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methohexital sodium

Drug ingredient

CAS 309-36-4

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

Molecular structure of 309-36-4
1 Na⁺
US productionNot reported
Import value, 2024$2M
Top sourceSingapore 66%

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 293354 · basket

These shares come from HS customs code 293354, which covers 13 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
SG 66%SingaporeHU 25%HungaryDE 6%GermanyCN 2%China
3 FDA-registered drug labelers
Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc.
ONESOURCE SPECIALTY PHARMA LIMITED
Par Health USA, LLC

Why It Matters

Sectors
Health
Downstream Uses

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

  • •Brevital Sodium
  • •Methohexital Sodium
FDA Shortage Status
No FDA shortage records

Chemical Identity

CAS309-36-4
PubChem CID23690443
DTXSIDDTXSID6026036
FormulaC14H17N2NaO3
Mol. Weight284.29 g/mol
SMILESCCC#CC(C)C1(C(=O)N=C(N(C1=O)C)[O-])CC=C.[Na+]

Data Sources

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Brief citations

methohexital sodium (CAS 309-36-4) https://chemicalindependence.com/chemical/309-36-4/ PubChem: 23690443. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/23690443 FDA National Drug Code directory: CAS 309-36-4. 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 293354 for CAS 309-36-4. Reporting year: 2024. https://usatrade.census.gov/