N-(4-Pentachloraethyl-phenyl)-N',N'-dimethyl-harnstoff, also known as pentachlorophenyl dimethyl urea, is a chemical compound with the molecular formula C9H10Cl5NO. It is a derivative of urea, where one of the hydrogen atoms is replaced by a pentachlorophenyl group. N-<4-Pentachloraethyl-phenyl>-N',N'-dimethyl-harnstoff is characterized by its white crystalline appearance and has been used in various applications, including as a chemical intermediate and in the synthesis of other compounds. Due to its potential environmental and health concerns, the use of pentachlorophenyl dimethyl urea is subject to strict regulations in many countries.
The CAS Registry Mumber 731-10-2 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,3 and 1 respectively; the second part has 2 digits, 1 and 0 respectively. Calculate Digit Verification of CAS Registry Number 731-10: (5*7)+(4*3)+(3*1)+(2*1)+(1*0)=52 52 % 10 = 2 So 731-10-2 is a valid CAS Registry Number.