naphazoline hcl

Drug ingredient

CAS 550-99-2

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

US productionNot reported

Import value, 2024$114M

Top sourceChina 26%

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 293329 · basket

These shares come from HS customs code 293329, which covers 173 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 26%ChinaIN 17%IndiaKR 16%South KoreaDE 9%GermanyIT 9%Italy

Australia
Brazil
Czech Republic
Ireland
Sweden
Ukraine
Poland
United Arab Emirates
Hungary
Israel
Netherlands
Canada
Saudi Arabia
Greece
Belgium
Austria
Latvia
Singapore
Denmark

2 FDA-registered drug labelers

Guangdong Quadrant Ecological Technology Co., Ltd.

Jiangxi Yudexi Pharmaceutical Co., LTD

Why It Matters

Sectors

Health

Downstream Uses

Appears in 5 drug and cosmetic product listings (FDA).

•Natuheal Original Nasal
•Serynth FAST Relief Nasal
•Skapemed Original Nasal
•Dermfree Original Nasal
•Seacall Nasal Spray.

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

$0.37/gA2B Chem LLC

CountryUnited States

Pack$183.00 / 500 g

Purity99%

Vendors23 available

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

22 more vendors

Vendor	Country	$/g	Pack	Purity
Aaron Chemicals LLC	Hong Kong	$0.43	500 g	99%
Ambeed, Inc.	United States	$0.45	100 g	99%
Angene Chemical	China → Hong Kong	$0.46	500 g	99%
AA BLOCKS	United States	$0.47	500 g	99%
AstaTech (2 weeks)	United States	$1.40	100 g	95%
ALFA AESAR	Germany	$1.44	500 g	99%
AK Scientific, Inc.	United States	$2.72	25 g	98%
Sigma-Aldrich (Rush Stock)	Germany	$4.16	25 g	—
Sigma-Aldrich	Germany	$4.16	25 g	—
Cayman Europe	Estonia	$5.00	10 g	98%
Angene International Limited	United States	$5.60	25 g	98%
Apexbio Technology LLC	United States	$7.00	10 g	99.67%
MedChemExpress MCE	Sweden	$8.71	5 g	99.38%
MedKoo Biosciences, Inc	United States	$20.00	10 g	98%
CliniSciences GmbH	Switzerland	$32.25	1 g	99%
Molnova	China	$46.00	1 g	99%
Interbioscreen	Hong Kong	$51.00	10 g	95%
Labotest KG	Germany	$453.00	1000 mg	90%
Maybridge, Ltd.	United Kingdom	$2414.30	100 mg	95%
Princeton BioMolecular Research (SC)	United States	$2900.00	100 mg	90%
Angene	China → Hong Kong	$4266.67	30 mg	99%
Key Organics Ltd.	United Kingdom	$6900.00	10 mg	95%

Chemical Identity

CAS550-99-2

PubChem CID11079

DTXSIDDTXSID7045788

FormulaC14H15ClN2

Mol. Weight246.73 g/mol

SMILESC1CN=C(N1)CC2=CC=CC3=CC=CC=C32.Cl

Data Sources

PubChem · compound 11079Retrieved 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

naphazoline hcl (CAS 550-99-2) https://chemicalindependence.com/chemical/550-99-2/ PubChem: 11079. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/11079 FDA National Drug Code directory: CAS 550-99-2. 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 293329 for CAS 550-99-2. Reporting year: 2024. https://usatrade.census.gov/