Cephalexin

Drug ingredient

CAS 15686-71-2

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

US productionNot reported

Import value, 2024$546M

Top sourceItaly 41%

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 294190 · basket

These shares come from HS customs code 294190, which covers 90 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).

IT 41%ItalyCN 24%ChinaDK 9%DenmarkHR 6%CroatiaIN 6%India

United Kingdom
Slovakia
Slovenia
Mexico
Canada
Germany
Belgium
Japan
Switzerland
Netherlands
Czech Republic
Uruguay
South Korea
Hong Kong
Portugal
Australia

32 FDA-registered drug labelers

A-S Medication Solutions

ACS Dobfar S.p.A

ADVANCED RX PHARMACY OF TENNESSEE, LLC

AMELLA PHARMA, LLC

American Health Packaging

Ascend Laboratories, LLC

ASCLEMED USA INC.

Aurobindo Pharma Limited

AvKARE

AvPAK

Brisk Pharmaceuticals

Bryant Ranch Prepack

CENTRIENT PHARMACEUTICALS SPAIN S.A.

Chartwell RX, LLC

Coupler, LLC

Cronus Pharma LLC

DIRECT RX

Lupin Pharmaceuticals, Inc.

Major Pharmaceuticals

Northwind Health Company, LLC

Northwind Pharmaceuticals, LLC

NuCare Pharmaceuticals, Inc.

PD-Rx Pharmaceuticals, Inc.

Pharma-C, Inc.

Pharmasource Meds, LLC

Preferred Pharmaceuticals Inc.

Preferred Pharmaceuticlas Inc.

Proficient Rx LP

QPharma Inc

REMEDYREPACK INC.

Sportpharm LLC

Teva Pharmaceuticals USA, Inc.

Why It Matters

Sectors

Health

Downstream Uses

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

•Cephalexin

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

Vendor Pricing

$45.00/gMolnova

CountryChina

Pack$45.00 / 1 g

Purity99%

Vendors2 available

Prices reflect listed pack sizes. Small research packs run far above bulk rates.

1 more vendor

Vendor	Country	$/g	Pack	Purity
MedKoo Biosciences, Inc	United States	$65.00	10 g	98%

Chemical Identity

CAS15686-71-2

PubChem CID27447

DTXSIDDTXSID9022780

FormulaC16H17N3O4S

Mol. Weight347.4 g/mol

SMILESCC1=C(N2C(C(C2=O)NC(=O)C(C3=CC=CC=C3)N)SC1)C(=O)O

Data Sources

PubChem · compound 27447Retrieved 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

Cephalexin (CAS 15686-71-2) https://chemicalindependence.com/chemical/15686-71-2/ PubChem: 27447. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/27447 FDA National Drug Code directory: CAS 15686-71-2. 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 294190 for CAS 15686-71-2. Reporting year: 2024. https://usatrade.census.gov/