26653-41-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 26653-41-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,6,6,5 and 3 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 26653-41:
(7*2)+(6*6)+(5*6)+(4*5)+(3*3)+(2*4)+(1*1)=118
118 % 10 = 8
So 26653-41-8 is a valid CAS Registry Number.