877858-56-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 877858-56-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,7,8,5 and 8 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 877858-56:
(8*8)+(7*7)+(6*7)+(5*8)+(4*5)+(3*8)+(2*5)+(1*6)=255
255 % 10 = 5
So 877858-56-5 is a valid CAS Registry Number.