26953-26-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 26953-26-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,6,9,5 and 3 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 26953-26:
(7*2)+(6*6)+(5*9)+(4*5)+(3*3)+(2*2)+(1*6)=134
134 % 10 = 4
So 26953-26-4 is a valid CAS Registry Number.