Temozolomide

Drug ingredient

CAS 85622-93-1

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

Molecular structure of 85622-93-1
US productionNot reported
Import value, 2024$1.4B
Top sourceIreland 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 293399 · basket

These shares come from HS customs code 293399, which covers 518 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
IE 33%IrelandCN 26%ChinaIN 11%IndiaDE 9%GermanyIT 4%Italy
18 FDA-registered drug labelers
Accord Healthcare Inc.
American Pacific Corporation
Amneal Pharmaceuticals LLC
Ascend Laboratories, LLC
Bamboo US Bidco LCC
Camber Pharmaceuticals, Inc.
Devatis, Inc.
Excella GmbH & Co. KG
Formosa Laboratories, Inc.
Hetero Labs Limited
Hubei Haosun Pharmaceutical Co., Ltd.
Merck Sharp & Dohme LLC
Nivagen Pharmaceuticals, Inc.
Rising Pharma Holdings, Inc.
SHILPA PHARMA LIFESCIENCES LIMITED
SUN PHARMACEUTICAL INDUSTRIES, INC.
VALARY LAB PRIVATE LIMITED
Wavelength Enterprises LTD

Why It Matters

Sectors
Health
Downstream Uses

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

  • •temozolomide
  • •Temodar
FDA Shortage Status
No FDA shortage records

Vendor Pricing

$2.60/gA2B Chem LLC
CountryUnited States
Pack$260.00 / 100 g
Purity98%
Vendors32 available

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

Chemical Identity

CAS85622-93-1
PubChem CID5394
DTXSIDDTXSID5043714
FormulaC6H6N6O2
Mol. Weight194.15 g/mol
SMILESCN1C(=O)N2C=NC(=C2N=N1)C(=O)N

Data Sources

Brief citations

Temozolomide (CAS 85622-93-1) https://chemicalindependence.com/chemical/85622-93-1/ PubChem: 5394. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/5394 FDA National Drug Code directory: CAS 85622-93-1. 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 293399 for CAS 85622-93-1. Reporting year: 2024. https://usatrade.census.gov/