Phosphonic acid, (2-phenoxyethenyl)-, diethyl ester, also known as (2-phenoxyethenyl)phosphonic acid diethyl ester, is a chemical compound with the molecular formula C12H17O3P. It is a colorless liquid with a density of 1.08 g/cm3 and a boiling point of 120°C at 0.1 mmHg. Phosphonic acid, (2-phenoxyethenyl)-, diethyl ester is an organophosphorus compound, specifically a phosphonic acid derivative, and is characterized by the presence of a phenoxyethenyl group attached to a phosphonic acid backbone. It is used in various applications, including as a flame retardant, a stabilizing agent in plastics, and in the synthesis of other organic compounds. Due to its potential toxicity and environmental impact, it is important to handle this chemical with care and in accordance with safety regulations.
The CAS Registry Mumber 7423-46-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,4,2 and 3 respectively; the second part has 2 digits, 4 and 6 respectively. Calculate Digit Verification of CAS Registry Number 7423-46: (6*7)+(5*4)+(4*2)+(3*3)+(2*4)+(1*6)=93 93 % 10 = 3 So 7423-46-3 is a valid CAS Registry Number.