Chlorhexidine

Drug ingredient

CAS 55-56-1

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

Molecular structure of 55-56-1
US productionNot reported
Import value, 2024$240M
Top sourceChina 37%

EPA lists this chemical for 2023 but publishes zero or no volume for both production and imports.

Why supply is unknown

Production is reported production, not a complete census of factories. Production reporting year: 2023. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 292529 · basket

EPA reports by year
2023
US production Not published · Imports Not published

These shares come from HS customs code 292529, which covers 64 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 37%ChinaDE 19%GermanyES 9%SpainIT 8%ItalyID 8%Indonesia
Domestic parents -- activity not disclosed (1)
Cps Performance Materials
8 FDA-registered drug labelers
AVA, Inc.
Bajaj healthcare Ltd
Cadila Pharmaceuticals Limited
Dongkou County Hecheng Network Technology Co., Ltd.
Guangzhou Jingze Jiexin Electronics Co Ltd
Medichem S.A.
SHENZHEN BENLIJU BIO-TECH CO.,LTD
Xttrium Laboratories, Inc.

Why It Matters

Sectors
HealthCore Chemicals
Downstream Uses

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

  • •Wart Remover Ointmen t
  • •Wart Remover
  • •Antiseptic Cleaning wipe
  • •Plongtui Genital Warts Remover
FDA Shortage Status
No FDA shortage records

Industrial Uses

  • •Intermediate in All Other Basic Organic Chemical ManufacturingProcessing as a reactant

Vendor Pricing

$0.38/gAaron Chemicals LLC
CountryHong Kong
Pack$191.00 / 500 g
Purity99%
Vendors20 available

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

Chemical Identity

CAS55-56-1
PubChem CID9552079
DTXSIDDTXSID2033314
FormulaC22H30Cl2N10
Mol. Weight505.4 g/mol
SMILESC1=CC(=CC=C1NC(=NC(=NCCCCCCN=C(N)N=C(N)NC2=CC=C(C=C2)Cl)N)N)Cl

Data Sources

Brief citations

Chlorhexidine (CAS 55-56-1) https://chemicalindependence.com/chemical/55-56-1/ PubChem: 9552079. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/9552079 EPA Chemical Data Reporting: 55-56-1. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting FDA National Drug Code directory: bulk match. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/ US Census international trade: HS 292529 for CAS 55-56-1. Reporting year: 2024. https://usatrade.census.gov/