255843-61-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 255843-61-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,5,8,4 and 3 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 255843-61:
(8*2)+(7*5)+(6*5)+(5*8)+(4*4)+(3*3)+(2*6)+(1*1)=159
159 % 10 = 9
So 255843-61-9 is a valid CAS Registry Number.