198637-92-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 198637-92-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,8,6,3 and 7 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 198637-92:
(8*1)+(7*9)+(6*8)+(5*6)+(4*3)+(3*7)+(2*9)+(1*2)=202
202 % 10 = 2
So 198637-92-2 is a valid CAS Registry Number.