Isopropicillin
异丙西林
Also known as: Isoprocillin, α-Phenoxyisopropylpenicillin, (2S,5R,6R)-3,3-dimethyl-6-[(2-methyl-2-phenoxypropanoyl)amino]-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid, L-33332, Lilly-33332, UNII-05T9139TJW, (1-Methyl-1-phenoxy-ethyl)penicillin
Isopropicillin (CAS 4780-24-9) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C18H22N2O5S and a molecular weight of 378.44300 g/mol. It is also known as Isoprocillin, α-Phenoxyisopropylpenicillin and (2S,5R,6R)-3,3-dimethyl-6-[(2-methyl-2-phenoxypropanoyl)amino]-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid. Key properties include a boiling point of 668.7ºC at 760mmHg, a density of 1.38g/cm3 and a flash point of 358.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4780-24-9
- Jingsj CID
- J-1350646-5
- Molecular Formula
- C18H22N2O5S
- Chinese Name
- 异丙西林
- Molecular Weight
- 378.44300 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 668.7ºC at 760mmHg |
|---|---|
| Density | 1.38g/cm3 |
| Flash Point | 358.2ºC |
Frequently Asked Questions
What is the CAS number of Isopropicillin?
The CAS number of Isopropicillin is 4780-24-9.
What are the molecular formula and molecular weight of Isopropicillin?
Isopropicillin has molecular formula C18H22N2O5S and molecular weight 378.44300 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Isopropicillin (CAS 4780-24-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1350646-5 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.