3-Benzyl-4-oxo-3,4-dihydrophthalazine-1-carboxylic acid

3-苄基-4-氧代-3,4-二氢-酞嗪-1-羧酸

Also known as: 1-Phthalazinecarboxylic acid, 3,4-dihydro-4-oxo-3-(phenylmethyl)-, 3-Benzyl-4-oxo-3,4-dihydro-phthalazine-1-carboxylic acid, 3-Benzyl-4-phthalazon-1-carbonsaeure, 3-benzyl-4-oxophthalazine-1-carboxylic acid, Leniolisib Impurity 1, HMS1723C14, 3-benzyl-4-oxo-3,4-dihydrophthalazine-1-carboxylic acid

3-Benzyl-4-oxo-3,4-dihydrophthalazine-1-carboxylic acid (CAS 16015-49-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C16H12N2O3 and a molecular weight of 280.27800 g/mol. It is also known as 1-Phthalazinecarboxylic acid, 3,4-dihydro-4-oxo-3-(phenylmethyl)-, 3-Benzyl-4-oxo-3,4-dihydro-phthalazine-1-carboxylic acid and 3-Benzyl-4-phthalazon-1-carbonsaeure. Key properties include a boiling point of 512.9ºC at 760mmHg and a flash point of 264ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
16015-49-9
Jingsj CID
J-1146933-7
Molecular Formula
C16H12N2O3
Chinese Name
3-苄基-4-氧代-3,4-二氢-酞嗪-1-羧酸
Molecular Weight
280.27800 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point512.9ºC at 760mmHg
Flash Point264ºC

Frequently Asked Questions

What is the CAS number of 3-Benzyl-4-oxo-3,4-dihydrophthalazine-1-carboxylic acid?

The CAS number of 3-Benzyl-4-oxo-3,4-dihydrophthalazine-1-carboxylic acid is 16015-49-9.

What are the molecular formula and molecular weight of 3-Benzyl-4-oxo-3,4-dihydrophthalazine-1-carboxylic acid?

3-Benzyl-4-oxo-3,4-dihydrophthalazine-1-carboxylic acid has molecular formula C16H12N2O3 and molecular weight 280.27800 g/mol.

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

Last updated:

How to cite: Jingsj. "3-Benzyl-4-oxo-3,4-dihydrophthalazine-1-carboxylic acid (CAS 16015-49-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1146933-7 (accessed 2026-10-25).

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