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[(E)-1-Cyano-2-(4-methoxy-phenyl)-vinyl]-urea is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

154199-20-9

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154199-20-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 154199-20-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,4,1,9 and 9 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 154199-20:
(8*1)+(7*5)+(6*4)+(5*1)+(4*9)+(3*9)+(2*2)+(1*0)=139
139 % 10 = 9
So 154199-20-9 is a valid CAS Registry Number.

154199-20-9Relevant academic research and scientific papers

α-Isocyanatoacrylonitriles from alkylidene- or arylidenecyanoacetic acids; synthesis and reactions

Jaafar,Francis,Danion-Bougot,Danion

, p. 56 - 60 (2007/10/02)

The Curtius reaction converts alkylidene- or arylidenecyanoacetic acids to α-isocyanatoacrylonitriles in a stereospecific way. These versatile intermediates allow an easy access to arylacetic acids and various amino acid derivatives, as well as β-lactams or 2-azabutadienes.

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