CAS number: 72-19-5
Molecular formula: C4H9NO3
molecular weight: 119.1192
Chemical structure:
Product Name | L-THREONINE | |
Shelf Life | 2 years | |
ITEMS | STANDARD | RESULT |
ASSAY: (ON DRY MATTER) | 98.5%~101.5% | 99.7% |
IDENTIFICATION | IR TEST | CONFORMS |
SPECIFIC ROTATION | -26.7°~-29.1° | -27.8° |
PH | 5.0-6.5 | 5.8 |
LOSS ON DRYING | 0.2% MAX | 0.15% |
RESIDUE ON IGNITION | 0.4% MAX | 0.06% |
CHLORIDE | 0.05%MAX | 0.02% |
SULPHATE | 0.03%MAX | CONFORMS |
IRON | 0.003% MAX | CONFORMS |
HEAVY METALS | 15PPM MAX | CONFORMS |
CHROMATOGRAPHIC PURITY | PASS USP TEST (0.5% MAX INDIVIDUAL IMPURITY,2% MAX OF TOTAL IMPURITIES) | CONFORMS |
ORGANIC VOLATILE IMPURITIES | MEETS THE REQUIREMENTS | CONFORMS |
RESULT: THE GOODS CONFORMS WITH USP28 PHARM GRADE |