Basic Info.
Model NO.:20170307
Powder:Yes
Customized:Customized
Certification:GMP, HSE, ISO 9001, USP, BP
Suitable for:Elderly, Children, Adult
State:Liquid
Purity:>98%
Assay:98.5-101.50%
Grade:USP, Bp, Ep
Appearance:White Crystal Powder
Usage:Pharmaceutical Raw Material, Cosmetics
Specification:Hplc, usp grade
Origin:China
HS Code:38220090
Product Description
| Product: L-TYROSINE | ||||
| Item | Specification (USP37) | Result | Methods | |
| Appearance | White powder | Conforms | Visual | |
| Identification | Infrared Absorption | Conforms | IR | |
| Assay | 98.5 to 101.5% | 99.50% | USP- ASSAY | |
| (Calculated on the dried basis) | ||||
| Specific rotation [α] 25D | -9.8°to -11.2° | -10.4° | USP-781S | |
| Loss on Drying | Not more than 0.3 % | 0.22% | USP-731 | |
| Residue on ignition | Not more than 0.4% | 0.18% | USP-281 | |
| Chloride (Cl) | Not more than 0.04% | <0.04% | USP-221 | |
| Sulfate (SO4) | Not more than 0.04% | <0.04% | USP-221 | |
| Iron (Fe) | Not more than 30ppm | <30ppm | USP-241 | |
| Heavy metals (Pb) | Not more than 15ppm | <15ppm | USP-231 | |
| Lead | Not more than 3ppm | <3ppm | AFS | |
| Chromatographic purity | Chromatographically not detectable | Conforms | USP | |
| Residual Solvents | Meets the requirements | Meet the requirements | USP | |
| Total plate count | Less than 1000 cfu/g | Conforms | CP | |
| Yeast & molds | Less than 100 cfu/g | Conforms | CP | |
| Coliforms: | Less than 10 cfu/g | Conforms | CP | |
| E Coli | Negative | Negative | CP | |
| Salmonella | Negative | Negative | CP | |
| Pseudomonas | Negative | Negative | CP | |
| S.Aureus | Negative | Negative | CP | |
| Conclusion :Agree with the specification of USP37. | ||||