123656-62-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 123656-62-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,6,5 and 6 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 123656-62:
(8*1)+(7*2)+(6*3)+(5*6)+(4*5)+(3*6)+(2*6)+(1*2)=122
122 % 10 = 2
So 123656-62-2 is a valid CAS Registry Number.