tetrakis(2-methoxyisobutylisocyanide)copper(i) tetrafluoroborate

Drug ingredient

CAS 103694-84-4

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

Molecular structure of 103694-84-4 — 1 Cu⁺

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.

5 FDA-registered drug labelers

Curium US LLC

Jubilant HollisterStier LLC

Lantheus Medical Imaging, Inc.

Sigma-Aldrich Corporation

Sterling Pharma Solutions Limited

Why It Matters

Sectors

Health

Downstream Uses

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

•Kit for the Preparation of Technetium Tc99m Sestamibi
•Technetium Tc 99m Sestamibi
•Cardiolite

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

CAS103694-84-4

PubChem CID92043160

DTXSIDDTXSID601026679

FormulaC24H44BCuF4N4O4

Mol. Weight603 g/mol

SMILES[B-](F)(F)(F)F.CC(C)(C[N+]#[C-])OC.CC(C)(C[N+]#[C-])OC.CC(C)(C[N+]#[C-])OC.CC(C)(C[N+]#[C-])OC.[Cu+]

Data Sources

PubChem · compound 92043160Retrieved 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

tetrakis(2-methoxyisobutylisocyanide)copper(i) tetrafluoroborate (CAS 103694-84-4) https://chemicalindependence.com/chemical/103694-84-4/ PubChem: 92043160. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/92043160 FDA National Drug Code directory: CAS 103694-84-4. 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/