195818-25-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 195818-25-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,5,8,1 and 8 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 195818-25:
(8*1)+(7*9)+(6*5)+(5*8)+(4*1)+(3*8)+(2*2)+(1*5)=178
178 % 10 = 8
So 195818-25-8 is a valid CAS Registry Number.