4799-20-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4799-20-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,7,9 and 9 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 4799-20:
(6*4)+(5*7)+(4*9)+(3*9)+(2*2)+(1*0)=126
126 % 10 = 6
So 4799-20-6 is a valid CAS Registry Number.