656252-26-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 656252-26-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,5,6,2,5 and 2 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 656252-26:
(8*6)+(7*5)+(6*6)+(5*2)+(4*5)+(3*2)+(2*2)+(1*6)=165
165 % 10 = 5
So 656252-26-5 is a valid CAS Registry Number.