271258-66-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 271258-66-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,7,1,2,5 and 8 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 271258-66:
(8*2)+(7*7)+(6*1)+(5*2)+(4*5)+(3*8)+(2*6)+(1*6)=143
143 % 10 = 3
So 271258-66-3 is a valid CAS Registry Number.