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Estazolam

Drug ingredient

CAS 29975-16-4

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

Molecular structure of 29975-16-4
US productionNot reported
Import value, 2024$10M
Top sourceItaly 73%

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 293391 · basket

These shares come from HS customs code 293391, which covers 14 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
IT 73%ItalyIN 21%IndiaIL 4%IsraelFI 1%Finland
6 FDA-registered drug labelers
Actavis Pharma, Inc.
Cambrex Profarmaco Milano Srl
Dr. Reddy's Labratories Inc.
F.I.S. FABBRICA ITALIANA SINTETICI S.P.A.
Novitium Pharma LLC
NURAY CHEMICALS PRIVATE LIMITED

Why It Matters

Sectors
Health
Downstream Uses

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

  • •Estazolam
FDA Shortage Status
No FDA shortage records

Chemical Identity

CAS29975-16-4
PubChem CID3261
DTXSIDDTXSID5020572
FormulaC16H11ClN4
Mol. Weight294.74 g/mol
SMILESC1C2=NN=CN2C3=C(C=C(C=C3)Cl)C(=N1)C4=CC=CC=C4

Data Sources

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Brief citations

Estazolam (CAS 29975-16-4) https://chemicalindependence.com/chemical/29975-16-4/ PubChem: 3261. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/3261 FDA National Drug Code directory: CAS 29975-16-4. 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/ US Census international trade: HS 293391 for CAS 29975-16-4. Reporting year: 2024. https://usatrade.census.gov/