Tramiprosate

Drug ingredient

CAS 3687-18-1

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

Molecular structure of 3687-18-1
US productionNot reported
Import value, 2024$148M
Top sourceChina 34%

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 292119 · basket

These shares come from HS customs code 292119, which covers 136 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 34%ChinaPH 22%PhilippinesDE 17%GermanyBE 7%BelgiumJP 4%Japan
1 FDA-registered drug labeler
MSN Pharmachem Private Limited

Why It Matters

Sectors
Health
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Vendor Pricing

$0.12/gAaron Chemicals LLC
CountryHong Kong
Pack$123.00 / 1 kg
Purity98%
Vendors29 available

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

Chemical Identity

CAS3687-18-1
PubChem CID1646
DTXSIDDTXSID80190352
FormulaC3H9NO3S
Mol. Weight139.18 g/mol
SMILESC(CN)CS(=O)(=O)O

Data Sources

Brief citations

Tramiprosate (CAS 3687-18-1) https://chemicalindependence.com/chemical/3687-18-1/ PubChem: 1646. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/1646 FDA National Drug Code directory: CAS 3687-18-1. 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 292119 for CAS 3687-18-1. Reporting year: 2024. https://usatrade.census.gov/