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(2-Chloro-5-fluoro-phenoxy)-acetic acid is a synthetic organic compound characterized by its molecular formula C8H6ClFO3. (2-chloro-5-fluoro-phenoxy)-acetic acid features a phenoxy group, which is a benzene ring with a hydroxyl group attached, substituted at the 2nd position with a chlorine atom and at the 5th position with a fluorine atom. The acetic acid part of the molecule is attached to the phenoxy group, forming an ester linkage. This chemical is known for its potential applications in the synthesis of various pharmaceuticals and agrochemicals, particularly as a precursor in the production of herbicides. It is important to handle (2-chloro-5-fluoro-phenoxy)-acetic acid with care due to its potential reactivity and the presence of halogenated substituents, which can affect its stability and environmental impact.

451-19-4

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451-19-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 451-19-4 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 4,5 and 1 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 451-19:
(5*4)+(4*5)+(3*1)+(2*1)+(1*9)=54
54 % 10 = 4
So 451-19-4 is a valid CAS Registry Number.
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