256239-95-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 256239-95-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,6,2,3 and 9 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 256239-95:
(8*2)+(7*5)+(6*6)+(5*2)+(4*3)+(3*9)+(2*9)+(1*5)=159
159 % 10 = 9
So 256239-95-9 is a valid CAS Registry Number.