quaternium-73

Drug ingredient

CAS 15763-48-1

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

Molecular structure of 15763-48-1 — 1 I⁻

US productionNot reported

Import value, 2024$447M

Top sourceChina 31%

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 293410 · basket

These shares come from HS customs code 293410, which covers 83 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).

CN 31%ChinaDE 25%GermanyMX 19%MexicoJP 13%JapanIN 5%India

United Kingdom
Italy
Ukraine
Spain
Netherlands
Poland
Belgium
Canada
Croatia
Bulgaria
Taiwan
Sweden
Slovakia
Slovenia

1 FDA-registered drug labeler

Guangdong Miaolian Cosmetics Co., Ltd.

Why It Matters

Sectors

Health

Downstream Uses

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

•Rigboo 12% Gel Azelaic Acid Acne

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

$66.00/gCombi-Blocks (back-ordered)

CountryUnited States

Pack$330.00 / 5 g

Purity95%

Vendors8 available

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

7 more vendors

Vendor	Country	$/g	Pack	Purity
A2B Chem LLC	United States	$102.60	5 g	98%
AA BLOCKS	United States	$114.20	5 g	98%
Ambeed, Inc.	United States	$122.80	10 g	98%
Aaron Chemicals LLC	Hong Kong	$153.80	5 g	98%
Angene Chemical	China → Hong Kong	$154.80	5 g	98%
AstaTech (2 weeks)	United States	$168.80	5 g	95%
Angene	China → Hong Kong	$4266.67	30 mg	98%

Chemical Identity

CAS15763-48-1

PubChem CID6444337

DTXSIDDTXSID40935746

FormulaC23H39IN2S2

Mol. Weight534.6 g/mol

SMILESCCCCCCCN1C(=CSC1=CC2=[N+](C(=CS2)C)CCCCCCC)C.[I-]

Data Sources

PubChem · compound 6444337Retrieved 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

quaternium-73 (CAS 15763-48-1) https://chemicalindependence.com/chemical/15763-48-1/ PubChem: 6444337. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/6444337 FDA National Drug Code directory: CAS 15763-48-1. 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 293410 for CAS 15763-48-1. Reporting year: 2024. https://usatrade.census.gov/