3-Methylpentanoic acid

CAS Registry Number®

105-43-1

CAS Name

3-Methylpentanoic acid

Molecular Formula

C6H12O2

Molecular Mass

116.16

Cite this Page

3-Methylpentanoic acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=105-43-1 (retrieved 2025-07-30) (CAS RN: 105-43-1).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    197.0 °C

  • Melting Point (2)

    38 °C

  • Density (3)

    0.9636 g/cm³ @ Temp: 30 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C6H12O2/c1-3-5(2)4-6(7)8/h5H,3-4H2,1-2H3,(H,7,8)

InChIKey

InChIKey=IGIDLTISMCAULB-UHFFFAOYSA-N

SMILES

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

Canonical SMILES

O=C(O)CC(C)CC

Other Names for this Substance

  • Pentanoic acid, 3-methyl-
  • Valeric acid, 3-methyl-
  • Valeric acid, β-methyl-
  • 3-Methylpentanoic acid
  • β-Methylvaleric acid

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Deleted or Replaced CAS Registry Numbers

22160-40-3

CAS INSIGHTSTM
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