877646-25-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 877646-25-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,7,6,4 and 6 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 877646-25:
(8*8)+(7*7)+(6*7)+(5*6)+(4*4)+(3*6)+(2*2)+(1*5)=228
228 % 10 = 8
So 877646-25-8 is a valid CAS Registry Number.