disopyramide phosphate

Drug ingredient

CAS 22059-60-5

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

US productionNot reported

Import value, 2024$1.3B

Top sourceChina 32%

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 293339 · basket

These shares come from HS customs code 293339, which covers 397 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 32%ChinaIN 15%IndiaDE 10%GermanyBE 9%BelgiumCH 8%Switzerland

Taiwan
Ukraine
Sweden
Argentina
Canada
Finland
Malta
Israel
Netherlands
Denmark
United Arab Emirates
Mexico
Brunei
Slovakia
Australia
South Africa
Poland
Latvia
Lithuania
Estonia
Slovenia
Czech Republic
Croatia
Hong Kong

8 FDA-registered drug labelers

Archimica S.p.A.

Dr. Reddy's Labratories Inc.

Mayne Pharma Commercial LLC

Mylan Pharmaceuticals Inc.

PCAS FINLAND

Pfizer Laboratories Div Pfizer Inc

Sumitomo Chemical Company, Limited

Teva Pharmaceuticals USA, Inc.

Why It Matters

Sectors

Health

Downstream Uses

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

•Norpace CR
•Disopyramide Phosphate
•Norpace

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

$21.33/gSigma-Aldrich (Rush Stock)

CountryGermany

Pack$213.28 / 10 g

PurityNot recorded

Vendors10 available

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

9 more vendors

Vendor	Country	$/g	Pack	Purity
Sigma-Aldrich	Germany	$21.33	10 g	—
Combi-Blocks, Inc.	United States	$150.00	1 g	98%
MedKoo Biosciences, Inc	United States	$165.00	10 g	98%
Aaron Chemicals LLC	Hong Kong	$390.00	100 mg	97%
A2B Chem LLC	United States	$390.00	100 mg	97%
Angene Chemical	China → Hong Kong	$410.00	100 mg	97%
AA BLOCKS	United States	$480.00	100 mg	97%
MedChemExpress MCE	Sweden	$1222.10	100 mg	99.85%
Angene International Limited	United States	$2360.00	100 mg	98%

Chemical Identity

CAS22059-60-5

PubChem CID30928

DTXSIDDTXSID30944685

FormulaC21H32N3O5P

Mol. Weight437.5 g/mol

SMILESCC(C)N(CCC(C1=CC=CC=C1)(C2=CC=CC=N2)C(=O)N)C(C)C.OP(=O)(O)O

Data Sources

PubChem · compound 30928Retrieved 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

disopyramide phosphate (CAS 22059-60-5) https://chemicalindependence.com/chemical/22059-60-5/ PubChem: 30928. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/30928 FDA National Drug Code directory: CAS 22059-60-5. 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 293339 for CAS 22059-60-5. Reporting year: 2024. https://usatrade.census.gov/