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Isovaleric Acid

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Isovaleric Acid molecular structure
Molecular structure

The Sigma-Aldrich catalog lists 13 grades and pack sizes of Isovaleric Acid (CAS 503-74-2). Pick the code you need and request a quote for price and lead time from Klar Chem.

CAS503-74-2
Molecular formulaC5H10O2
Molecular weight102.13 g/mol
IUPAC name3-methylbutanoic acid
Synonyms3-Methylbutanoic acid · Isopentanoic acid · 3-Methylbutyric acid · Isopropylacetic acid · Delphinic acid · Butanoic acid, 3-methyl-
Safety & Hazards (GHS) Danger
Corrosive Corrosive
  • H314 Causes severe skin burns and eye damage
  • H318 Causes serious eye damage

⚠️ For information only (source: EU CLP harmonised classification and ECHA notifications, via PubChem); not a substitute for the official Safety Data Sheet (SDS).

Catalog codes and grades

Brand Product / grade Code
Sigma ISOVALERIC ACID 78651-1ML
78651-5ML
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Sigma ISOVALERIC ACID, 99% 129542-100ML
129542-1L
129542-500ML
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Sigma ISOVALERIC ACID, >=98%, NATURAL, FG W310212-1KG-K
W310212-5KG-K
W310212-SAMPLE-K
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Sigma ISOVALERIC ACID, >=99%, FCC, FG W310204-10KG
W310204-1KG
W310204-20KG
W310204-5KG
W310204-SAMPLE
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For information only; specifications and availability are confirmed at quotation. Prices are not listed.