441773-72-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 441773-72-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,1,7,7 and 3 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 441773-72:
(8*4)+(7*4)+(6*1)+(5*7)+(4*7)+(3*3)+(2*7)+(1*2)=154
154 % 10 = 4
So 441773-72-4 is a valid CAS Registry Number.