zolpidem tartrate

Drug ingredient

CAS 99294-93-6

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

US productionNot reported

Import value, 2024$1.4B

Top sourceIreland 33%

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 293399 · basket

These shares come from HS customs code 293399, which covers 518 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).

IE 33%IrelandCN 26%ChinaIN 11%IndiaDE 9%GermanyIT 4%Italy

Taiwan
Poland
Canada
Ivory Coast
Greece
Hungary
Indonesia
Latvia
Belgium
Slovakia
Czech Republic
Austria
Netherlands
Finland
Denmark
Croatia
Australia
South Africa
Sweden
Hong Kong
Malta
Singapore
Lithuania
Malaysia
Oman
Serbia

46 FDA-registered drug labelers

A-S Medication Solutions

AARTI DRUGS LTD

ACI Healthcare USA, Inc

Advanced Rx of Tennessee, LLC

Advanced Rx Pharmacy of Tennessee, LLC

Alivus Life Sciences Limited

Almatica Pharma LLC

American Health Packaging

Aphena Pharma Solutions - Tennessee, LLC

Asclemed USA, Inc.

Assia Chemical Industries Ltd - Teva Tech Site

Aurobindo Pharma Limited

Breckenridge Pharmaceutical, Inc.

Bryant Ranch Prepack

Calvin Scott & Co., Inc.

Cambrex Profarmaco Milano Srl

Cardinal Health 107, LLC

Chartwell RX, LLC

Cosette Pharmaceuticals, Inc.

DIRECT RX

ENDO USA, Inc.

Farmak, a,s

Golden State Medical Supply, Inc.

Lake Erie Medical DBA Quality Care Products LLC

Lupin Pharmaceuticals, Inc.

Major Pharmaceuticals

Matrix Pharmacorp Private Limited

NorthStar Rx LLC

Northwind Health Company, LLC

NuCare Pharmaceuticals, Inc

PD-Rx Pharmaceuticals, Inc.

Preferred Pharmaceuticals Inc.

Proficient Rx LP

Quality Care Products LLC

REMEDYREPACK INC.

Sandoz Inc

Sanofi-Aventis U.S. LLC

ST. MARY'S MEDICAL PARK PHARMACY

SUN PHARMACEUTICAL INDUSTRIES, INC.

Teva API India Limited

Teva Pharmaceuticals USA, Inc.

The ACME Laboratories Ltd.

Torrent Pharmaceuticals Limited

Unichem Laboratories Limited, India

Uquifa Mexico, S.A. DE C.V.

Viatris Specialty LLC

Why It Matters

Sectors

Health

Downstream Uses

Appears in 6 drug and cosmetic product listings (FDA).

•Zolpidem
•Zolpidem Tartrate
•Ambien
•Ambien CR
•Edluar
•Zolpidem tartrate sublingual

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

CAS99294-93-6

PubChem CID441338

DTXSIDDTXSID00912795

FormulaC42H48N6O8

Mol. Weight764.9 g/mol

SMILESCC1=CC=C(C=C1)C2=C(N3C=C(C=CC3=N2)C)CC(=O)N(C)C.CC1=CC=C(C=C1)C2=C(N3C=C(C=CC3=N2)C)CC(=O)N(C)C.C(C(C(=O)O)O)(C(=O)O)O

Data Sources

PubChem · compound 441338Retrieved 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

zolpidem tartrate (CAS 99294-93-6) https://chemicalindependence.com/chemical/99294-93-6/ PubChem: 441338. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/441338 FDA National Drug Code directory: CAS 99294-93-6. 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 293399 for CAS 99294-93-6. Reporting year: 2024. https://usatrade.census.gov/