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cis-2-Chlor-3-oxo-1,3-bis-(4-chlor-phenyl)-propen-(1) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

20724-87-2

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20724-87-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 20724-87-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,7,2 and 4 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 20724-87:
(7*2)+(6*0)+(5*7)+(4*2)+(3*4)+(2*8)+(1*7)=92
92 % 10 = 2
So 20724-87-2 is a valid CAS Registry Number.

20724-87-2Relevant academic research and scientific papers

An approach to synthesis of (Z)-2-chloro-1,3-diarylpropen-1-ones by Vilsmeier reagent (bis-(trichloromethyl) carbonate/DMF)

Weng, Yi Yi,Li, Jian Jun,Su, Wei Ke

experimental part, p. 1395 - 1398 (2012/06/01)

A series of (Z)-2-chloro-1,3-diarylpropen-l-ones were unexpectedly synthesized in moderate yields by treatment of easily available 2,3-epoxy-l, 3-diarylpropan-1-ones with Vilsmeier reagent, which was derived from bis(trichloromethyl) carbonate (BTC, triph

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