Prochlorperazine

Drug ingredient

CAS 58-38-8

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

US productionNot reported

Import value, 2024$13M

Top sourceGermany 54%

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

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 293430 · basket

These shares come from HS customs code 293430, which covers 19 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).

DE 54%GermanyIT 24%ItalyIN 8%IndiaCN 5%ChinaZA 4%South Africa

Canada
Switzerland
United Kingdom

5 FDA-registered drug labelers

Azico Biophore India Private Limited

Cosette Pharmaceuticals, Inc.

Padagis US LLC

PD-Rx Pharmaceuticals, Inc.

Trifarma S.p.A

Why It Matters

Sectors

Health

Downstream Uses

Appears in 2 drug and cosmetic product listings (FDA).

•Prochlorperazine
•Compro

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

$692.00/gA2B Chem LLC

CountryUnited States

Pack$346.00 / 500 mg

Purity99%

Vendors7 available

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

6 more vendors

Vendor	Country	$/g	Pack	Purity
AA BLOCKS	United States	$730.00	500 mg	99%
AstaTech (2 weeks)	United States	$1210.00	1 g	97%
Aaron Chemicals LLC	Hong Kong	$1308.00	250 mg	95%
Angene Chemical	China → Hong Kong	$1324.00	250 mg	95%
A2B Chem LLC (2 weeks)	United States	$1391000.00	1 mg	—
AA BLOCKS (2 weeks)	United States	$1425000.00	1 mg	—

Chemical Identity

CAS58-38-8

PubChem CID4917

DTXSIDDTXSID7023514

FormulaC20H24ClN3S

Mol. Weight373.9 g/mol

SMILESCN1CCN(CC1)CCCN2C3=CC=CC=C3SC4=C2C=C(C=C4)Cl

Data Sources

PubChem · compound 4917Retrieved 2026-04-07
FDA National Drug Code directoryRetrieved 2026-04-25
FDA National Drug Code directoryRetrieved 2026-04-07
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

Prochlorperazine (CAS 58-38-8) https://chemicalindependence.com/chemical/58-38-8/ PubChem: 4917. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/4917 FDA National Drug Code directory: CAS 58-38-8. 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/ US Census international trade: HS 293430 for CAS 58-38-8. Reporting year: 2024. https://usatrade.census.gov/