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Substance Name: Cysteic acid
RN: 13100-82-8
UNII: A3OGP4C37W
InChIKey: XVOYSCVBGLVSOL-UHFFFAOYSA-N

Note

  • Beta-Sulfoalanine. An amino acid with a C-terminal sulfonic acid group which has been isolated from human hair oxidized with permanganate. It occurs normally in the outer part of the sheep's fleece, where the wool is exposed to light and weather.

Molecular Formula

  • C3-H7-N-O5-S

Molecular Weight

  • 169.1563
 
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Names and Synonyms

Name of Substance

  • Cysteic acid

MeSH Heading

  • Cysteic acid

Synonyms

  • 3-Sulfoalanine
  • beta-Sulfoalanine
  • Cysteate
  • Cysteic acid
  • DL-Cysteic acid
  • UNII-A3OGP4C37W

Systematic Name

  • Alanine, 3-sulfo-

Registry Numbers

CAS Registry Number

  • 13100-82-8

FDA UNII

  • A3OGP4C37W

System Generated Number

  • 0013100828

Structure Descriptors

InChI

1S/C3H7NO5S/c4-2(3(5)6)1-10(7,8)9/h2H,1,4H2,(H,5,6)(H,7,8,9)

InChIKey

XVOYSCVBGLVSOL-UHFFFAOYSA-N

Smiles

C(C(C(=O)O)N)S(=O)(=O)O

Physical Properties

Physical Property Value Units Temp (deg C) Source
pKa Dissociation Constant 1.89 (none) 25 EXP
log P (octanol-water) -6.200 (none)   EST
Atmospheric OH Rate Constant 3.95E-11 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.