Brinzolamide

Drug ingredient

CAS 138890-62-7

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

US productionNot reported

Import value, 2024$2.0B

Top sourceIreland 63%

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 293590 · basket

These shares come from HS customs code 293590, which covers 182 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).

IE 63%IrelandSG 14%SingaporeIN 7%IndiaCN 7%ChinaCH 2%Switzerland

Portugal
Spain
Italy
Austria
Israel
Hungary
Canada
South Korea
Netherlands
Finland
Poland
Indonesia
Ukraine
Mexico
South Africa
Croatia
Greece
Taiwan
Hong Kong

18 FDA-registered drug labelers

Alcon Laboratories, Inc.

Bausch & Lomb Incorporated

Biocon Limited

Bryant Ranch Prepack

CARBOGEN AMCIS AG

FDC Limited

Finorga S.A.S

Granules India Limited

Icrom S.r.l.

Indoco Remedies Limited

Industriale Chimica s.r.l.

Isomedix Operations Inc

MAHI DRUGS PRIVATE LIMITED

Neuland Laboratories Limited

Oceanside Pharmaceuticals.

Padagis US LLC

Sandoz Inc

SCI Pharmtech, Inc.

Why It Matters

Sectors

Health

Downstream Uses

Appears in 3 drug and cosmetic product listings (FDA).

•Azopt
•Brinzolamide
•Simbrinza

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

Chemical Identity

CAS138890-62-7

PubChem CID68844

DTXSIDDTXSID6045531

FormulaC12H21N3O5S3

Mol. Weight383.5 g/mol

SMILESCCNC1CN(S(=O)(=O)C2=C1C=C(S2)S(=O)(=O)N)CCCOC

Data Sources

PubChem · compound 68844Retrieved 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

Brinzolamide (CAS 138890-62-7) https://chemicalindependence.com/chemical/138890-62-7/ PubChem: 68844. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/68844 FDA National Drug Code directory: CAS 138890-62-7. 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 293590 for CAS 138890-62-7. Reporting year: 2024. https://usatrade.census.gov/