3,5-Dimethoxy-4-methyl-phenylacetylchlorid, also known as 3,5-dimethoxy-4-methylphenyl acetic acid chloride, is an organic compound with the chemical formula C10H11ClO3. It is a colorless to pale yellow liquid with a molecular weight of 214.65 g/mol. 3,5-Dimethoxy-4-methyl-phenylacetylchlorid is characterized by the presence of a phenyl ring with a methyl group at the 4-position, two methoxy groups at the 3 and 5 positions, and an acetyl chloride functional group. It is synthesized by the reaction of 3,5-dimethoxy-4-methylphenyl acetic acid with thionyl chloride or phosphorus pentachloride. 3,5-Dimethoxy-4-methyl-phenylacetylchlorid is used as an intermediate in the synthesis of various pharmaceuticals, agrochemicals, and other organic compounds. It is sensitive to moisture and should be stored under anhydrous conditions to prevent hydrolysis.
The CAS Registry Mumber 2553-89-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,5,5 and 3 respectively; the second part has 2 digits, 8 and 9 respectively. Calculate Digit Verification of CAS Registry Number 2553-89: (6*2)+(5*5)+(4*5)+(3*3)+(2*8)+(1*9)=91 91 % 10 = 1 So 2553-89-1 is a valid CAS Registry Number.