D-Methionine CAS:348-67-4-custom synthesis contract manufacturing
D-Methionine CAS:348-67-4
Structural Formula D-Methionine CAS:348-67-4
Product Name D-Methionine
Synonym R-Methionine;R-Methionine;D-Methionine;(R)-2-Amino-4-(methylmercapto)butyric acid
CAS No. 348-67-4
Molecular Weight See details
Specifications Upon request
Packing Sea or Airworthy packing
Material Safety Data Sheet Upon request
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CAS RN: 348-67-4
Solubility in water Colorless & clear (c=3)
Specific rotation [α]D20 -23.0°~-25.0°(c= 8, 6M-HCl)
Loss on drying Not more than 0.3%
Residue on ignition (as sulfate) Not more than 0.1%
Chloride (Cl) Not more than 0.03%
Sulfate (SO4) Not more than 0.03%
Heavy metals (as Pb) Not more than 10ppm
Iron (Fe) Not more than 10ppm
Ammonium (NH4) Not more than 0.02%
Arsenic (As2O3) Not more than 1ppm
Other amino acids Not detected by T.L.C.(The spotted amount, 20μg)
Assay 98.5%~101.0%
L-Isomer Not more than 0.5%

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Has a first-class R & D team, rich experience in custom compound synthesis, good at synthesis of organic compounds such as chiral, heterocyclic, benzene rings.Our company is able to achieve rapid response in the product development, pilot-amplification process, and quickly transform technology into production.Synthesis of reference compounds, intermediates, drug candidates, impurities and metabolites for customers with a range of milligrams to kilograms (including GMP quality).The company has perfect analytical equipment and strict product testing methods to ensure continuous improvement of product quality and continuous optimization of product structure.Provide high quality, high purity compounds with years of custom compound synthesis experience.

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