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α-Acetoxy-cinnamoylchlorid, also known as α-acetoxybenzeneacetyl chloride, is an organic chemical compound with the molecular formula C10H9ClO3. It is a colorless to pale yellow crystalline solid that is soluble in organic solvents. α-Acetoxy-cinnmoylchlorid is primarily used as a reagent in organic synthesis, particularly in the preparation of various pharmaceuticals, agrochemicals, and other specialty chemicals. It is synthesized by the reaction of α-acetoxybenzeneacetic acid with thionyl chloride, resulting in the formation of the acyl chloride. Due to its reactivity, α-acetoxy-cinnamoylchlorid is a valuable intermediate in the synthesis of various esters, amides, and other derivatives, making it an important building block in the chemical industry.

21646-80-0

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21646-80-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 21646-80-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,6,4 and 6 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 21646-80:
(7*2)+(6*1)+(5*6)+(4*4)+(3*6)+(2*8)+(1*0)=100
100 % 10 = 0
So 21646-80-0 is a valid CAS Registry Number.

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