Cimetidine
西咪替丁
Also known as: Guanidine, N-cyano-N'-methyl-N''-[2-[[(5-methyl-1H-imidazol-4-yl)methyl]thio]ethyl]-, 2-Cyano-1-methyl-3-[2-[[(5-methyl-1H-imidazol-4-yl)methyl]thio]ethyl]guanidine, N-Cyano-N'-methyl-N''-[2-[[(4-methyl-1H-imidazol-5-yl)methyl]thio]ethyl]guanidine, Tagamet, SKF-92334, Acinil, Brumetadina, Cimal, Dyspamet, Peptol, TAMETIN, Tratul, ULCIMET, Ulcedin
Cimetidine (CAS 51481-61-9) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C10H16N6S and a molecular weight of 252.339 g/mol. It is also known as Guanidine, N-cyano-N'-methyl-N''-[2-[[(5-methyl-1H-imidazol-4-yl)methyl]thio]ethyl]-, 2-Cyano-1-methyl-3-[2-[[(5-methyl-1H-imidazol-4-yl)methyl]thio]ethyl]guanidine and N-Cyano-N'-methyl-N''-[2-[[(4-methyl-1H-imidazol-5-yl)methyl]thio]ethyl]guanidine. Key properties include a melting point of 139-144°C, a boiling point of 476.2±55.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 241.8±31.5 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 51481-61-9
- Jingsj CID
- J-1101288-1
- Molecular Formula
- C10H16N6S
- Chinese Name
- 西咪替丁
- Molecular Weight
- 252.339 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 139-144°C |
|---|---|
| Boiling Point | 476.2±55.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 241.8±31.5 °C |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of Cimetidine?
The CAS number of Cimetidine is 51481-61-9.
What are the molecular formula and molecular weight of Cimetidine?
Cimetidine has molecular formula C10H16N6S and molecular weight 252.339 g/mol.
Is Cimetidine hazardous?
Cimetidine has GHS signal word Danger.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Cimetidine (CAS 51481-61-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1101288-1 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.