DL-Asparagine

CAS 3130-87-8

Companies reported imports and no US production of this chemical to EPA for 2019.

US productionZero

Import value, 2024$371M

Import volume570.4K lb

Import dependency100%

Top sourceChina 27%

Production is reported production, not a complete census of factories. Production reporting year: 2019. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

DL-Asparagine · US import value by year

2013: $191M · Peak 2022: $462M · 2024: $371M · 2025: $437M

Where It Comes From

Customs basis: HS 292419 · basket

EPA reports by year

2019: US production Zero · Imports 570.4K lb

These shares come from HS customs code 292419, which covers 211 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 27%ChinaIN 18%IndiaDE 14%GermanyIT 10%ItalyGB 6%United Kingdom

Hungary
Austria
Spain
Egypt
Canada
Sweden
Ukraine
Denmark
Israel
Lithuania
Greece
Ireland
Taiwan
Uruguay
Turkey
Australia
Singapore
Latvia
Colombia

EPA-registered importers (1)

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

Lanxess

Why It Matters

Sectors

Construction

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

•Pigment in Construction (100%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$0.19/gChemscene

CountryUnited States

Pack$186.00 / 1 kg

PurityNot recorded

Vendors15 available

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

14 more vendors

Vendor	Country	$/g	Pack	Purity
BLD Pharmatech Ltd.	China	$0.23	500 g	99%
Ambeed, Inc.	United States	$0.23	500 g	99%
Combi-Blocks, Inc.	United States	$0.25	1 kg	97%
BLD Pharmatech Co., Limited	United States	$0.31	100 g	99%
Maybridge, Ltd.	United Kingdom	$0.57	50 g	97%
BLD Pharmatech GmbH	Germany	$0.68	25 g	99%
AK Scientific, Inc.	United States	$0.78	100 g	98%
AstaTech, Inc	United States	$1.28	100 g	95%
MedChemExpress MCE	Sweden	$1.50	100 g	98%
Interbioscreen	Hong Kong	$24.00	10 g	95%
Molnova	China	$380.00	100 mg	99%
ChemDiv, Inc.	United States	$4070.00	100 mg	90%
AA BLOCKS (2 weeks)	United States	$7176.00	250 mg	—
Asinex	Netherlands	$8651.50	100 mg	90%

Chemical Identity

CAS3130-87-8

PubChem CID236

DTXSIDDTXSID30859927

FormulaC4H8N2O3

Mol. Weight132.12 g/mol

SMILESC(C(C(=O)O)N)C(=O)N

Data Sources

EPA CompTox (DSSTox) · DTXSID30859927Retrieved 2026-04-06
PubChem · compound 236Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

DL-Asparagine (CAS 3130-87-8) https://chemicalindependence.com/chemical/3130-87-8/ EPA CompTox (DSSTox): DTXSID30859927. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID30859927 PubChem: 236. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/236 EPA Chemical Data Reporting: 3130-87-8. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 3130-87-8. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 292419 for CAS 3130-87-8. Reporting year: 2024. https://usatrade.census.gov/