Carbimazole

Drug ingredient

CAS 22232-54-8

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

US productionNot reported

Import value, 2024$114M

Top sourceChina 26%

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 293329 · basket

These shares come from HS customs code 293329, which covers 173 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 26%ChinaIN 17%IndiaKR 16%South KoreaDE 9%GermanyIT 9%Italy

Australia
Brazil
Czech Republic
Ireland
Sweden
Ukraine
Poland
United Arab Emirates
Hungary
Israel
Netherlands
Canada
Saudi Arabia
Greece
Belgium
Austria
Latvia
Singapore
Denmark

1 FDA-registered drug labeler

Maithri Drugs Private Limited

Why It Matters

Sectors

Health

Downstream UsesNot recorded

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

$1.43/gCombi-Blocks, Inc.

CountryUnited States

Pack$715.00 / 500 g

Purity98%

Vendors24 available

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

23 more vendors

Vendor	Country	$/g	Pack	Purity
A2B Chem LLC	United States	$1.52	500 g	97%
AA BLOCKS	United States	$1.60	500 g	97%
BLD Pharmatech Ltd.	China	$2.02	100 g	97%
Aaron Chemicals LLC	Hong Kong	$2.05	100 g	97%
Angene Chemical	China → Hong Kong	$2.21	100 g	97%
Ambeed, Inc.	United States	$2.22	100 g	97%
BLD Pharmatech Co., Limited	United States	$2.44	25 g	97%
BLD Pharmatech GmbH	Germany	$2.44	25 g	97%
Fluorochem EU	Germany	$2.86	25 g	98%
AK Scientific Specialized	United States	$4.20	100 g	95%
AK Scientific, Inc.	United States	$5.25	100 g	98%
Angene International Limited	United States	$8.41	100 g	98%
ALFA AESAR	Germany	$9.17	25 g	97%
Cayman Europe	Estonia	$9.48	100 g	98%
MedKoo Biosciences, Inc	United States	$30.00	25 g	98%
Apexbio Technology LLC	United States	$37.60	5 g	99.99%
AstaTech (2 weeks)	United States	$66.50	10 g	97%
Molnova	China	$82.00	500 mg	99%
MedChemExpress MCE	Sweden	$93.17	1 g	99.92%
TargetMol Chemicals	China → United States	$145.00	200 mg	99.98%
Labotest KG	Germany	$217.80	5000 mg	90%
Angene	China → Hong Kong	$4266.67	30 mg	97%
Key Organics Ltd.	United Kingdom	$6900.00	10 mg	99%

Chemical Identity

CAS22232-54-8

PubChem CID31072

DTXSIDDTXSID9022736

FormulaC7H10N2O2S

Mol. Weight186.23 g/mol

SMILESCCOC(=O)N1C=CN(C1=S)C

Data Sources

PubChem · compound 31072Retrieved 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

Carbimazole (CAS 22232-54-8) https://chemicalindependence.com/chemical/22232-54-8/ PubChem: 31072. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/31072 FDA National Drug Code directory: CAS 22232-54-8. 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 293329 for CAS 22232-54-8. Reporting year: 2024. https://usatrade.census.gov/