29544-21-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 29544-21-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,9,5,4 and 4 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 29544-21:
(7*2)+(6*9)+(5*5)+(4*4)+(3*4)+(2*2)+(1*1)=126
126 % 10 = 6
So 29544-21-6 is a valid CAS Registry Number.