dnoc

Drug ingredient

CAS 534-52-1

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

US productionNot reported

Top sourceNo public record

This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.

Why supply is unknown

Where It Comes From

Customs basis: HS 290892 · narrow

EPA and Census publish no US supply data for this chemical.

1 FDA-registered drug labeler

Professional Complementary Health Formulas

Why It Matters

Sectors

Health

Downstream Uses

Appears in 1 drug and cosmetic product listings (FDA).

•Nitro-Thio Combination 9318

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

CAS534-52-1

PubChem CID10800

DTXSIDDTXSID1022053

FormulaC7H6N2O5

Mol. Weight198.13 g/mol

SMILESCC1=CC(=CC(=C1O)[N+](=O)[O-])[N+](=O)[O-]

Data Sources

PubChem · compound 10800Retrieved 2026-04-07
EPA TSCA InventoryRetrieved 2026-04-24
FDA National Drug Code directoryRetrieved 2026-04-07

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Brief citations

dnoc (CAS 534-52-1) https://chemicalindependence.com/chemical/534-52-1/ PubChem: 10800. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/10800 EPA TSCA Inventory: CAS 534-52-1. Retrieved 2026-04-24. https://www.epa.gov/tsca-inventory FDA National Drug Code directory: bulk match. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/