507238-05-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 507238-05-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,7,2,3 and 8 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 507238-05:
(8*5)+(7*0)+(6*7)+(5*2)+(4*3)+(3*8)+(2*0)+(1*5)=133
133 % 10 = 3
So 507238-05-3 is a valid CAS Registry Number.