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Cimetidine

CAS: 51481-61-9 | C10H16N6S

2D Structure

3D Structure

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Basic Information

CAS Registry Number: 51481-61-9
Molecular Formula: C10H16N6S
Molecular Mass: 252.35 g/mol

Names and Synonyms:

Cimetidine
Tamagret
Fremet
Ulcerex
Tagamet HB 200
Tagamet HB
1-Cyano-2-methyl-3-[2-[(5-methyl-1H-imidazol-4-yl)methylsulfanyl]ethyl]guanidine
Guanidine, N-cyano-N′′-methyl-N′-[2-[[(4-methyl-1H-imidazol-5-yl)methyl]thio]ethyl]-
Guanidine, N-cyano-N′-methyl-N′′-[2-[[(5-methyl-1H-imidazol-4-yl)methyl]thio]ethyl]-
N-Cyano-N′′-methyl-N′-[2-[[(4-methyl-1H-imidazol-5-yl)methyl]thio]ethyl]guanidine
Cimetidine
N-Cyano-N′-methyl-N′′-[2-((4-methyl-5-imidazolyl)-methylthio)ethyl]guanidine
Tagamet
Eureceptor
Histodil
Biomet
Ulcimet
Cimetag
Dyspamet
Acinil
Tametin
Peptol
Ulcofalk
Cimal
Tratul
Ulcerfen
Ulhys
Ulcomedina
Edalene
Cimetum
SKF 92334
Ulcedin
Ulcedine
Gastromet
Ulcomet
Acibilin
NSC 335308

Identifiers:

SMILES:
CN=C(NC#N)NCCSCc1[nH]cnc1C
InChI:
InChI=1S/C10H16N6S/c1-8-9(16-7-15-8)5-17-4-3-13-10(12-2)14-6-11/h7H,3-5H2,1-2H3,(H,15,16)(H2,12,13,14)

Key Properties

Melting Point
141-143 °C CAS Common Chemistry

Spectral Data

NMR, IR, and Mass spectral data

1H NMR
13C NMR
Predicting NMR spectra...
10 ppm 9 8 7 6 5 4 3 2 1 0 ppm
Shift (ppm) Multiplicity Integration Assignment
200 ppm 180 160 140 120 100 80 60 40 20 0 ppm
Shift (ppm) DEPT Assignment

Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.

External Resources

All Properties

Comprehensive physical and chemical properties

Property Value Source
Molecular Mass 252.35 g/mol CAS Common Chemistry
252.347 g/mol RDKit
252.11571551199998 g/mol RDKit
Canonical SMILES N#CNC(=NCCSCC=1NC=NC1C)NC CAS Common Chemistry
InChI InChI=1S/C10H16N6S/c1-8-9(16-7-15-8)5-17-4-3-13-10(12-2)14-6-11/h7H,3-5H2,1-2H3,(H,15,16)(H2,12,13,14) CAS Common Chemistry
InChI Key InChIKey=AQIXAKUUQRKLND-UHFFFAOYSA-N CAS Common Chemistry
Melting Point 141-143 °C CAS Common Chemistry
Name Cimetidine CAS Common Chemistry
Heavy Atom Count 17 RDKit
Hydrogen Bond Acceptors 4 RDKit
Hydrogen Bond Donors 3 RDKit
Rotatable Bonds 5 RDKit
Aromatic Ring Count 1 RDKit
Topological Polar Surface Area 88.89 Ų RDKit
LogP 0.5973999999999997 RDKit
Molar Refractivity 69.59710000000001 RDKit

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