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L-Methionine (C5H11NO2S) CAS No.: 63-68-3

L-Methionine (C5H11NO2S) CAS No.: 63-68-3
Product Detailed
1. L-Methionine 2. L-2-Amino-4-(methythio) butanoic acid 3. Molecular formula: C5H11NO2S 4. CAS No.: 63-68-3

L-Methionine

Chemical name: L-2-Amino-4-(methythio) butanoic acid

Molecular formula: C5H11NO2S

Molecular weight: 149.21

Specification:

L-Methionine 

Item

Standard

Assay (on dry basis)

98.5-101.5%

Specific rotation

+21.9° ~+24.1°

Iron (Fe), %≤

0.003

Heavy metal, %≤

0.0015

Arsenic, %≤

0.00015

Loss on drying, %≤

0.3

Residue on drying, %≤

0.1

Application:

L-Hydroxyproline, a hydroxylated form of the amino acid proline, is a major component of collagen, L-Hydroxyproline can be used in the synthesis of mycology medicals (anti-fungals) and chiral ligands (enantioselective ethylation of aldehydes). It is also used as important raw materials in the cosmetic field.

L-Methionine (C5H11NO2S) CAS No.: 63-68-3



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