2769-47-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2769-47-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,7,6 and 9 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 2769-47:
(6*2)+(5*7)+(4*6)+(3*9)+(2*4)+(1*7)=113
113 % 10 = 3
So 2769-47-3 is a valid CAS Registry Number.