Best quality Food Grade L-Proline - L-Methionine – Ciliang
Short Description:
Name: Methionine Other name : L-Methionine USP/ medicine grade / pharmaceutical grade/ Food grade CAS No.: 63-68-3 Grade: pharmaceutical grade Purity: ≥99% Appearance: white thin flake crystal or crystalline powder Items Specification Results Appearance White crystals or crystalline powder Conforms Assay 98.5%~101.5% 99.65% Specific optical rotation +22.4°~+24.7° +23.39° PH value 5.6~6.1 5.96 Loss on drying ≤0.3% 0.15% Heavy metals(Pb) ≤0.0015% <0.0015% Residue on...
Best quality Food Grade L-Proline - L-Methionine – Ciliang Detail:
Name: Methionine
Other name : L-Methionine USP/ medicine grade / pharmaceutical grade/ Food grade
CAS No.: 63-68-3
Grade: pharmaceutical grade
Purity: ≥99%
Appearance: white thin flake crystal or crystalline powder
Items | Specification | Results |
Appearance | White crystals or crystalline powder | Conforms |
Assay | 98.5%~101.5% | 99.65% |
Specific optical rotation | +22.4°~+24.7° | +23.39° |
PH value | 5.6~6.1 | 5.96 |
Loss on drying | ≤0.3% | 0.15% |
Heavy metals(Pb) | ≤0.0015% | <0.0015% |
Residue on ignition | ≤0.4% | 0.14% |
Chloride(Cl) | ≤0.050% | <0.05% |
Sulphate(SO4) | ≤0.03% | <0.03% |
Iron(Fe) | ≤0.003% | <0.003% |
Chromatographic purity | Meets the requirements | Conforms |
Product detail pictures:

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Our advancement depends over the superior machines, exceptional talents and continually strengthened technology forces for Best quality Food Grade L-Proline - L-Methionine – Ciliang, The product will supply to all over the world, such as: Denmark , Russia , Montreal , We've been persisting in the business essence "Quality First, Honoring Contracts and Standing by Reputations, providing customers with satisfying products and service. " Friends both at home and abroad are warmly welcome to establish everlasting business relations with us.

This supplier's raw material quality is stable and reliable, has always been in accordance with the requirements of our company to provide the goods that quality meet our requirements.
