1568-17-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1568-17-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,5,6 and 8 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1568-17:
(6*1)+(5*5)+(4*6)+(3*8)+(2*1)+(1*7)=88
88 % 10 = 8
So 1568-17-8 is a valid CAS Registry Number.