| Customization: | Available |
|---|---|
| CAS No.: | 63-68-3 |
| Certification: | ISO, FDA |
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L-methionine is the L-enantiomer of methionine. It has a role as a nutraceutical, a micronutrient, an antidote to paracetamol poisoning, a human metabolite and a mouse metabolite. It is an aspartate family amino acid, a proteinogenic amino acid, a methionine and a L-alpha-amino acid. It is a conjugate base of a L-methioninium. It is a conjugate acid of a L-methioninate. It is an enantiomer of a D-methionine. It is a tautomer of a L-methionine zwitterion.
| PRODUCT SPECIFICATIONS | ||
| Product Name: | L-Methionine | |
| CAS number | 63-68-3 | |
| Molecular formula | C5H11NO2S | |
| ANALYSIS ITEMS | SPECIFICATION | TEST METHOD |
| Identification | Infrared absorption | |
| Appearance | White crystalline powder | |
| Assay | 99.0%~101.0% | |
| Specific rotation[a]D25° | +22.4~ +24.8° | |
| PH | 5.6~6.1 | |
| Chloride(Cl) | ≤ 0.050% | |
| Sulfate(SO4) | ≤ 0.030% | |
| Loss on drying | ≤ 0.3% | |
| Residue on ignition | ≤ 0.4% | |
| Iron(Fe) | ≤ 30ppm | |
| Heavy metal | ≤ 15ppm | |
| Organic volatile impurities | Meet the requirements | |
| Packing | Pack in paper-drums and two plastic-bags inside N.W. 25 kgs I.D.35xH51cm. | |
| Storage | Store in a well-closed container away from moisture, light, oxygen. | |
| Shelf Life | 24 months under the conditions above and in its original packaging | |
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