Chlorcyclizine hydrochloride

Drug ingredient

CAS 1620-21-9

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

Molecular structure of 1620-21-9 — 1 HCl

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.

3 FDA-registered drug labelers

Magna Pharmaceuticals, Inc.

Olon SpA

Srikem Laboratories Pvt. Ltd.

Why It Matters

Sectors

Health

Downstream Uses

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

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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

$473.00/gA2B Chem LLC

CountryUnited States

Pack$473.00 / 1 g

Purity98%

Vendors7 available

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

6 more vendors

Vendor	Country	$/g	Pack	Purity
MedChemExpress MCE	Sweden	$474.32	500 mg	99.77%
AA BLOCKS	United States	$525.00	1 g	98%
Cayman Europe	Estonia	$753.27	1 g	98%
Angene International Limited	United States	$754.00	500 mg	98%
Aaron Chemicals LLC	Hong Kong	$839.00	1 g	99%
TimTec, LLC	United States	$9333.33	30 mg	90%

Chemical Identity

CAS1620-21-9

PubChem CID62413

DTXSIDDTXSID7045360

FormulaC18H22Cl2N2

Mol. Weight337.3 g/mol

SMILESCN1CCN(CC1)C(C2=CC=CC=C2)C3=CC=C(C=C3)Cl.Cl

Data Sources

PubChem · compound 62413Retrieved 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

Chlorcyclizine hydrochloride (CAS 1620-21-9) https://chemicalindependence.com/chemical/1620-21-9/ PubChem: 62413. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/62413 FDA National Drug Code directory: CAS 1620-21-9. 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/