195820-65-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 195820-65-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,5,8,2 and 0 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 195820-65:
(8*1)+(7*9)+(6*5)+(5*8)+(4*2)+(3*0)+(2*6)+(1*5)=166
166 % 10 = 6
So 195820-65-6 is a valid CAS Registry Number.