256341-05-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 256341-05-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,6,3,4 and 1 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 256341-05:
(8*2)+(7*5)+(6*6)+(5*3)+(4*4)+(3*1)+(2*0)+(1*5)=126
126 % 10 = 6
So 256341-05-6 is a valid CAS Registry Number.