Carbonochloridic acid, pentyl ester

CAS 638-41-5

Used in 1 industrial sector tracked by the EPA.

US production254.8K lb

Import volumeZero

Import dependency0%

Top sourceNo public record

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 291590 · basket

EPA reports by year

2023: US production 254.8K lb · Imports Zero
2019: US production 144.5K lb · Imports Zero

HS customs code 291590 covers 588 tracked chemicals in total. US Census does not break out this chemical's share, so the country-of-origin mix is not available. EPA CDR reports import dependency at the chemical level separately, shown above.

EPA-registered manufacturers (1)

Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.

Vandemark Chemical

Why It Matters

Sectors

Core Chemicals

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

Industrial Uses

•Intermediate in All Other Chemical Product and Preparation Manufacturing (100%)Processing as a reactant

Vendor Pricing

$0.11/gAaron Chemicals LLC

CountryHong Kong

Pack$57.00 / 500 g

Purity98%

Vendors11 available

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

10 more vendors

Vendor	Country	$/g	Pack	Purity
Angene Chemical	China → Hong Kong	$0.13	500 g	97%
A2B Chem LLC	United States	$0.19	500 g	97%
AA BLOCKS	United States	$0.24	500 g	97%
Ambeed, Inc.	United States	$1.06	100 g	97%
AstaTech, Inc	United States	$2.34	100 g	95%
Combi-Blocks, Inc.	United States	$2.40	25 g	97%
AK Scientific Specialized	United States	$2.48	100 g	95%
AK Scientific, Inc.	United States	$3.31	100 g	97%
Angene International Limited	United States	$60.00	1 g	97%
Angene	China → Hong Kong	$4266.67	30 mg	98%

Chemical Identity

CAS638-41-5

PubChem CID69489

DTXSIDDTXSID0060933

FormulaC6H11ClO2

Mol. Weight150.6 g/mol

SMILESCCCCCOC(=O)Cl

Data Sources

EPA CompTox (DSSTox) · DTXSID0060933Retrieved 2026-04-06
PubChem · compound 69489Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04

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Brief citations

Carbonochloridic acid, pentyl ester (CAS 638-41-5) https://chemicalindependence.com/chemical/638-41-5/ EPA CompTox (DSSTox): DTXSID0060933. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID0060933 PubChem: 69489. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/69489 EPA Chemical Data Reporting: 638-41-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 638-41-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting