ChemAbout
© 2026 ChemAbout
Insights|Privacy Policy|Terms of Service|[email protected]
Home/Compounds/API/Phenylbutyric acid
C10H12O2
164.2 g/mol
APIWarning

4-PHENYLBUTYRIC ACID

CAS1821-12-1EC217-341-8
Category
API
Compound Class
Organic Acid
Primary Use
Pharmaceutical Raw Material

4-Phenylbutyric acid is an aromatic fatty acid that is the active component of the salt sodium phenylbutyrate. It is used as a pharmaceutical raw material, particularly as a histone deacetylase inhibitor in manufacturing and research applications.

pharmaceutical intermediatehistone deacetylase inhibitor for research

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

Sourcing or supplying this compound?

List your inventory or post a purchase request

CAS 1821-12-1

List This Product
Sign in to publish supply information
Request This Product
Submit a request without registering

Related Compounds

SimilarStructure SimilarSimilarity 0.83

11-Phenylundecanoic acid

CAS3343-24-6

research compound

SimilarStructure SimilarSimilarity 0.83

12-Phenyllauric acid

CAS14507-27-8

research compound

SimilarStructure SimilarSimilarity 0.83

9-phenylnonanoic acid

CAS16269-06-0

research compound

SimilarStructure SimilarSimilarity 0.83

10-Phenyldecanoic acid

CAS18017-73-7

pharmaceutical intermediate

ReferenceSame Category

Azd 0156

CAS1821428-35-6

pharmaceutical raw material

ReferenceSame Category

Rupatadine fumarate

CAS182349-12-8

pharmaceutical raw material

ReferenceSame Category

1-demethyl-4,5-dihydrodiazepam

CAS1824-69-7

pharmaceutical raw material

ReferenceSame Category

Oxazepam acetate

CAS1824-74-4

pharmaceutical raw material

Safety Reference

Harmful
Harmful
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Identifiers
IUPAC Name

4-phenylbutanoic acid

InChIKey

OBKXEAXTFZPCHS-UHFFFAOYSA-N

SMILES

C1=CC=C(C=C1)CCCC(=O)O

Synonyms (36)
  • 1-Phenylbutyric acid
  • 2ay7
  • 3-phenylpropylcarboxylic acid
  • 3tz2
  • 4-PBA;Benzenebutyric acid
  • 4-PHENYLBUTYRIC ACID
  • 4-Phenyl-n-butyrate
  • 4-Phenyl-n-butyric acid
  • 4-Phenylbutanoic acid
  • 4-Phenylbutyric acid (4-PBA)
  • 4-phenyl-Butyrate
  • Benzenebutanoate
  • Benzenebutanoic acid
  • Benzenebutyrate
  • Benzenebutyric acid
  • Butyric acid, 4-phenyl-
  • PHENYLBUTANOIC ACID
  • Phenylbutyrate
  • Phenylbutyrate (Acid)
  • Phenylbutyric acid
  • g-Phenylbutanoate
  • g-Phenylbutanoic acid
  • g-Phenylbutyrate
  • g-Phenylbutyric acid
  • gamma-Phenyl-n-butyric acid
  • gamma-Phenylbutanoate
  • gamma-Phenylbutanoic acid
  • gamma-Phenylbutyrate
  • gamma-Phenylbutyric acid
  • omega-Phenylbutanoate
  • omega-Phenylbutanoic acid
  • omega-phenylbutyric acid
  • w-Phenylbutanoate
  • w-Phenylbutanoic acid