83474-53-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83474-53-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,4,7 and 4 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 83474-53:
(7*8)+(6*3)+(5*4)+(4*7)+(3*4)+(2*5)+(1*3)=147
147 % 10 = 7
So 83474-53-7 is a valid CAS Registry Number.