39091-69-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 39091-69-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,9,0,9 and 1 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 39091-69:
(7*3)+(6*9)+(5*0)+(4*9)+(3*1)+(2*6)+(1*9)=135
135 % 10 = 5
So 39091-69-5 is a valid CAS Registry Number.