2,2,3,3,7,7,8,8-octamethyl-5-(methylamino-phenyl-methyl)-1,4,6,9-tetraoxa-5λ5-phospha-spiro[4.4]nonane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 53662-75-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,6,6 and 2 respectively; the second part has 2 digits, 7 and 5 respectively. Calculate Digit Verification of CAS Registry Number 53662-75: (7*5)+(6*3)+(5*6)+(4*6)+(3*2)+(2*7)+(1*5)=132 132 % 10 = 2 So 53662-75-2 is a valid CAS Registry Number.