139700-44-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 139700-44-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,7,0 and 0 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 139700-44:
(8*1)+(7*3)+(6*9)+(5*7)+(4*0)+(3*0)+(2*4)+(1*4)=130
130 % 10 = 0
So 139700-44-0 is a valid CAS Registry Number.