502971-07-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 502971-07-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,2,9,7 and 1 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 502971-07:
(8*5)+(7*0)+(6*2)+(5*9)+(4*7)+(3*1)+(2*0)+(1*7)=135
135 % 10 = 5
So 502971-07-5 is a valid CAS Registry Number.