81729-76-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81729-76-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,7,2 and 9 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 81729-76:
(7*8)+(6*1)+(5*7)+(4*2)+(3*9)+(2*7)+(1*6)=152
152 % 10 = 2
So 81729-76-2 is a valid CAS Registry Number.