7415-19-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7415-19-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,4,1 and 5 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 7415-19:
(6*7)+(5*4)+(4*1)+(3*5)+(2*1)+(1*9)=92
92 % 10 = 2
So 7415-19-2 is a valid CAS Registry Number.