568555-21-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 568555-21-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,6,8,5,5 and 5 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 568555-21:
(8*5)+(7*6)+(6*8)+(5*5)+(4*5)+(3*5)+(2*2)+(1*1)=195
195 % 10 = 5
So 568555-21-5 is a valid CAS Registry Number.