6197-90-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6197-90-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,1,9 and 7 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 6197-90:
(6*6)+(5*1)+(4*9)+(3*7)+(2*9)+(1*0)=116
116 % 10 = 6
So 6197-90-6 is a valid CAS Registry Number.