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4-Chloracetyl-3-methyl-phenoxyessigsaeure, also known as 4-chloroacetyl-3-methylphenoxyacetic acid, is an organic compound with the chemical formula C10H9ClO3. It is a derivative of phenoxyacetic acid, featuring a 3-methylphenoxy group and a 4-chloroacetyl moiety. 4-Chloracetyl-3-methyl-phenoxyessigsaeure is characterized by its potential applications in the synthesis of various pharmaceuticals and agrochemicals, particularly as an intermediate in the production of herbicides and other chemical products. Its chemical structure allows for further functionalization and modification, making it a valuable building block in organic chemistry.

1142-09-2

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1142-09-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1142-09-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,1,4 and 2 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1142-09:
(6*1)+(5*1)+(4*4)+(3*2)+(2*0)+(1*9)=42
42 % 10 = 2
So 1142-09-2 is a valid CAS Registry Number.
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