Spiramilactone B
Also known as: (5β,7α,8α,9β,10α,12α,15α,20S)-15-Hydroxy-7,20:18,20-diepoxyatis-16-en-18-one, Atis-16-en-18-oic acid, 7,20-epoxy-15,20-dihydroxy-, δ-lactone, (4α,5β,7α,8α,9β,10α,12α,15α,20S)- (9CI), (11S,12S,14S,16R,17S)-12-Hydroxy-5-methyl-13-methylene-7,9-dioxahexacyclo[8.6.2.211,14.01,8.05,17.011,16]icosan-6-one
Spiramilactone B (CAS 180961-65-3) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C20H26O4 and a molecular weight of 330.418 g/mol. Key properties include a boiling point of 521.0±50.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 188.5±23.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 180961-65-3
- Jingsj CID
- J-1497713-2
- Molecular Formula
- C20H26O4
- Molecular Weight
- 330.418 g/mol
- Category
- Esters
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 521.0±50.0 °C at 760 mmHg |
|---|---|
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 188.5±23.6 °C |
| Exact Mass | 330.183105 |
| PSA | 55.76000 |
| LogP | 1.52 |
| Vapor Pressure | 0.0±3.1 mmHg at 25°C |
| Refractive Index | 1.608 |
Frequently Asked Questions
What is the CAS number of Spiramilactone B?
The CAS number of Spiramilactone B is 180961-65-3.
What are the molecular formula and molecular weight of Spiramilactone B?
Spiramilactone B has molecular formula C20H26O4 and molecular weight 330.418 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Spiramilactone B (CAS 180961-65-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1497713-2 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.