L-Lysine, hydrochloride (1:2)

CAS 657-26-1

Molecular structure of 657-26-1
2 HCl
US productionNot reported
Import value, 2024$104M
Top sourceChina 94%

This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.

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 292241 · basket

These shares come from HS customs code 292241, which covers 5 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 94%ChinaIT 2%ItalyKR 2%South KoreaIN 1%India

Why It Matters

No EPA sector or FDA product records name a use for this chemical.

Vendor Pricing

$1.15/gAngene Chemical
CountryChina (registered: Hong Kong)
Pack$115.00 / 100 g
Purity98%
Vendors12 available

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

Chemical Identity

CAS657-26-1
PubChem CIDNot recorded
DTXSIDDTXSID30883525
FormulaC6H16Cl2N2O2
Mol. Weight219.11 g/mol
SMILESCl.Cl.NCCCC[C@H](N)C(O)=O

Data Sources

Brief citations

L-Lysine, hydrochloride (1:2) (CAS 657-26-1) https://chemicalindependence.com/chemical/657-26-1/ EPA TSCA Inventory: CAS 657-26-1. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 292241 for CAS 657-26-1. Reporting year: 2024. https://usatrade.census.gov/