1,4,6,9-Tetraphosphanonane, 1,1,4,6,9,9-hexaphenyl-, (4R,6R)-rel- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 120231-82-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,2,3 and 1 respectively; the second part has 2 digits, 8 and 2 respectively. Calculate Digit Verification of CAS Registry Number 120231-82: (8*1)+(7*2)+(6*0)+(5*2)+(4*3)+(3*1)+(2*8)+(1*2)=65 65 % 10 = 5 So 120231-82-5 is a valid CAS Registry Number.