5-(4-methoxy-phenyl)-2,2,3,3,7,7,8,8-octamethyl-1,4,6,9-tetraoxa-5λ5-arsa-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 32025-20-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,2,0,2 and 5 respectively; the second part has 2 digits, 2 and 0 respectively. Calculate Digit Verification of CAS Registry Number 32025-20: (7*3)+(6*2)+(5*0)+(4*2)+(3*5)+(2*2)+(1*0)=60 60 % 10 = 0 So 32025-20-0 is a valid CAS Registry Number.