guanfacine hydrochloride
Drug ingredientThis chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.
Where It Comes From
43 FDA-registered drug labelers
A-S Medication Solutions
A2A Integrated Pharmaceuticals
Actavis Pharma, Inc.
Advagen Pharma Limited
Advagen Pharma Ltd
Ajanta Pharma USA Inc.
Alembic Pharmaceuticals Inc.
Alembic Pharmaceuticals Limited
Amneal Pharmaceuticals LLC
Amneal Pharmaceuticals of New York LLC
Apotex Corp.
Aurobindo Pharma Limited
AvKARE
AvPAK
Bryant Ranch Prepack
Chartwell RX, LLC
Coupler LLC
Direct_Rx
Epic Pharma, LLC
Fosun Pharma USA, Inc
Golden State Medical Supply, Inc.
i3 Pharmaceuticals, LLC
Industriale Chimica s.r.l.
Jubilant Biosys limited
Major Pharmaceuticals
Medichem S.A.
NORTHSTAR RX LLC
Patheon Manufacturing Services LLC
PharmaZell GmbH
Precision Dose, Inc.
PROCOS S.p.A.
Proficient Rx LP
PuraCap Laboratories LLC dba Blu Pharmaceuticals
Quimica Sintetica S.A.
REMEDYREPACK INC.
Slate Run Pharmaceuticals, LLC
ST. MARY'S MEDICAL PARK PHARMACY
Sun Pharmaceutical Industries, Inc
Takeda Pharmaceuticals America, Inc.
TWi Pharmaceuticals, Inc.
Unichem Laboratories Limited, India
Unichem Pharmaceuticals (USA), Inc.
XIROMED, LLC
Why It Matters
Sectors
Health
Downstream Uses
Appears in 5 drug and cosmetic product listings (FDA).
- •Guanfacine
- •Guanfacine Hydrochloride
- •Guanfacine extended-release
- •Intuniv
- •Guanfacine ER
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
11/13/2025Chemical Identity
CAS29110-48-3
PubChem CID71401
DTXSIDDTXSID2045157
FormulaC9H10Cl3N3O
Mol. Weight282.5 g/mol
SMILESC1=CC(=C(C(=C1)Cl)CC(=O)N=C(N)N)Cl.Cl
Data Sources
714012026-04-07
https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/name/guanfacine hydrochloride/cids/JSON
Archive: data/sources/pubchem_name/guanfacine hydrochloride.json
CAS 29110-48-32026-04-25
https://open.fda.gov/data/ndc/
Archive: data/sources/fda/ndc/ndc.json
CAS 29110-48-32026-06-13
https://api.fda.gov/drug/shortages.json
Archive: data/sources/fda/shortages/shortages.json