195821-92-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 195821-92-2 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 1 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 195821-92:
(8*1)+(7*9)+(6*5)+(5*8)+(4*2)+(3*1)+(2*9)+(1*2)=172
172 % 10 = 2
So 195821-92-2 is a valid CAS Registry Number.