299406-18-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 299406-18-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,9,4,0 and 6 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 299406-18:
(8*2)+(7*9)+(6*9)+(5*4)+(4*0)+(3*6)+(2*1)+(1*8)=181
181 % 10 = 1
So 299406-18-1 is a valid CAS Registry Number.