26541-47-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 26541-47-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,6,5,4 and 1 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 26541-47:
(7*2)+(6*6)+(5*5)+(4*4)+(3*1)+(2*4)+(1*7)=109
109 % 10 = 9
So 26541-47-9 is a valid CAS Registry Number.