871499-97-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 871499-97-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,1,4,9 and 9 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 871499-97:
(8*8)+(7*7)+(6*1)+(5*4)+(4*9)+(3*9)+(2*9)+(1*7)=227
227 % 10 = 7
So 871499-97-7 is a valid CAS Registry Number.