Nitrofurantoin monohydrate
Drug ingredientCAS 17140-81-7
This chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.
US productionNot reported
Top sourceNo public record
This chemical is not on EPA’s Toxic Substances Control Act inventory, the list behind EPA’s production survey.
Why supply is unknownWhere It Comes From
EPA and Census publish no US supply data for this chemical.
35 FDA-registered drug labelers
A-S Medication Solutions
Almatica Pharma LLC
Alvogen Inc.
Arch Pharmalabs Limited
Asclemed USA, Inc.
ASolution Pharmaceuticals Private Limited
Aurobindo Pharma Limited
BluePoint Laboratories
Bryant Ranch Prepack
Derivados Quimicos
Direct_Rx
F.I.S. FABBRICA ITALIANA SINTETICI S.P.A.
Jubilant Cadista Pharmaceuticals Inc.
Lifestar Pharma LLC
Maithri Drugs Private Limited
Major Pharmaceuticals
Micro Labs Limited
NCS HealthCare of KY, LLC dba Vangard Labs
NorthStar RxLLC
Northwind Health Company, LLC
NuCare Pharmaceuticals,Inc.
NURAY CHEMICALS PRIVATE LIMITED
PD-Rx Pharmaceuticals, Inc.
PharmPak, Inc.
Preferred Pharmaceuticals Inc.
Professional Compounding Centers of America
Proficient Rx LP
QPharma, Inc.
Redpharm Drug
Redpharm Drug, Inc.
REMEDYREPACK INC.
Rising Pharma Holdings, Inc.
Sandoz Inc
ST. MARY'S MEDICAL PARK PHARMACY
Trigen Laboratories, LLC
Why It Matters
Sectors
Health
Downstream Uses
Appears in 6 drug and cosmetic product listings (FDA).
- •Nitrofurantoin (monohydrate/macrocrystals)
- •Nitrofurantoin
- •Nitrofurantoin Monohydrate/Macrocrystal
- •Nitrofurantoin Mono
- •Nitrofurantoin Monohydrate/ Macrocrystalline
- •Macrobid
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
Chemical Identity
CAS17140-81-7
PubChem CID9571008
DTXSIDDTXSID70169092
FormulaC8H8N4O6
Mol. Weight256.17 g/mol
SMILESC1C(=O)NC(=O)N1N=CC2=CC=C(O2)[N+](=O)[O-].O
Data Sources
- PubChem · compound 9571008Retrieved 2026-04-07
- FDA National Drug Code directoryRetrieved 2026-04-25
- FDA National Drug Code directoryRetrieved 2026-04-07
Brief citations
Nitrofurantoin monohydrate (CAS 17140-81-7) https://chemicalindependence.com/chemical/17140-81-7/ PubChem: 9571008. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/9571008 FDA National Drug Code directory: CAS 17140-81-7. Retrieved 2026-04-25. https://open.fda.gov/data/ndc/ FDA National Drug Code directory: bulk match. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/