Pyrido[3,4-d]pyrimidine-2,4(1H,3H)-dione
[CAS# 21038-67-5]

Identification

• Name: Pyrido[3,4-d]pyrimidine-2,4(1H,3H)-dione
• Molecular Formula: C₇H₅N₃O₂
• Molecular Weight: 163.13
• CAS Registry Number: 21038-67-5
• EC Number: 862-367-0

Properties

• Solubility: Slightly soluble (1.1 g/L) (25 ºC), Calc.^*
• Density: 1.424±0.06 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 365 ºC^**

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2015 ACD/Labs)

^** Sako, M.; Science of Synthesis 2004, V16, P1155-1267.

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Eye irritation	Eye Irrit.	2A	H319
Specific target organ toxicity - single exposure	STOT SE	3	H335
Skin irritation	Skin Irrit.	2	H315