139633-65-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 139633-65-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,6,3 and 3 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 139633-65:
(8*1)+(7*3)+(6*9)+(5*6)+(4*3)+(3*3)+(2*6)+(1*5)=151
151 % 10 = 1
So 139633-65-1 is a valid CAS Registry Number.