L-Cysteine ethyl ester hydrochloride
Molecular Structure:
MDL:
MFCD00012631
Molecular Formula:
C5H11NO2S?HCl
Molecular Weight:
185.67
Alias:
Ethyl cysteine hydrochloride
H-Cys-OEt·HCl
Product order:
Name |
Specifications |
Packing |
Price |
Delivery |
L-Cysteine ethyl ester hydrochloride |
98% |
100g |
RMB 748 |
Consulting service |
L-Cysteine ethyl ester hydrochloride |
98% |
500g |
RMB 2750 |
Consulting service |
Character:
白色結(jié)晶粉末。
熔點(diǎn): 128 °C
[α]20D -11.5 ° (C=8, 1mol/L HCl)
Quality Standard:
外觀Appearance 白色粉末
純度Purity ≥98.0% (碘量滴定)
熔點(diǎn)Melting point 127°C - 131°C
Specific rotation [a]20/D -11.0 ~ -13.0 °(C=8, 1mol/L HCl)
干燥損失Loss on drying <0.5 %
重金屬Heavy metals (as Pb) <10 ppm
灼燒殘?jiān)黂es. after ign.(sulf.) <0.1 %
透光度Transmittance >98 % (c=2.5, H20, 430 nm) 1 cm cell
Storage:
用途 用于生化試劑,醫(yī)藥中間體。