L(+)-Cysteine 98+%

Supplier: Thermo Scientific

Synonyms: H-Cys-OH(R)-(+)-Cysteine(R)-2-Amino-3-mercaptopropanoic acid

ACRO173601000EA 169 GBP
ACRO173601000 ACRO173600250 ACRO173600050 ACRO173605000
L(+)-Cysteine 98+%
L(+)-Cysteine
Formula: HSCH₂CH(NH₂)CO₂H
MW: 121,16 g/mol
Boiling Pt: 254 °C (1013 hPa)
Melting Pt: 220 °C (dec.)
Storage Temperature: Refrigerator
MDL Number: MFCD00064306
CAS Number: 52-90-4
EINECS: 200-158-2
Merck Index: 13,02810

Order Now

Specification Test Results

Appearance White to almost white Powder or crystals
Infrared spectrum Conforms
Loss on drying ≤0.5 % (105°C, 3 hrs)
Solubility (2.5 % in water) Clear colorless
Residue after ignition ≤0.1 %
pH 4.5 to 5.5 (2.5 % in water)
Specific optical rotation +7.5° to +9.5° (20°C, 589 nm) (c=8, 5N HCl)
Titration with HClO4 98.0 to 102.0 %
Chloride (Cl) ≤0.05 %
Sulfate (SO4) ≤0.03 %
Ammonium (NH4) ≤0.02 %
Iron (Fe) ≤10 ppm
Heavy metals (as Pb) ≤10 ppm

Learn more

About VWR

Avantor is a vertically integrated, global supplier of discovery-to-delivery solutions for...

Learn more About VWR