busulfan
Drug ingredientThis chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.
Where It Comes From
19 FDA-registered drug labelers
Accord Healthcare, Inc
AMERICAN PACIFIC CORPORATION
Amneal Pharmaceuticals LLC
Apicore Pharmaceuticals Private Limited
Armas Pharmaceuticals Inc.
Bamboo US Bidco LCC
Emcure Pharmaceuticals Limited
Eugia US LLC
Excella GmbH & Co KG
Farmabios S.p.A.
Hospira, Inc.
Meitheal Pharmaceuticals Inc.
Mylan Institutional LLC
Otsuka America Pharmaceutical, Inc.
Pharmascience Inc.
PPL Pharma Solutions Riverview LLC
Sagent Pharmaceuticals
SHILPA PHARMA LIFESCIENCES LIMITED
Waylis Therapeutics LLC
Why It Matters
Sectors
Health
Downstream Uses
Appears in 3 drug and cosmetic product listings (FDA).
- •Busulfex
- •Busulfan
- •Myleran
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 Shortage
Shortage History
Each row is a separate manufacturer's FDA shortage filing — not a timeline for the drug as a whole. Multiple "current" entries are normal: each manufacturer/NDC files independently. Status reflects the manufacturer's report; reason describes their supply situation (Available, Unavailable, or to be discontinued).
to be discontinued
Busulfan Injection
10/24/2025Vendor Pricing
$0.48/gCombi-Blocks, Inc.
CountryUnited States
Pack$240.00 / 500 g
Purity98%
Vendors24 available
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
23 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 | $0.52 | 500 g | 98% |
| AA BLOCKS | United States | $0.55 | 500 g | 95% |
| AK Scientific Specialized | United States | $0.61 | 100 g | 95% |
| Aaron Chemicals LLC | Hong Kong | $0.67 | 500 g | 98% |
| Angene Chemical | China → Hong Kong | $0.77 | 500 g | 98% |
| AK Scientific, Inc. | United States | $0.82 | 100 g | 98% |
| Cayman Europe | Estonia | $2.54 | 250 g | 98% |
| Angene International Limited | United States | $2.80 | 25 g | 95% |
| Sigma-Aldrich (Rush Stock) | Germany | $3.42 | 25 g | — |
| Sigma-Aldrich | Germany | $3.42 | 25 g | — |
| Fulfilled by Molport | Latvia | $5.00 | 1 g | 98% |
| MedChemExpress MCE | Sweden | $11.52 | 25 g | 99.9% |
| Apexbio Technology LLC | United States | $22.00 | 5 g | 98% |
| AstaTech, Inc | United States | $40.00 | 1 g | 95% |
| Molnova | China | $56.00 | 1 g | 99% |
| TargetMol Chemicals | China → United States | $62.00 | 1 g | 99.89% |
| TargetMol Chemicals US | United States | $90.00 | 500 mg | 99.89% |
| MedKoo Biosciences, Inc | United States | $90.00 | 5 g | 98% |
| Labotest KG | Germany | $453.00 | 1000 mg | 90% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 98% |
| Key Organics Ltd. | United Kingdom | $6900.00 | 10 mg | 97% |
| TimTec, LLC (back-ordered) | United States | $32000.00 | 15 mg | 94% |
| TimTec, LLC | United States | $90000.00 | 2 mg | 90% |
Chemical Identity
CAS55-98-1
PubChem CID2478
DTXSIDDTXSID3020910
FormulaC6H14O6S2
Mol. Weight246.3 g/mol
SMILESCS(=O)(=O)OCCCCOS(=O)(=O)C
Data Sources
24782026-04-07
https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/name/busulfan/cids/JSON
Archive: data/sources/pubchem_name/busulfan.json
CAS 55-98-12026-04-25
https://open.fda.gov/data/ndc/
Archive: data/sources/fda/ndc/ndc.json
CAS 55-98-12026-06-13
https://api.fda.gov/drug/shortages.json
Archive: data/sources/fda/shortages/shortages.json