Cas no 21861-11-0 (L-Cysteine,S-(2-carboxy-1-methylethyl)- (9CI))

L-Cysteine,S-(2-carboxy-1-methylethyl)- (9CI) structure
21861-11-0 structure
Product Name:L-Cysteine,S-(2-carboxy-1-methylethyl)- (9CI)
CAS No:21861-11-0
MF:C7H13NO4S
MW:207.24742102623
CID:290114
PubChem ID:30836
Update Time:2025-04-19

L-Cysteine,S-(2-carboxy-1-methylethyl)- (9CI) Chemical and Physical Properties

Names and Identifiers

    • L-Cysteine,S-(2-carboxy-1-methylethyl)- (9CI)
    • 3-(2-amino-2-carboxyethyl)sulfanylbutanoic acid
    • S-(2-carboxyisopropyl)cysteine
    • DTXSID10944466
    • S-(2-CARBOXY-1-METHYLETHYL)-L-CYSTEINE
    • 21861-11-0
    • 3-[(2-amino-2-carboxyethyl)sulfanyl]butanoic acid
    • Inchi: 1S/C7H13NO4S/c1-4(2-6(9)10)13-3-5(8)7(11)12/h4-5H,2-3,8H2,1H3,(H,9,10)(H,11,12)
    • InChI Key: QAGUPZKZTPZYRU-UHFFFAOYSA-N
    • SMILES: S(CC(C(=O)O)N)C(C)CC(=O)O

Computed Properties

  • Exact Mass: 207.05659
  • Monoisotopic Mass: 207.056529
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 3
  • Hydrogen Bond Acceptor Count: 6
  • Heavy Atom Count: 13
  • Rotatable Bond Count: 6
  • Complexity: 197
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count : 2
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • Topological Polar Surface Area: 126
  • XLogP3: -2.8

Experimental Properties

  • Density: 1.365
  • Boiling Point: 429.2°Cat760mmHg
  • Flash Point: 213.4°C
  • Refractive Index: 1.559
  • PSA: 100.62
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