manganese dioxide

Drug ingredient

CAS 197667-28-0

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

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.

2 FDA-registered drug labelers

Hahnemann Laboratories, INC.

Seroyal USA

Why It Matters

Sectors

Health

Downstream Uses

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

•Manganum Oxydatum Nigrum
•UNDA 22

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

$0.22/gSigma-Aldrich (Rush Stock)

CountryGermany

Pack$552.68 / 2.5 kg

Purity90%

Vendors5 available

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

4 more vendors

Vendor	Country	$/g	Pack	Purity
Sigma-Aldrich	Germany	$0.22	2.5 kg	90%
AK Scientific, Inc.	United States	$0.25	500 g	90%
Asinex	Netherlands	$6461.40	100 mg	90%
TimTec, LLC (back-ordered)	United States	$32000.00	15 mg	94%

Chemical Identity

CAS197667-28-0

PubChem CID14801

DTXSIDDTXSID501314019

FormulaMnO2

Mol. Weight86.937 g/mol

SMILESO=[Mn]=O

Data Sources

PubChem · compound 14801Retrieved 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

manganese dioxide (CAS 197667-28-0) https://chemicalindependence.com/chemical/197667-28-0/ PubChem: 14801. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/14801 FDA National Drug Code directory: CAS 197667-28-0. 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/