L(+)-Cysteine hydrochloride
Supplier: Thermo Scientific
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Warning
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Synonyms:
H-Cys-OH.HCl, (R)-2-Amino-3-mercaptopropanoic acid hydrochloride, L-Cysteine hydrochloride, (R)-(+)-Cysteine hydrochloride
111780050
111781000
111785000
ACRO111780050EA
41.4
GBP
ACRO111780050
ACRO111781000
ACRO111785000
L(+)-Cysteine hydrochloride
L(+)-Cysteine hydrochloride
Formula:
HSCH₂CH(NH₂)COOH·HCl MW: 157,62 g/mol Melting Pt: 175 °C Storage Temperature: Ambient |
MDL Number:
MFCD00064553 CAS Number: 52-89-1 EINECS: 200-157-7 Merck Index: 13,02810 |
Specification Test Results
Appearance | White to off-white Crystalline powder or crystals |
Infrared spectrum | Conforms |
Titration Iodimetric | 98.5 to 101.0 % (on dried substance) |
Loss on drying |
8.0 % to 12.0 % (1g, vacuum |
Sulfated ash | ≤0.1 % |
Specific optical rotation | +5.5° to +7.0° (20°C, 589 nm) (c=8, 6 N HCl) (on dried substance) |
Sulfate (SO4) | ≤300 ppm |
Ammonium (NH4) | ≤200 ppm |
Iron (Fe) | ≤20 ppm |
Heavy metals (as Pb) | ≤10 ppm |
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