(2-Ethoxy-ethoxy)-acetyl chloride, also known as 2-(2-ethoxyethoxy)acetyl chloride or 2-(2-ethoxyethoxy)-2-oxoethyl chloride, is an organic compound with the chemical formula C6H11ClO3. It is a colorless liquid that is soluble in organic solvents and has a molecular weight of 162.6 g/mol. This chemical is primarily used as a reagent in the synthesis of various pharmaceuticals, agrochemicals, and other specialty chemicals. It is known for its ability to act as a protecting group in organic synthesis, particularly in the protection of hydroxyl groups. The compound is also used in the preparation of esters and amides. Due to its reactivity, it is important to handle this chemical with care, as it can be corrosive and harmful if inhaled or absorbed through the skin.
The CAS Registry Mumber 7743-93-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,7,4 and 3 respectively; the second part has 2 digits, 9 and 3 respectively. Calculate Digit Verification of CAS Registry Number 7743-93: (6*7)+(5*7)+(4*4)+(3*3)+(2*9)+(1*3)=123 123 % 10 = 3 So 7743-93-3 is a valid CAS Registry Number.