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Home/Compounds/Flavor & Fragrance/Cis-4-coumaric acid
C9H8O3
164.16 g/mol
Flavor & Fragrance

Cis-p-Coumaric acid

CAS4501-31-9EC224-813-7
Category
Flavor & Fragrance
Compound Class
Aromatic
Primary Use
flavor and fragrance intermediate

cis-p-Coumaric acid is one of the three isomers of coumaric acid, appearing as a white solid that is slightly soluble in water and very soluble in ethanol and diethyl ether. It is an organic compound used primarily as an intermediate in the flavor and fragrance industry.

flavor and fragrance intermediate

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.

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Related Compounds

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flavor and fragrance intermediate

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1-(p-methoxyphenyl)-2-propanone

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flavor and fragrance intermediate

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2-methylhexanoic acid

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medium-chain fatty acid

ReferenceSame Category

(2E/Z,6E/Z)-farnesol

CAS4602-84-0

Perfumery and flavoring agent

ReferenceSame Category

Valencene

CAS4630-07-3

citrus flavor and fragrance ingredient

ReferenceSame Category

(+)-borneol

CAS464-43-7

fragrance ingredient

Customs Tariff Classification

The international HS code for Cis-p-Coumaric acid (CAS 4501-31-9) is 2918.29.

HS code (international, 6-digit)

2918.29

EU CN code (8-digit)

2918 29 00

Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.

Identifiers
IUPAC Name

(Z)-3-(4-hydroxyphenyl)prop-2-enoic acid

InChIKey

NGSWKAQJJWESNS-UTCJRWHESA-N

SMILES

C1=CC(=CC=C1/C=C\C(=O)O)O

Synonyms (18)
  • (Z)-p-Coumaric acid
  • (Z)-p-hydroxycinnamic acid
  • cis-4-Hydroxycinnamic acid
  • cis-4-coumaric acid
  • cis-p-Coumarate
  • cis-p-Coumaric acid
  • cis-p-Coumarinic acid
  • cis-p-Cumaric acid
  • cis-p-Hydroxycinnamic acid

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