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C20H14ClN3O3S2 is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

857041-04-4

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857041-04-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 857041-04-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,0,4 and 1 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 857041-04:
(8*8)+(7*5)+(6*7)+(5*0)+(4*4)+(3*1)+(2*0)+(1*4)=164
164 % 10 = 4
So 857041-04-4 is a valid CAS Registry Number.

857041-04-4Downstream Products

857041-04-4Relevant academic research and scientific papers

Approach to the library of 3-hydroxy-1,5-dihydro-2H-pyrrol-2-ones through a three-component condensation

Ryabukhin, Sergey V.,Panov, Dmitriy M.,Plaskon, Andrey S.,Grygorenko, Oleksandr O.

, p. 631 - 635 (2013/02/23)

A convenient procedure for the parallel synthesis of 3-hydroxy-1,5-dihydro- 2H-pyrrol-2-ones through a three-component condensation of active methylene compounds, aldehydes, and amines was developed. It was shown that the use of acetic acid as the reactio

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