634592-71-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 634592-71-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,3,4,5,9 and 2 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 634592-71:
(8*6)+(7*3)+(6*4)+(5*5)+(4*9)+(3*2)+(2*7)+(1*1)=175
175 % 10 = 5
So 634592-71-5 is a valid CAS Registry Number.