L-Cysteine CAS:52-90-4

  • Product Name:L-Cysteine
  • CAS:52-90-4
  • Molecular formula:C3H7NO2S
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L-Cysteine CAS:52-90-4

L-Cysteine CAS:52-90-4 Basic information

Product Name: L-Cysteine
Synonyms: L-Alanine, 3-mercapto-;L-Amino-thopro-ponicacid;L-Mercaptoalanine;NSC-8746;Propanoic Acid, 2-amino-3-mercapto-, (R)-;Thioserine;cysteine,b-mercapto-alanine;L-CYSTEINE FREE BASE, BIOTECHNOLOGY &
CAS: 52-90-4
MF: C3H7NO2S
MW: 121.16
EINECS: 200-158-2
Product Categories: API intermediates;Cysteine [Cys, C];Amino Acids;Amino Acids and Derivatives;alpha-Amino Acids;Antioxidant;Biochemistry;Nutritional Supplements;L-Amino Acids;Amino Acids;amino
Mol File: 52-90-4.mol

L-Cysteine CAS:52-90-4 Chemical Properties

density: 1.197 (estimate)
Melting point: 220 °C (dec.)(lit.)
Boiling point: 293.9±35.0 °C(Predicted)
form: Solid
storage temp.: Store at RT.
Water Solubility: 280 g/L (25 ºC)
refractive index: 8.8 ° (C=8, 1mol/L HCl)
pka: 1.92(at 25℃)
BRN: 1721408
solubility: H2O: 25 mg/mL
NIST Chemistry Reference: L-Cysteine(52-90-4)
Merck: 14,2781
Stability: Stability Stable, but may be air sensitive. Incompatible with oxidizing agents, bases.
Sensitive: Air Sensitive
PH: 8.75 º (c=12, 2N HCl)
alpha: 8.75 º (c=12, 2N HCl)
FEMA: 3263 | L-CYSTEINE
JECFA Number: 1419
λmax: λ: 260 nm Amax: 1.5 λ: 280 nm Amax: 0.2
CAS DataBase Reference: 52-90-4(CAS DataBase Reference)
EPA Substance Registry System: L-Cysteine (52-90-4)

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L-Cysteine CAS:52-90-4

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