4279-99-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4279-99-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,2,7 and 9 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 4279-99:
(6*4)+(5*2)+(4*7)+(3*9)+(2*9)+(1*9)=116
116 % 10 = 6
So 4279-99-6 is a valid CAS Registry Number.