874342-13-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 874342-13-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,4,3,4 and 2 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 874342-13:
(8*8)+(7*7)+(6*4)+(5*3)+(4*4)+(3*2)+(2*1)+(1*3)=179
179 % 10 = 9
So 874342-13-9 is a valid CAS Registry Number.