79422-42-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 79422-42-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,4,2 and 2 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 79422-42:
(7*7)+(6*9)+(5*4)+(4*2)+(3*2)+(2*4)+(1*2)=147
147 % 10 = 7
So 79422-42-7 is a valid CAS Registry Number.