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4-Brom-2-chlormethylphenoxyessigsaeure, also known as 4-bromo-2-(chloromethyl)phenoxyacetic acid, is a chemical compound with the molecular formula C8H6BrClO3. It is a halogenated derivative of phenoxyacetic acid, featuring a bromine atom at the 4-position and a chlorine atom at the 2-position, with a chloromethyl group attached to the phenoxy ring. 4-Brom-2-chlormethylphenoxyessigsaeure is typically used as an intermediate in the synthesis of various pharmaceuticals and agrochemicals, such as herbicides and plant growth regulators. Due to its reactive functional groups, it can undergo further chemical reactions, making it a valuable building block in organic synthesis.

4287-05-2

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4287-05-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4287-05-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,2,8 and 7 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 4287-05:
(6*4)+(5*2)+(4*8)+(3*7)+(2*0)+(1*5)=92
92 % 10 = 2
So 4287-05-2 is a valid CAS Registry Number.

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