42383-79-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 42383-79-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,3,8 and 3 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 42383-79:
(7*4)+(6*2)+(5*3)+(4*8)+(3*3)+(2*7)+(1*9)=119
119 % 10 = 9
So 42383-79-9 is a valid CAS Registry Number.