195447-81-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 195447-81-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,5,4,4 and 7 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 195447-81:
(8*1)+(7*9)+(6*5)+(5*4)+(4*4)+(3*7)+(2*8)+(1*1)=175
175 % 10 = 5
So 195447-81-5 is a valid CAS Registry Number.