2-(3-methyl-4-oxo-3,4-dihydrophthalazin-1-yl)acetic acid

2-(3-甲基-4-氧代-3,4-二氢酞嗪-1-基)乙酸

Also known as: (3-methyl-4-oxo-3,4-dihydrophthalazin-1-yl)acetic acid, 1-phthalazineacetic acid, 3,4-dihydro-3-methyl-4-oxo-, venadaparib impurity 16

2-(3-methyl-4-oxo-3,4-dihydrophthalazin-1-yl)acetic acid (CAS 28081-52-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H10N2O3 and a molecular weight of 218.20900 g/mol. It is also known as (3-methyl-4-oxo-3,4-dihydrophthalazin-1-yl)acetic acid, 1-phthalazineacetic acid, 3,4-dihydro-3-methyl-4-oxo- and venadaparib impurity 16. Key properties include a boiling point of 436.5ºC at 760mmHg and a flash point of 217.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 28081-52-9
Jingsj CID: J-1105894-8
Molecular Formula: C₁₁H₁₀N₂O₃
Chinese Name: 2-(3-甲基-4-氧代-3,4-二氢酞嗪-1-基)乙酸
Molecular Weight: 218.20900 g/mol
Category: Organic Acids
Last updated: 8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point	436.5ºC at 760mmHg
Flash Point	217.8ºC

Frequently Asked Questions

What is the CAS number of 2-(3-methyl-4-oxo-3,4-dihydrophthalazin-1-yl)acetic acid?

The CAS number of 2-(3-methyl-4-oxo-3,4-dihydrophthalazin-1-yl)acetic acid is 28081-52-9.

What are the molecular formula and molecular weight of 2-(3-methyl-4-oxo-3,4-dihydrophthalazin-1-yl)acetic acid?

2-(3-methyl-4-oxo-3,4-dihydrophthalazin-1-yl)acetic acid has molecular formula C11H10N2O3 and molecular weight 218.20900 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "2-(3-methyl-4-oxo-3,4-dihydrophthalazin-1-yl)acetic acid (CAS 28081-52-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1105894-8 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.