2655-87-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2655-87-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,6,5 and 5 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 2655-87:
(6*2)+(5*6)+(4*5)+(3*5)+(2*8)+(1*7)=100
100 % 10 = 0
So 2655-87-0 is a valid CAS Registry Number.