Flag of the United StatesAmerican Chemical Independence

phenytoin sodium

Drug ingredient

CAS 630-93-3

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

Molecular structure of 630-93-3
1 Na⁺
US productionNot reported
Import value, 2024$19M
Top sourceChina 55%

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

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 293321 · basket

These shares come from HS customs code 293321, which covers 22 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 55%ChinaTW 34%TaiwanIL 3%IsraelES 2%SpainIN 1%India
34 FDA-registered drug labelers
A-S Medication Solutions
Acella Pharmaceuticals, LLC
American Health Packaging
Amneal Pharmaceuticals LLC
Aphena Pharma Solutions - Tennessee, LLC
Aurobindo Pharma Limited
AvPAK
B.V. KATWIJK CHEMIE
Bryant Ranch Prepack
Coupler LLC
DIRECT RX
Golden State Medical Supply, Inc.
Harman Finochem Limited
Henry Schein, Inc.
HF Acquisition Co LLC, DBA HealthFirst
Hikma Pharmaceuticals USA Inc.
Lifestar Pharma LLC
Major Pharmaceuticals
Medical Purchasing Solutions, LLC
Medisca Inc.
Mylan Pharmaceuticals Inc.
NCS HealthCare of KY, LLC dba Vangard Labs
Pharmacia and Upjohn Company LLC
Professional Compounding Centers of America
Proficient Rx LP
ProPharma Distribution
RECORDATI INDUSTRIA CHIMICA E FARMACEUTICA SPA
REMEDYREPACK INC.
Spectrum Laboratory Products, Inc.
Sun Pharmaceutical Industries, Inc.
Swati Spentose Private Limited
Unichem Laboratories Limited, India
Unichem Pharmaceuticals (USA), Inc.
Viatris Specialty LLC

Why It Matters

Sectors
Health
Downstream Uses

Appears in 4 drug and cosmetic product listings (FDA).

  • •Phenytoin Sodium
  • •Dilantin
  • •Phenytek
  • •Extended Phenytoin Sodium
FDA Shortage Status
No FDA shortage records

Chemical Identity

CAS630-93-3
PubChem CID657302
DTXSIDDTXSID2023775
FormulaC15H11N2NaO2
Mol. Weight274.25 g/mol
SMILESC1=CC=C(C=C1)C2(C(=O)[N-]C(=O)N2)C3=CC=CC=C3.[Na+]

Data Sources

← Back to Dashboard← Back to Health

Brief citations

phenytoin sodium (CAS 630-93-3) https://chemicalindependence.com/chemical/630-93-3/ PubChem: 657302. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/657302 EPA TSCA Inventory: CAS 630-93-3. 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/ US Census international trade: HS 293321 for CAS 630-93-3. Reporting year: 2024. https://usatrade.census.gov/