thioguanine
Drug ingredientThis chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.
Where It Comes From
3 FDA-registered drug labelers
AMERICAN PACIFIC CORPORATION
Excella GmbH & Co. KG
Waylis Therapeutics LLC
Why It Matters
Sectors
Health
Downstream Uses
Appears in 1 drug and cosmetic product listings (FDA).
- •Tabloid
FDA Shortage Status
Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."
No FDA shortage records
Vendor Pricing
$3.84/gCombi-Blocks, Inc.
CountryUnited States
Pack$1920.00 / 500 g
Purity98%
Vendors11 available
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
10 more vendors
| Vendor | Country Supplier country. Where available, shows shipping origin. When the supplier ships from a different country than where they are registered, both are shown. Most suppliers show registration country only. | $/g | Pack | Purity |
|---|---|---|---|---|
| A2B Chem LLC | United States | $4.00 | 25 g | 98% |
| AA BLOCKS | United States | $4.28 | 500 g | 98% |
| Aaron Chemicals LLC | Hong Kong | $4.42 | 100 g | 98% |
| Angene Chemical | China → Hong Kong | $4.74 | 100 g | 98% |
| Ambeed, Inc. | United States | $4.80 | 100 g | 98% |
| Angene International Limited | United States | $14.08 | 25 g | 98% |
| Molnova | China | $130.00 | 500 mg | 99% |
| Apexbio Technology LLC | United States | $180.00 | 500 mg | 98.18% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 98% |
| TimTec, LLC (back-ordered) | United States | $32000.00 | 15 mg | 94% |
Chemical Identity
CAS154-42-7
PubChem CID2723601
DTXSIDDTXSID6023652
FormulaC5H5N5S
Mol. Weight167.19 g/mol
SMILESC1=NC2=C(N1)C(=S)N=C(N2)N
Data Sources
27236012026-04-07
https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/name/thioguanine/cids/JSON
Archive: data/sources/pubchem_name/thioguanine.json
CAS 154-42-72026-04-25
https://open.fda.gov/data/ndc/
Archive: data/sources/fda/ndc/ndc.json
bulk match2026-04-07
https://open.fda.gov/data/ndc/
Archive: data/sources/fda/ndc/ndc.json