197863-84-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 197863-84-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,7,8,6 and 3 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 197863-84:
(8*1)+(7*9)+(6*7)+(5*8)+(4*6)+(3*3)+(2*8)+(1*4)=206
206 % 10 = 6
So 197863-84-6 is a valid CAS Registry Number.