Valproic Acid (CAS 99-66-1) Sigma-Aldrich

Valproic Acid molecular structure — Molecular structure

The Sigma-Aldrich catalog lists 6 grades and pack sizes of Valproic Acid (CAS 99-66-1). Pick the code you need and request a quote for price and lead time from Klar Chem.

CAS	99-66-1
Molecular formula	C8H16O2
Molecular weight	144.21 g/mol
IUPAC name	2-propylpentanoic acid
Synonyms	2-Propylpentanoic acid · 2-Propylvaleric acid · Dipropylacetic acid · Depakene · Depakine · Mylproin

Safety & Hazards (GHS) Danger

Irritant

Health hazard

H302 Harmful if swallowed
H315 Causes skin irritation
H319 Causes serious eye irritation
H360 May damage fertility or the unborn child

⚠️ 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	2-PROPYLPENTANOIC ACID FREE ACID	P6273-100ML	Request Quote
Sigma	VALPROIC ACID	1708707-500MG PHR1061-1G V-006-1ML V0033000	Request Quote
Sigma	VALPROIC ACID FOR SYSTEM SUITABILITY	Y0001422	Request Quote

For information only; specifications and availability are confirmed at quotation. Prices are not listed.