| CAS No.: | 73-22-3 |
|---|---|
| Other Names: | |
| MF: | |
| EINECS No.: | |
| Place of Origin: | |
| Grade Standard: | Food Grade,Medicine Grade |
| Usage: | |
| Brand Name: | |
| Model Number: | |
| Purity: |
Quick Details
Specifications
Supplier: Premium Ingredient Co.,Ltd
Product Name: L-Tryptophan Cas No.: 73-22-3 Quality Standard: USP30
|
Test item
|
specifications
|
|
Assay
|
98.5% to 101.5%
|
|
Identification
|
Infrared absorption
|
|
Specific rotation
|
-29.4° to -32.8°
|
|
PH
|
5.5 to 7.0
|
|
Loss on drying
|
Not more than 0.3%
|
|
Residue on ignition
|
Not more than 0.1%
|
|
Chloride
|
Not more than 0.05%
|
|
Sulfate
|
Not more than 0.03%
|
|
Iron
|
Not more than 0.003%
|
|
Heavy metals
|
Not more than 0.0015%
|
|
Organic volatile impurities
|
Meets the requirements
|
Storage: Preserve in well-closed containers.