74769-49-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74769-49-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,7,6 and 9 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 74769-49:
(7*7)+(6*4)+(5*7)+(4*6)+(3*9)+(2*4)+(1*9)=176
176 % 10 = 6
So 74769-49-6 is a valid CAS Registry Number.