guanfacine
Drug ingredientThis chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.
Where It Comes From
6 FDA-registered drug labelers
American Health Packaging
Golden State Medical Supply, Inc.
Proficient Rx LP
REMEDYREPACK INC.
Unichem Pharmaceuticals (USA), Inc.
Upsher-Smith Laboratories, LLC
Why It Matters
Sectors
Health
Downstream Uses
Appears in 2 drug and cosmetic product listings (FDA).
- •Guanfacine Extended-Release
- •Guanfacine Hydrochloride
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
Guanfacine Hydrochloride Tablet, Extended Release
11/13/2025Vendor Pricing
$245.00/gCombi-Blocks, Inc.
CountryUnited States
Pack$245.00 / 1 g
Purity95%
Vendors12 available
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
11 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 |
|---|---|---|---|---|
| Aaron Chemicals LLC | Hong Kong | $246.00 | 1 g | 98% |
| Angene Chemical | China → Hong Kong | $283.00 | 1 g | 98% |
| Ambeed, Inc. | United States | $436.00 | 250 mg | 98% |
| AA BLOCKS | United States | $540.00 | 100 mg | 98% |
| AstaTech (2 weeks) | United States | $684.00 | 1 g | 95% |
| A2B Chem LLC | United States | $1720.00 | 250 mg | 98% |
| MedChemExpress MCE | Sweden | $3690.50 | 100 mg | 99.85% |
| Apexbio Technology LLC | United States | $4200.00 | 50 mg | 99.98% |
| Angene International Limited | United States | $5380.00 | 100 mg | 98% |
| TimTec, LLC | United States | $32000.00 | 10 mg | 90% |
| Cayman Europe | Estonia | $756840.00 | 1 mg | 95% |
Chemical Identity
CAS29110-47-2
PubChem CID3519
DTXSIDDTXSID9046944
FormulaC9H9Cl2N3O
Mol. Weight246.09 g/mol
SMILESC1=CC(=C(C(=C1)Cl)CC(=O)N=C(N)N)Cl
Data Sources
35192026-04-07
https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/name/guanfacine/cids/JSON
Archive: data/sources/pubchem_name/guanfacine.json
CAS 29110-47-22026-04-25
https://open.fda.gov/data/ndc/
Archive: data/sources/fda/ndc/ndc.json
CAS 29110-47-22026-06-13
https://api.fda.gov/drug/shortages.json
Archive: data/sources/fda/shortages/shortages.json