299462-20-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 299462-20-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,9,4,6 and 2 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 299462-20:
(8*2)+(7*9)+(6*9)+(5*4)+(4*6)+(3*2)+(2*2)+(1*0)=187
187 % 10 = 7
So 299462-20-7 is a valid CAS Registry Number.