Phosphinic acid, phenyl(2-phenylethenyl)-, ethyl ester is a chemical compound with the molecular formula C16H15O2P. It is an organophosphorus compound, specifically a phosphinic acid ester, and is characterized by the presence of a phosphorus atom bonded to a phenyl group, a 2-phenylethenyl group, and an ethyl ester group. Phosphinic acid, phenyl(2-phenylethenyl)-, ethyl ester is known for its potential applications in various chemical processes and as a precursor in the synthesis of other organophosphorus compounds. It is important to handle this substance with care due to its potential reactivity and toxicity.
The CAS Registry Mumber 5046-91-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,0,4 and 6 respectively; the second part has 2 digits, 9 and 1 respectively. Calculate Digit Verification of CAS Registry Number 5046-91: (6*5)+(5*0)+(4*4)+(3*6)+(2*9)+(1*1)=83 83 % 10 = 3 So 5046-91-3 is a valid CAS Registry Number.