2508-76-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2508-76-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,5,0 and 8 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 2508-76:
(6*2)+(5*5)+(4*0)+(3*8)+(2*7)+(1*6)=81
81 % 10 = 1
So 2508-76-1 is a valid CAS Registry Number.