23616-65-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 23616-65-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,6,1 and 6 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 23616-65:
(7*2)+(6*3)+(5*6)+(4*1)+(3*6)+(2*6)+(1*5)=101
101 % 10 = 1
So 23616-65-1 is a valid CAS Registry Number.