84139-30-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 84139-30-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,1,3 and 9 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 84139-30:
(7*8)+(6*4)+(5*1)+(4*3)+(3*9)+(2*3)+(1*0)=130
130 % 10 = 0
So 84139-30-0 is a valid CAS Registry Number.