Structural Formula | ![]() |
Synonym | D-Methionine (2R)-2-amino-4-methylsulfanylbutanoic acid (R)-2-Amino-4-(methylmercapto)butyric acid (D-2-Amino-4-(methylthio)butanoic acid R-Methionine |
Specifications | Upon request |
Packing | See details |
Material Safety Data Sheet | Upon request |
Availability | Bulk supply and Contract manufacturing of Fine Chemicals,Pharmaceutical Intermediates,APIs from kilos to tons. Please visit www.nbinno.com for our official company website or sending email to [email protected] for more information. |
D-Methionine
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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