cimetidine

Drug ingredient

This chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.

Molecular structure of 51481-61-9

Where It Comes From

26 FDA-registered drug labelers
A-S Medication Solutions
Amazon.com Services LLC
Aurobindo Pharma Limited
Bionpharma Inc.
Bryant Ranch Prepack
Chartwell RX, LLC
CVS Pharmacy
DARMERICA, LLC
Fagron Inc
H E B
Haleos Labs Limited
KALCHEM INTERNATIONAL INC
LETCO MEDICAL, LLC
Medisca Inc.
Medtech Products Inc.
Mylan Pharmaceuticals Inc.
Northwind Health Company, LLC
PD-Rx Pharmaceuticals, Inc.
Prestige Brands Holdings, Inc.
Professional Compounding Centers of America
Proficient Rx LP
Spectrum Laboratory Products, Inc.
Teva Pharmaceuticals USA, Inc.
Union Quimico Farmaceutica SA
Wal-Mart Stores Inc
Walgreen Company

Why It Matters

Sectors
Health
Downstream Uses

Appears in 7 drug and cosmetic product listings (FDA).

  • Cimetidine
  • Tagamet
  • basic care acid reducer
  • heartburn prevention
  • Equate Cimetidine
  • cimetidine 200 acid reducer
  • heartburn relief
FDA Shortage Status
No FDA shortage records

Vendor Pricing

$0.26/gAaron Chemicals LLC
CountryHong Kong
Pack$131.00 / 500 g
Purity98%
Vendors2 available

Prices reflect listed pack sizes. Small research packs run far above bulk rates.

1 more vendor
VendorCountry$/gPackPurity
AA BLOCKSUnited States$0.39500 g98%

Chemical Identity

CAS51481-61-9
PubChem CID2756
DTXSIDDTXSID4020329
FormulaC10H16N6S
Mol. Weight252.34 g/mol
SMILESCC1=C(N=CN1)CSCCNC(=NC)NC#N

Data Sources

27562026-04-07

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/name/cimetidine/cids/JSON

Archive: data/sources/pubchem_name/cimetidine.json

CAS 51481-61-92026-04-25

https://open.fda.gov/data/ndc/

Archive: data/sources/fda/ndc/ndc.json

bulk match2026-04-07

https://open.fda.gov/data/ndc/

Archive: data/sources/fda/ndc/ndc.json