502987-39-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 502987-39-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,2,9,8 and 7 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 502987-39:
(8*5)+(7*0)+(6*2)+(5*9)+(4*8)+(3*7)+(2*3)+(1*9)=165
165 % 10 = 5
So 502987-39-5 is a valid CAS Registry Number.