6917-04-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6917-04-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,9,1 and 7 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 6917-04:
(6*6)+(5*9)+(4*1)+(3*7)+(2*0)+(1*4)=110
110 % 10 = 0
So 6917-04-0 is a valid CAS Registry Number.