CAS No.:3081-61-6
L-Theanine
Molecular Formula: C7H14N2 O3
Molecular Weight: 174.2
CAS Number: 3081-61-6
Specifications
| L-theanine | Enterprise standard |
| content | 98.0～102.0% |
| PH | 5.0～6.0 |
| Specific rotation [ɑ] D20 | +7.7°～+8.5° |
| solubility | clear colorless |
| chloride | ≤0.02% |
| Infrared identification | Authentic |
| melting point | 202.0-215.0℃ |
| heavy metal | ≤10ppm |
| Arsenic salts | ≤1ppm |
| Loss on drying | ≤0.5% |
| Residue of ignition | ≤0.2% |
| Total bacteria | ≤ 1000 CFU/g |
| Mold & yeast | ≤ 100 CFU/g |