Pyridinium, 1-[(dimethylamino)carbonyl]-4-(2-sulfoethyl)-, inner salt

CAS 136997-71-2

Molecular structure of 136997-71-2
US productionNot reported
Import value, 2024$1.3B
Top sourceChina 32%

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 293339 · basket

These shares come from HS customs code 293339, which covers 397 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 32%ChinaIN 15%IndiaDE 10%GermanyBE 9%BelgiumCH 8%Switzerland

Why It Matters

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

Vendor Pricing

$217.80/gLabotest KG
CountryGermany
Pack$1089.00 / 5000 mg
Purity90%
Vendors1 available

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

Chemical Identity

CAS136997-71-2
PubChem CIDNot recorded
DTXSIDDTXSID90889407
FormulaC10H14N2O4S
Mol. Weight258.29 g/mol
SMILESCN(C)C(=O)[N+]1=CC=C(CCS([O-])(=O)=O)C=C1

Data Sources

Brief citations

Pyridinium, 1-[(dimethylamino)carbonyl]-4-(2-sulfoethyl)-, inner salt (CAS 136997-71-2) https://chemicalindependence.com/chemical/136997-71-2/ EPA TSCA Inventory: CAS 136997-71-2. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 293339 for CAS 136997-71-2. Reporting year: 2024. https://usatrade.census.gov/