41784-64-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 41784-64-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,1,7,8 and 4 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 41784-64:
(7*4)+(6*1)+(5*7)+(4*8)+(3*4)+(2*6)+(1*4)=129
129 % 10 = 9
So 41784-64-9 is a valid CAS Registry Number.