D-Methionine
Molecular Structure:
MDL:
--MFCD00002622
Molecular Formula:
C5H11NO2S
Molecular Weight:
149.20
Alias:
D-甲硫氨酸,D-2-氨基-4-甲硫基丁酸
(R)-2-Amino-4-(methylmercapto)butyric acid
D-2-Amino-4-(methylthio)butanoic acid
H-D-Met-OH
Product order:
Name |
Specifications |
Packing |
Price |
Delivery |
D-Methionine |
99% |
100g |
RMB 1155 |
Consulting service |
D-Methionine |
99% |
25g |
RMB 308 |
Consulting service |
D-Methionine |
99% |
5g |
RMB 140.8 |
Consulting service |
Character:
白色结晶,溶于水,水中溶解度:53 G/L (20°C),稀酸及碱,极微溶于醇,不溶于醚。
熔点:273-275°C
比旋光度[a]20/D:-24°(C=8,6 N HCl)
Quality Standard:
外观Appearance 白色至类白色粉末
纯度Purity 99.0 - 101.0 % (以干基计)
干燥损失Loss on drying <0.3 %
重金属Heavy metals (as Pb) <10 ppm
硫酸盐灰分Sulfated ash <0.1 %
比旋度Specific rotation [a]20/D -23.0 ~ -25.0 ° (C=8,6 N HCl)
透光度Transmittance >98 % (c=3, H2O, 430 nm) 1 cm cell
其它氨基酸Other amino acids (TLC) 未检测到