mesna

Drug ingredient

CAS 19767-45-4

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

Molecular structure of 19767-45-4
1 Na⁺
US productionNot reported
Import value, 2024$760M
Top sourceChina 33%

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 293090 · basket

These shares come from HS customs code 293090, which covers 418 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 33%ChinaES 14%SpainCH 9%SwitzerlandIT 7%ItalyIN 7%India
12 FDA-registered drug labelers
Aarti Pharmalabs Limited
Bamboo US Bidco LCC
Baxter Healthcare Company
Baxter Healthcare Corporation
Eugia US LLC
Fresenius Kabi USA, LLC
Gland Pharma Limited
Hikma Pharmaceuticals USA Inc.
Ingenus Pharmaceuticals, LLC
Sagent Pharmaceuticals
SOLARA ACTIVE PHARMA SCIENCES LIMITED
Zhejiang Hisun Pharmaceutical Co., Ltd.

Why It Matters

Sectors
Health
Downstream Uses

Appears in 2 drug and cosmetic product listings (FDA).

  • •Mesna
  • •Mesnex
FDA Shortage Status
No FDA shortage records

Vendor Pricing

$4.16/gAaron Chemicals LLC
CountryHong Kong
Pack$104.00 / 25 g
Purity90%
Vendors21 available

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

Chemical Identity

CAS19767-45-4
PubChem CID23662354
DTXSIDDTXSID1020809
FormulaC2H5NaO3S2
Mol. Weight164.18 g/mol
SMILESC(CS(=O)(=O)[O-])S.[Na+]

Data Sources

Brief citations

mesna (CAS 19767-45-4) https://chemicalindependence.com/chemical/19767-45-4/ PubChem: 23662354. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/23662354 FDA National Drug Code directory: CAS 19767-45-4. 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 293090 for CAS 19767-45-4. Reporting year: 2024. https://usatrade.census.gov/