Atracurium besylate

Drug ingredient

CAS 64228-81-5

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

US productionNot reported

Import value, 2024$111M

Top sourceIndia 28%

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 293349 · basket

These shares come from HS customs code 293349, which covers 94 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).

IN 28%IndiaCN 27%ChinaSE 12%SwedenKR 10%South KoreaGB 4%United Kingdom

Spain
Portugal
Germany
Netherlands
Israel
Australia
Taiwan
Lithuania
South Africa
Hong Kong

5 FDA-registered drug labelers

AuroMedics Pharma LLC

Curia Italy S.r.l.

Farmhispania, S.A.

Hospira, Inc.

Meitheal Pharmaceuticals Inc.

Why It Matters

Sectors

Health

Downstream Uses

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

•Atracurium Besylate

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

$9.04/gAaron Chemicals LLC

CountryHong Kong

Pack$226.00 / 25 g

Purity98%

Vendors21 available

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

20 more vendors

Vendor	Country	$/g	Pack	Purity
Angene Chemical	China → Hong Kong	$9.72	25 g	98%
A2B Chem LLC	United States	$9.84	25 g	98%
BLD Pharmatech GmbH	Germany	$12.84	25 g	98%
BLD Pharmatech Ltd.	China	$12.84	25 g	98%
AA BLOCKS	United States	$12.84	25 g	98%
AK Scientific Specialized	United States	$12.84	25 g	95%
BLD Pharmatech Co., Limited	United States	$14.12	25 g	98%
Ambeed, Inc.	United States	$14.12	25 g	98%
Angene International Limited	United States	$21.12	25 g	95%
Fulfilled by Molport	Latvia	$40.00	250 mg	98%
Molnova	China	$454.00	500 mg	99%
TargetMol Chemicals	China → United States	$504.00	500 mg	99.71%
AK Scientific, Inc.	United States	$577.00	1 g	98%
Apexbio Technology LLC	United States	$690.00	500 mg	95.46%
MedChemExpress MCE	Sweden	$791.34	500 mg	99.13%
Sigma-Aldrich (Rush Stock)	Germany	$1406.65	200 mg	—
Sigma-Aldrich	Germany	$1406.65	200 mg	—
Cayman Europe	Estonia	$2201.50	100 mg	95%
Angene	China → Hong Kong	$4266.67	30 mg	98%
CliniSciences GmbH	Switzerland	$6063.00	10 mg	98%

Chemical Identity

CAS64228-81-5

PubChem CID47320

DTXSIDDTXSID6022630

FormulaC65H82N2O18S2

Mol. Weight1243.5 g/mol

SMILESC[N+]1(CCC2=CC(=C(C=C2C1CC3=CC(=C(C=C3)OC)OC)OC)OC)CCC(=O)OCCCCCOC(=O)CC[N+]4(CCC5=CC(=C(C=C5C4CC6=CC(=C(C=C6)OC)OC)OC)OC)C.C1=CC=C(C=C1)S(=O)(=O)[O-].C1=CC=C(C=C1)S(=O)(=O)[O-]

Data Sources

PubChem · compound 47320Retrieved 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

Atracurium besylate (CAS 64228-81-5) https://chemicalindependence.com/chemical/64228-81-5/ PubChem: 47320. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/47320 FDA National Drug Code directory: CAS 64228-81-5. 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 293349 for CAS 64228-81-5. Reporting year: 2024. https://usatrade.census.gov/