501939-13-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 501939-13-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,1,9,3 and 9 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 501939-13:
(8*5)+(7*0)+(6*1)+(5*9)+(4*3)+(3*9)+(2*1)+(1*3)=135
135 % 10 = 5
So 501939-13-5 is a valid CAS Registry Number.