74383-46-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74383-46-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,3,8 and 3 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 74383-46:
(7*7)+(6*4)+(5*3)+(4*8)+(3*3)+(2*4)+(1*6)=143
143 % 10 = 3
So 74383-46-3 is a valid CAS Registry Number.