71624-31-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71624-31-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,6,2 and 4 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 71624-31:
(7*7)+(6*1)+(5*6)+(4*2)+(3*4)+(2*3)+(1*1)=112
112 % 10 = 2
So 71624-31-2 is a valid CAS Registry Number.