Cephalothin
Also known as: Cefalotin, Cefalothin, Cephalotin, (6R,7R)-3-(Acetoxymethyl)-8-oxo-7-(2-(thiophen-2-yl)acetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, (6R,7R)-3-[(Acetyloxy)methyl]-8-oxo-7-[[2-(2-thienyl)acetyl]amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Cephalothin (CAS 153-61-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C16H16N2O6S2 and a molecular weight of 396.438 g/mol. Key properties include a melting point of 160-161ºC, a boiling point of 757.2±60.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 411.8±32.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 153-61-7
- Jingsj CID
- J-1981732-1
- Molecular Formula
- C16H16N2O6S2
- Molecular Weight
- 396.438 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 160-161ºC |
|---|---|
| Boiling Point | 757.2±60.0 °C at 760 mmHg |
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 411.8±32.9 °C |
| Exact Mass | 396.044983 |
| PSA | 166.55000 |
| LogP | 1.45 |
| Vapor Pressure | 0.0±2.7 mmHg at 25°C |
| Refractive Index | 1.676 |
| Additional Property | 158 MG/L |
Activity & Biological Data
| Target | Ki: 0.32 μM (β-lactamase AmpC)[1] |
|---|---|
| Additional Information | [1]. Morandi S, et al. Structure-based optimization of cephalothin-analogue boronic acids as beta-lactamase inhibitors. Bioorg Med Chem. 2008 Feb 1;16(3):1195-205. Epub 2007 Nov 7. |
Frequently Asked Questions
What is the CAS number of Cephalothin?
The CAS number of Cephalothin is 153-61-7.
What are the molecular formula and molecular weight of Cephalothin?
Cephalothin has molecular formula C16H16N2O6S2 and molecular weight 396.438 g/mol.
What are the upstream and downstream products of Cephalothin?
For Cephalothin, Downstream Products: Cephalothin sodium.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Cephalothin (CAS 153-61-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1981732-1 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.