139300-90-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 139300-90-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,3,0 and 0 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 139300-90:
(8*1)+(7*3)+(6*9)+(5*3)+(4*0)+(3*0)+(2*9)+(1*0)=116
116 % 10 = 6
So 139300-90-6 is a valid CAS Registry Number.