29871-12-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 29871-12-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,9,8,7 and 1 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 29871-12:
(7*2)+(6*9)+(5*8)+(4*7)+(3*1)+(2*1)+(1*2)=143
143 % 10 = 3
So 29871-12-3 is a valid CAS Registry Number.