| Product Name |
L-Threonine,
cell culture tested, meets EP, JP, USP testing specifications, from non-animal source, ≥98.5% |
| Product Number |
T8441 |
| Product Brand |
Sigma |
| CAS Number |
72-19-5 |
| Molecular Formula |
CH3CH(OH)CH(NH2)CO2H |
| Molecular Weight |
119.12 |
| |
| TEST |
SPECIFICATION |
| ORIGIN |
MUST BE NON-ANIMAL SOURCE |
| APPEARANCE |
WHITE CRYSTALLINE POWDER |
| IDENTIFICATION BY IR |
COMPARES TO REFERENCE STANDARD |
| SOLUBILITY |
CLEAR COLORLESS SOLUTION AT 1G TO 10ML OF WATER |
| SPECIFIC ROTATION * |
-27.6 TO -29.0 DEG (20DEGC/EP, JP) |
|
-26.7 TO -29.1 DEG (25DEGC/USP) |
|
* C = 6 IN WATER |
| CHLORIDE |
NMT 0.020% |
| AMMONIUM |
NMT 0.02% |
| SULFATE |
NMT 0.020% |
| IRON |
NMT 10 PPM |
| HEAVY METALS |
NMT 10 PPM |
| ARSENIC |
NMT 1 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) |
5.0 TO 6.5 (5% IN WATER) |
| PH TEST (EP) |
5.0 TO 6.5 (2.5% IN WATER) |
| PH TEST (JP) |
5.2 TO 6.2 (1% IN WATER) |
| ASSAY (DRY BASIS) |
99.0 TO 101.0% |
| ENDOTOXIN ASSAY |
<1 EU/MG |
| CELL CULTURE TEST |
PASS |
| NOTE |
MEETS USP, EP AND JP TESTING SPECIFICA TIONS |
| EXPIRATION DATE |
48 MONTHS |
|
DOCUMENT # T8441:05/03-3 |
Certificate of Analysis
Certificate of Origin
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