2694-70-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2694-70-4 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, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 2694-70:
(6*2)+(5*6)+(4*9)+(3*4)+(2*7)+(1*0)=104
104 % 10 = 4
So 2694-70-4 is a valid CAS Registry Number.