3549-26-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3549-26-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,5,4 and 9 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 3549-26:
(6*3)+(5*5)+(4*4)+(3*9)+(2*2)+(1*6)=96
96 % 10 = 6
So 3549-26-6 is a valid CAS Registry Number.