84345-69-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 84345-69-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,3,4 and 5 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 84345-69:
(7*8)+(6*4)+(5*3)+(4*4)+(3*5)+(2*6)+(1*9)=147
147 % 10 = 7
So 84345-69-7 is a valid CAS Registry Number.