26385-57-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 26385-57-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,6,3,8 and 5 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 26385-57:
(7*2)+(6*6)+(5*3)+(4*8)+(3*5)+(2*5)+(1*7)=129
129 % 10 = 9
So 26385-57-9 is a valid CAS Registry Number.