEGC/USP) |
|
* C = 4 IN 6M HYDROCHLORIC ACID |
| CHLORIDE |
< OR = 0.020% |
| AMMONIUM |
< OR = 0.02% |
| SULFATE |
< OR = 0.020% |
| IRON |
< OR = 10 PPM |
| HEAVY METALS |
< OR = 10 PPM |
| ARSENIC |
< OR = 1 PPM |
| LOSS ON DRYING |
< OR = 0.20% |
| RESIDUE ON IGNITION |
< OR = 0.10% |
| ORGANIC VOLATILES IMPURITIES |
CONFORMS |
| NINHYDRIN-POSITIVE SUBSTANCES (OTHER AMINO ACIDS) |
CONFORMS |
| PH TEST |
5.5 TO 6.5 (1% IN WATER) |
| ASSAY (DRY BASIS) |
98.5 TO 101.0% |
| ENDOTOXIN ASSAY |
< OR = 1 EU/MG |
| CELL CULTURE TEST |
PASS |
| NOTE |
MEETS USP, EP AND JP TESTING SPECIFICATIONS |
| RECOMMENDED RETEST |
4 YEARS |
| DOCUMENT # |
L8912/07/21/08/4 |
Certificate of Analysis
Certificate of Origin
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