656824-48-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 656824-48-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,5,6,8,2 and 4 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 656824-48:
(8*6)+(7*5)+(6*6)+(5*8)+(4*2)+(3*4)+(2*4)+(1*8)=195
195 % 10 = 5
So 656824-48-5 is a valid CAS Registry Number.