877808-24-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 877808-24-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,7,8,0 and 8 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 877808-24:
(8*8)+(7*7)+(6*7)+(5*8)+(4*0)+(3*8)+(2*2)+(1*4)=227
227 % 10 = 7
So 877808-24-7 is a valid CAS Registry Number.