715644-76-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 715644-76-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,1,5,6,4 and 4 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 715644-76:
(8*7)+(7*1)+(6*5)+(5*6)+(4*4)+(3*4)+(2*7)+(1*6)=171
171 % 10 = 1
So 715644-76-1 is a valid CAS Registry Number.