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L-Cysteine ethyl ester hydrochloride

Cas:
868-59-7
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:
白色结晶粉末。
熔点: 128 °C
[α]20D -11.5 ° (C=8, 1mol/L HCl)  
Quality Standard:
外观Appearance                          白色粉末
纯度Purity                              ≥98.0% (碘量滴定)
熔点Melting point                       127°C - 131°C
Specific rotation [a]20/D               -11.0 ~ -13.0 °(C=8, 1mol/L HCl)
干燥损失Loss on drying                  <0.5 %
重金属Heavy metals (as Pb)              <10 ppm
灼烧残渣Res. after ign.(sulf.)          <0.1 %
透光度Transmittance                     >98 % (c=2.5, H20, 430 nm) 1 cm cell 
Storage:
用途  用于生化试剂,医药中间体。
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