42279-64-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 42279-64-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,2,7 and 9 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 42279-64:
(7*4)+(6*2)+(5*2)+(4*7)+(3*9)+(2*6)+(1*4)=121
121 % 10 = 1
So 42279-64-1 is a valid CAS Registry Number.