2693-17-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2693-17-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,6,9 and 3 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 2693-17:
(6*2)+(5*6)+(4*9)+(3*3)+(2*1)+(1*7)=96
96 % 10 = 6
So 2693-17-6 is a valid CAS Registry Number.