25331-44-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 25331-44-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,3,3 and 1 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 25331-44:
(7*2)+(6*5)+(5*3)+(4*3)+(3*1)+(2*4)+(1*4)=86
86 % 10 = 6
So 25331-44-6 is a valid CAS Registry Number.