4-(4-Chlorobenzyl)-2H-phthalazin-1-one
4-(4-氯苄基)-1-(2H)-酞嗪酮
Also known as: 4-(4-Chlorobenzyl)-1(2H)-phthalazinone, 4-(4-Chlorobenzyl)phthalazin-1(2H)-one, 4-[(4-Chlorophenyl)methyl]-1(2H)-phthalazinone, Azelastine impurity D, Azelastine USP RC D, Azelastine EP Impurity D, Vasorelaxant agent-2
4-(4-Chlorobenzyl)-2H-phthalazin-1-one (CAS 53242-88-9) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C15H11ClN2O and a molecular weight of 270.714 g/mol. It is also known as 4-(4-Chlorobenzyl)-1(2H)-phthalazinone, 4-(4-Chlorobenzyl)phthalazin-1(2H)-one and 4-[(4-Chlorophenyl)methyl]-1(2H)-phthalazinone. Key properties include a boiling point of 522.3ºC at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 269.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 53242-88-9
- Jingsj CID
- J-1505480-3
- Molecular Formula
- C15H11ClN2O
- Chinese Name
- 4-(4-氯苄基)-1-(2H)-酞嗪酮
- Molecular Weight
- 270.714 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 522.3ºC at 760 mmHg |
|---|---|
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 269.7ºC |
Frequently Asked Questions
What is the CAS number of 4-(4-Chlorobenzyl)-2H-phthalazin-1-one?
The CAS number of 4-(4-Chlorobenzyl)-2H-phthalazin-1-one is 53242-88-9.
What are the molecular formula and molecular weight of 4-(4-Chlorobenzyl)-2H-phthalazin-1-one?
4-(4-Chlorobenzyl)-2H-phthalazin-1-one has molecular formula C15H11ClN2O and molecular weight 270.714 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-(4-Chlorobenzyl)-2H-phthalazin-1-one (CAS 53242-88-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1505480-3 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.