cinnamic acid

Drug ingredient

CAS 140-10-3

This chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.

US productionNot reported

Import value, 2024$84M

Top sourceChina 63%

This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.

Why supply is unknown

Production is reported production, not a complete census of factories. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 291639 · basket

These shares come from HS customs code 291639, which covers 229 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries

Country of origin for US imports, from Census customs data (2024).

CN 63%ChinaIT 19%ItalyIN 8%IndiaDE 4%GermanyCH 3%Switzerland

Spain
Ukraine
Singapore
Turkey
Norway
Czech Republic
Taiwan
South Korea
Japan
Mexico
New Zealand
Canada
Sweden
Hong Kong
Latvia

4 FDA-registered drug labelers

Deseret Biologicals, Inc.

Dr. Donna Restivo DC

Energique, Inc.

Professional Complementary Health Formulas

Why It Matters

Sectors

Health

Downstream Uses

Appears in 8 drug and cosmetic product listings (FDA).

•Dairy Allergen Mix
•Perfumox 6028
•Respiratory Plus
•BACT Combination
•Multi-Phenolic
•Allermilk
•Cinnamic Acid 1511
•Sugar Cravings

FDA Shortage Status

Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."

No FDA shortage records

Vendor Pricing

$0.02/gAaron Chemicals LLC

CountryHong Kong

Pack$9.00 / 500 g

Purity98%

Vendors6 available

Prices reflect listed pack sizes. Small research packs run far above bulk rates.

5 more vendors

Vendor	Country	$/g	Pack	Purity
AA BLOCKS	United States	$0.04	1 kg	98%
TargetMol Chemicals	China → United States	$129.00	1 g	99.94%
TargetMol Chemicals EU	Austria	$178.00	500 mg	99.94%
AA BLOCKS (2 weeks)	United States	$336.40	5 g	95%
Apexbio Technology LLC	United States	$360.00	200 mg	99.75%

Chemical Identity

CAS140-10-3

PubChem CID444539

DTXSIDDTXSID5022489

FormulaC9H8O2

Mol. Weight148.16 g/mol

SMILESC1=CC=C(C=C1)C=CC(=O)O

Data Sources

PubChem · compound 444539Retrieved 2026-04-07
EPA TSCA InventoryRetrieved 2026-04-24
FDA National Drug Code directoryRetrieved 2026-04-07
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

cinnamic acid (CAS 140-10-3) https://chemicalindependence.com/chemical/140-10-3/ PubChem: 444539. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/444539 EPA TSCA Inventory: CAS 140-10-3. Retrieved 2026-04-24. https://www.epa.gov/tsca-inventory FDA National Drug Code directory: bulk match. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/ US Census international trade: HS 291639 for CAS 140-10-3. Reporting year: 2024. https://usatrade.census.gov/