880139-84-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 880139-84-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,8,0,1,3 and 9 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 880139-84:
(8*8)+(7*8)+(6*0)+(5*1)+(4*3)+(3*9)+(2*8)+(1*4)=184
184 % 10 = 4
So 880139-84-4 is a valid CAS Registry Number.