74476-16-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74476-16-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,4,7 and 6 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 74476-16:
(7*7)+(6*4)+(5*4)+(4*7)+(3*6)+(2*1)+(1*6)=147
147 % 10 = 7
So 74476-16-7 is a valid CAS Registry Number.