2694-19-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2694-19-1 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 4 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 2694-19:
(6*2)+(5*6)+(4*9)+(3*4)+(2*1)+(1*9)=101
101 % 10 = 1
So 2694-19-1 is a valid CAS Registry Number.