139366-83-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 139366-83-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,3,6 and 6 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 139366-83:
(8*1)+(7*3)+(6*9)+(5*3)+(4*6)+(3*6)+(2*8)+(1*3)=159
159 % 10 = 9
So 139366-83-9 is a valid CAS Registry Number.