383-43-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 383-43-7 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 3,8 and 3 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 383-43:
(5*3)+(4*8)+(3*3)+(2*4)+(1*3)=67
67 % 10 = 7
So 383-43-7 is a valid CAS Registry Number.