147721-41-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 147721-41-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,7,7,2 and 1 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 147721-41:
(8*1)+(7*4)+(6*7)+(5*7)+(4*2)+(3*1)+(2*4)+(1*1)=133
133 % 10 = 3
So 147721-41-3 is a valid CAS Registry Number.