220119-16-4 Usage
Uses
25-Cyclohexyl-5-demethoxy-25-de(1-methylpropyl)-22,23-dihydro-5-oxo-avermectin A1a is an intermediate in synthesizing 4''-O-2,6-Dideoxy-3-O-methyl-α-L-arabino-hexopyranosyl Selamectin (D440100), which s an impurity of Selamectin (S247990), a topical parasiticide. Selamectin (S247990) is also used as a veterinary antihelminithic agent on animals.
Check Digit Verification of cas no
The CAS Registry Mumber 220119-16-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,1,1 and 9 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 220119-16:
(8*2)+(7*2)+(6*0)+(5*1)+(4*1)+(3*9)+(2*1)+(1*6)=74
74 % 10 = 4
So 220119-16-4 is a valid CAS Registry Number.