2-Mercaptobutanoic acid

CAS Registry Number®

26473-48-3

CAS Name

2-Mercaptobutanoic acid

Molecular Formula

C4H8O2S

Molecular Mass

120.17

Cite this Page

2-Mercaptobutanoic acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=26473-48-3 (retrieved 2024-11-22) (CAS RN: 26473-48-3).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    117-118 °C @ Press: 11 Torr

  • Melting Point (1)

    -8.7 °C

  • Density (1)

    1.1497 g/cm³ @ Temp: 6 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C4H8O2S/c1-2-3(7)4(5)6/h3,7H,2H2,1H3,(H,5,6)

InChIKey

InChIKey=CFPHMAVQAJGVPV-UHFFFAOYSA-N

SMILES

C(C(O)=O)(CC)S

Canonical SMILES

O=C(O)C(S)CC

Other Names for this Substance

  • Butanoic acid, 2-mercapto-
  • Butyric acid, 2-mercapto-
  • 2-Mercaptobutanoic acid
  • α-Mercaptobutyric acid
  • 2-Mercaptobutyric acid

View All

Deleted or Replaced CAS Registry Numbers

132958-58-8

CAS INSIGHTSTM
Targeted protein degrader structure, illustration