4361-19-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4361-19-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,3,6 and 1 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 4361-19:
(6*4)+(5*3)+(4*6)+(3*1)+(2*1)+(1*9)=77
77 % 10 = 7
So 4361-19-7 is a valid CAS Registry Number.