sulfapyridine
Drug ingredientThis chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.
Where It Comes From
3 FDA-registered drug labelers
Archimica S.p.A.
Fagron Inc
VALENS MOLECULES PRIVATE LIMITED
Why It Matters
Sectors
Health
Downstream UsesNo data available
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
$0.25/gAK Scientific, Inc.
CountryUnited States
Pack$250.00 / 1 kg
Purity99%
Vendors36 available
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
35 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 |
|---|---|---|---|---|
| Combi-Blocks, Inc. | United States | $0.25 | 1 kg | 98% |
| Chemscene | United States | $0.25 | 1 kg | — |
| BLD Pharmatech GmbH | Germany | $0.26 | 1 kg | 98% |
| BLD Pharmatech Ltd. | China | $0.26 | 1 kg | 98% |
| A2B Chem LLC | United States | $0.27 | 1 kg | 98% |
| AA BLOCKS | United States | $0.28 | 1 kg | 98% |
| AstaTech, Inc | United States | $0.32 | 250 g | 95% |
| Aaron Chemicals LLC | Hong Kong | $0.34 | 500 g | 98% |
| Angene Chemical | China → Hong Kong | $0.37 | 500 g | 98% |
| Apollo Scientific US | United Kingdom | $0.41 | 100 g | 98% |
| Manchester Organics | United Kingdom | $0.45 | 250 g | 95% |
| BLD Pharmatech Co., Limited | United States | $0.50 | 100 g | 98% |
| Ambeed, Inc. | United States | $0.50 | 100 g | 98% |
| AK Scientific Specialized | United States | $0.51 | 100 g | 98% |
| Angene International Limited | United States | $0.53 | 500 g | 99% |
| Fluorochem EU | Germany | $2.18 | 5 g | 98% |
| Sigma-Aldrich (Rush Stock) | Germany | $3.21 | 100 g | 99% |
| Sigma-Aldrich | Germany | $3.21 | 100 g | 99% |
| MedKoo Biosciences, Inc | United States | $3.75 | 200 g | 98% |
| Cayman Europe | Estonia | $3.86 | 50 g | 98% |
| MedChemExpress MCE | Sweden | $6.29 | 10 g | 99.85% |
| Apexbio Technology LLC | United States | $15.20 | 5 g | 99.49% |
| ChemDiv, Inc. | United States | $36.00 | 5 g | 90% |
| Molnova | China | $45.00 | 1 g | 99% |
| Specs | Netherlands | $181.26 | 5 g | 90% |
| Labotest KG | Germany | $217.80 | 5000 mg | 90% |
| Vitas M Chemical Limited | Hong Kong | $310.00 | 1 g | 90% |
| Otava, Ltd. | Ukraine | $2280.00 | 50 mg | 95% |
| Otava, Ltd. (2 weeks) | Ukraine | $2724.00 | 50 mg | 95% |
| Princeton BioMolecular Research (SC) | United States | $2900.00 | 100 mg | 90% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 98% |
| Key Organics Ltd. | United Kingdom | $6900.00 | 10 mg | 97% |
| A2B Chem LLC (2 weeks) | United States | $26080.00 | 50 mg | — |
| AA BLOCKS (2 weeks) | United States | $27460.00 | 50 mg | — |
| TimTec, LLC (back-ordered) | United States | $32000.00 | 15 mg | 94% |
Chemical Identity
CAS144-83-2
PubChem CID5336
DTXSIDDTXSID3026067
FormulaC11H11N3O2S
Mol. Weight249.29 g/mol
SMILESC1=CC=NC(=C1)NS(=O)(=O)C2=CC=C(C=C2)N
Data Sources
53362026-04-07
https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/name/sulfapyridine/cids/JSON
Archive: data/sources/pubchem_name/sulfapyridine.json
CAS 144-83-22026-04-24
https://www.epa.gov/tsca-inventory
Archive: data/sources/tsca/tsca_inventory.csv
bulk match2026-04-07
https://open.fda.gov/data/ndc/
Archive: data/sources/fda/ndc/ndc.json