(-)-Allantoin

Drug ingredient

CAS 7303-80-2

allantoin, (r)-

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

US productionNot reported

Top sourceNo public record

This chemical is not on EPA’s Toxic Substances Control Act inventory, the list behind EPA’s production survey.

Why supply is unknown

Where It Comes From

EPA and Census publish no US supply data for this chemical.

1 FDA-registered drug labeler

Better Planet Brands LLC

Why It Matters

Sectors

Health

Downstream Uses

Appears in 1 drug and cosmetic product listings (FDA).

•Scar Treatment Balm

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$12.00 / 500 g

Purity98%

Vendors32 available

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

31 more vendors

Vendor	Country	$/g	Pack	Purity
Angene Chemical	China → Hong Kong	$0.03	500 g	98%
Chemscene	United States	$0.06	1 kg	—
BLD Pharmatech Co., Limited	United States	$0.07	1 kg	98%
BLD Pharmatech GmbH	Germany	$0.07	1 kg	98%
BLD Pharmatech Ltd.	China	$0.07	1 kg	98%
Ambeed, Inc.	United States	$0.07	1 kg	98%
A2B Chem LLC	United States	$0.07	500 g	98%
AA BLOCKS	United States	$0.08	500 g	98%
Fluorochem EU	Germany	$0.11	100 g	95%
AK Scientific Specialized	United States	$0.12	1 kg	95%
AK Scientific, Inc.	United States	$0.21	500 g	98%
Sigma-Aldrich (Rush Stock)	Germany	$0.36	100 g	98%
Sigma-Aldrich	Germany	$0.36	100 g	98%
Angene International Limited	United States	$0.39	500 g	98%
MedKoo Biosciences, Inc	United States	$1.90	500 g	98%
MedChemExpress MCE	Sweden	$2.76	25 g	99.85%
Interbioscreen	Hong Kong	$75.00	10 g	95%
ChemNorm	China	$150.00	100 mg	98%
Molnova	China	$290.00	200 mg	99%
Labotest KG	Germany	$453.00	1000 mg	90%
Apexbio Technology LLC	United States	$500.00	100 mg	98%
AstaTech (2 weeks)	United States	$990.00	100 mg	95%
ChemFaces	China	$1500.00	20 mg	98%
Maybridge, Ltd.	United Kingdom	$2414.30	100 mg	90%
Otava, Ltd. (2 weeks)	Ukraine	$2724.00	50 mg	90%
ChemDiv, Inc.	United States	$4070.00	100 mg	90%
Angene	China → Hong Kong	$4266.67	30 mg	98%
Key Organics Ltd.	United Kingdom	$6900.00	10 mg	98%
Vitas M Chemical Limited	Hong Kong	$14000.00	5 mg	90%
Princeton BioMolecular Research (SC)	United States	$18000.00	5 mg	90%
TimTec, LLC (back-ordered)	United States	$32000.00	15 mg	94%

Chemical Identity

CAS7303-80-2

PubChem CID439713

DTXSIDDTXSID30904502

FormulaC4H6N4O3

Mol. Weight158.12 g/mol

SMILESC1(C(=O)NC(=O)N1)NC(=O)N

Data Sources

PubChem · compound 439713Retrieved 2026-04-07
FDA National Drug Code directoryRetrieved 2026-04-25
FDA National Drug Code directoryRetrieved 2026-04-07

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Brief citations

(-)-Allantoin (CAS 7303-80-2) https://chemicalindependence.com/chemical/7303-80-2/ PubChem: 439713. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/439713 FDA National Drug Code directory: CAS 7303-80-2. Retrieved 2026-04-25. https://open.fda.gov/data/ndc/ FDA National Drug Code directory: bulk match. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/