Isocucurbitacin B
异葫芦素B
Also known as: NSC 106400, Isocindrin B, Isoucurbitacin B, (3alpha,9beta,10alpha,16alpha,23E)-25-(Acetyloxy)-3,16,20-trihydroxy-9-methyl-19-norlanosta-5,23-diene-2,11,22-trione, Cucurbitacin impurity 1, Cucurbitacin Impurity 11, [(E,6R)-6-[(3S,8S,9R,10R,13R,14S,16R,17R)-3,16-dihydroxy-4,4,9,13,14-pentamethyl-2,11-dioxo-3,7,8,10,12,15,16,17-octahydro-1H-cyclopenta[a]phenanthren-17-yl]-6-hydroxy-2-methyl-5-oxohept-3-en-2-yl] acetate
Isocucurbitacin B (CAS 17278-28-3) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C32H46O8 and a molecular weight of 558.703 g/mol. It is also known as NSC 106400, Isocindrin B and Isoucurbitacin B. Key properties include a boiling point of 702.4±60.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 219.9±26.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 17278-28-3
- Jingsj CID
- J-1955366-5
- Molecular Formula
- C32H46O8
- Chinese Name
- 异葫芦素B
- Molecular Weight
- 558.703 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 702.4±60.0 °C at 760 mmHg |
|---|---|
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 219.9±26.4 °C |
Frequently Asked Questions
What is the CAS number of Isocucurbitacin B?
The CAS number of Isocucurbitacin B is 17278-28-3.
What are the molecular formula and molecular weight of Isocucurbitacin B?
Isocucurbitacin B has molecular formula C32H46O8 and molecular weight 558.703 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Isocucurbitacin B (CAS 17278-28-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1955366-5 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.