634928-13-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 634928-13-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,3,4,9,2 and 8 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 634928-13:
(8*6)+(7*3)+(6*4)+(5*9)+(4*2)+(3*8)+(2*1)+(1*3)=175
175 % 10 = 5
So 634928-13-5 is a valid CAS Registry Number.