L(+)-Cysteine, white powder

Supplier: MP Biomedicals
Warning

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

0210144425 0210144480 0210144490
ICNA0210144425EA 175 SGD
ICNA0210144425 ICNA0210144480 ICNA0210144490
L(+)-Cysteine, white powder
L(+)-Cysteine

L-cysteine is used in producing antioxidants. It also promotes healing of severe burns, fat burning and helps build muscle and promotes the activity of white blood cells. It is a precursor in the food, pharmaceutical, and personal care industries.


  • NMDA glutamatergic receptor agonist.


Soluble in water, alcohol, acetic acid, ammonia water; insoluble in ether, acetone, benzene, ethyl acetate, carbon disulfide, carbon tetrachloride


Caution: Research Use Only (RUO).

Formula: HSCH₂CH(NH₂)CO₂H
MW: 121,16 g/mol
Storage Temperature: Ambient
MDL Number: MFCD00064306
CAS Number: 52-90-4
EINECS: 200-158-2

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Specification Test Results

Identity Test Passes
FTIR Conforms to Standard
Melting Point 213 - 235°C (dec)
Optical Rotation +7 ° to +13 ° (c=2, 1N HCl)
pH 4 - 8 (5% aq soln)
Refractive Index 8.8 ° (C=8, 1mol/L HCl) (Lit.)

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