C10H16N6S
252.34 g/mol
APIDanger
Cimetidine
CAS51481-61-9EC257-232-2
Category
API
Compound Class
Amine
Primary Use
Pharmaceutical Raw Material
Cimetidine is a histamine H2 receptor antagonist that reduces stomach acid production. It is primarily used as an active pharmaceutical ingredient in the manufacturing of medications for conditions such as heartburn and peptic ulcers.
Pharmaceutical raw material for heartburn medicationsPharmaceutical raw material for peptic ulcer medications
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
StrongSame Parent
Cimetidine hydrochloride
CAS70059-30-2
pharmaceutical raw material
ReferenceSame Category
Sulfisomidine
CAS515-64-0
pharmaceutical raw material
ReferenceSame Category
(Z)-flupentixol dihydrochloride
CAS51529-01-2
pharmaceutical raw material
ReferenceSame Category
Esflurbiprofen
CAS51543-39-6
pharmaceutical raw material
ReferenceSame Category
Tarenflurbil
CAS51543-40-9
pharmaceutical raw material
Safety Reference
Danger
H318Causes serious eye damage
H360May damage fertility or the unborn child
H373May cause damage to organs through prolonged or repeated exposure
Customs Tariff Classification
The international HS code for Cimetidine (CAS 51481-61-9) is 2933.29.
HS code (international, 6-digit)
2933.29
EU CN code (8-digit)
2933 29 90
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
1-cyano-2-methyl-3-[2-[(5-methyl-1H-imidazol-4-yl)methylsulfanyl]ethyl]guanidine
InChIKey
AQIXAKUUQRKLND-UHFFFAOYSA-N
SMILES
CC1=C(N=CN1)CSCCNC(=NC)NC#N
Synonyms (123)
- Cimetidina [INN-Spanish]
- Cimetidine (JP18/USP/INN)
- Cimetidine for peak identification, European Pharmacopoeia (EP)
- Cimetidine for system suitability, European Pharmacopoeia (EP)
- Cimetidine, European Pharmacopoeia (EP)
- Cimetidine, United States Pharmacopeia (USP)
- Cimetidinum [INN-Latin]
- 51481-61-9 (free)
- Acibilin
- Acid-eze
- Aciloc
- Acinil
- Acitak 200
- Acitak 400
- Acitak 800
- Acitak;
- Altramet;
- Azucimet;
- Brumetadina
- Brumetidina
- CIMETIDINE [MART.]
- Cedine;
- Cimagen;
- Cimal
- Cime;
- Cimeldine;
- Cimetag
- Cimetidina
- Cimetidine (Standard)
- Cimetidine (Tagamet)
- Cimetidine Acid Reducer
- Cimetidine CRS
- Cimetidinum
- Cimetimax;
- Cimetum
- DuraH2;
- Dyspamet
- Edalene
- Equaline acid reducer
- Equate Cimetidine
- Eureceptor
- Evicer
- Galenamet
- Gastrobitan
- Gastromet
- Good Sense Heartburn Relief
- HCl, Cimetidine
- Hydrochloride, Cimetidine
- Kentamet
- Magicul;
- Metracin
- Neutromed;
- Neutronorm;
- Peptimax 200
- Peptimax 400
- Peptimax 800
- Peptimax;
- Peptol
- Phimetin;
- SK&F92334
- SKF-92334; Tagamet
- Sigmetadine;
- Stomedine
- Tagadine
- Tagamet
- Tagamet (TN)
- Tagamet 100
- Tagamet Hb
- Tagamet Hb 200
- Tametin
- Topcare heartburn relief
- Tratul
- US9138393, Cimetidine
- US9144538, Cimetidine
- Ulcedin
- Ulcedine
- Ulcerfen
- Ulcestop
- Ulcimet
- Ulcofalk
- Ulcomedina
- Ulcomet
- Ulcometin;
- Ulcostad;
- Ulhys
- Ultec
- Ultek;
- Valmagen
- Venopex;
- Zita
- cemitidine
- cimetidine
- metidine
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