Laropiprant

Drug ingredient

CAS 571170-77-9

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

US productionNot reported

Import value, 2024$1.4B

Top sourceIreland 33%

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 293399 · basket

These shares come from HS customs code 293399, which covers 518 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).

IE 33%IrelandCN 26%ChinaIN 11%IndiaDE 9%GermanyIT 4%Italy

Taiwan
Poland
Canada
Ivory Coast
Greece
Hungary
Indonesia
Latvia
Belgium
Slovakia
Czech Republic
Austria
Netherlands
Finland
Denmark
Croatia
Australia
South Africa
Sweden
Hong Kong
Malta
Singapore
Lithuania
Malaysia
Oman
Serbia

2 FDA-registered drug labelers

Teva Czech Industries s.r.o

Zhejiang Apeloa Jiayuan Pharmaceutical Co., Ltd.

Why It Matters

Sectors

Health

Downstream UsesNot recorded

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

$2350.00/gExcenen Pharmatech Co., Ltd

CountryChina

Pack$2350.00 / 1 g

Purity98%

Vendors17 available

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

16 more vendors

Vendor	Country	$/g	Pack	Purity
A2B Chem LLC	United States	$2670.00	200 mg	99.89%
AA BLOCKS	United States	$2875.00	200 mg	99.89%
Molnova	China	$3042.00	500 mg	99%
MedKoo Biosciences, Inc	United States	$3425.00	2 g	98%
TargetMol Chemicals	China → United States	$3465.00	200 mg	99.97%
AA BLOCKS (1 week)	United States	$3960.00	100 mg	95%
A2B Chem LLC (1 week)	United States	$3960.00	100 mg	95%
Aaron Chemicals LLC	Hong Kong	$4440.00	250 mg	95%
Angene Chemical	China → Hong Kong	$4744.00	250 mg	95%
Combi-Blocks (back-ordered)	United States	$4950.00	100 mg	95%
Synthonix	United States	$6200.00	100 mg	95%
AstaTech (2 weeks)	United States	$6624.00	250 mg	98%
MedChemExpress MCE	Sweden	$8494.20	100 mg	99.34%
Angene International Limited	United States	$11280.00	100 mg	98%
Cayman Europe	Estonia	$34510.00	25 mg	98%
BLD Pharmatech Ltd.	China	$80000.00	1 mg	98%

Chemical Identity

CAS571170-77-9

PubChem CID9867642

DTXSIDDTXSID60205756

FormulaC21H19ClFNO4S

Mol. Weight435.9 g/mol

SMILESCS(=O)(=O)C1=CC(=CC2=C1N(C3=C2CCC3CC(=O)O)CC4=CC=C(C=C4)Cl)F

Data Sources

PubChem · compound 9867642Retrieved 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

Laropiprant (CAS 571170-77-9) https://chemicalindependence.com/chemical/571170-77-9/ PubChem: 9867642. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/9867642 FDA National Drug Code directory: CAS 571170-77-9. 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 293399 for CAS 571170-77-9. Reporting year: 2024. https://usatrade.census.gov/