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CAS

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131195-28-3

(E,E)-1-(4-acetoxyphenyl)-4-amino-3-cyano-4-methoxy-2-aza-1,3-butadiene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

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  • 131195-28-3 Structure

  • Basic information

    1. Product Name: (E,E)-1-(4-acetoxyphenyl)-4-amino-3-cyano-4-methoxy-2-aza-1,3-butadiene
    2. Synonyms: (E,E)-1-(4-acetoxyphenyl)-4-amino-3-cyano-4-methoxy-2-aza-1,3-butadiene
    3. CAS NO:131195-28-3
    4. Molecular Formula:
    5. Molecular Weight: 259.265
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 131195-28-3.mol

  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: N/A
    3. Flash Point: N/A
    4. Appearance: N/A
    5. Density: N/A
    6. Refractive Index: N/A
    7. Storage Temp.: N/A
    8. Solubility: N/A
    9. CAS DataBase Reference: (E,E)-1-(4-acetoxyphenyl)-4-amino-3-cyano-4-methoxy-2-aza-1,3-butadiene(CAS DataBase Reference)
    10. NIST Chemistry Reference: (E,E)-1-(4-acetoxyphenyl)-4-amino-3-cyano-4-methoxy-2-aza-1,3-butadiene(131195-28-3)
    11. EPA Substance Registry System: (E,E)-1-(4-acetoxyphenyl)-4-amino-3-cyano-4-methoxy-2-aza-1,3-butadiene(131195-28-3)

  • Safety Data

    1. Hazard Codes: N/A
    2. Statements: N/A
    3. Safety Statements: N/A
    4. WGK Germany:
    5. RTECS:
    6. HazardClass: N/A
    7. PackingGroup: N/A
    8. Hazardous Substances Data: 131195-28-3(Hazardous Substances Data)

131195-28-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 131195-28-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,1,9 and 5 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 131195-28:
(8*1)+(7*3)+(6*1)+(5*1)+(4*9)+(3*5)+(2*2)+(1*8)=103
103 % 10 = 3
So 131195-28-3 is a valid CAS Registry Number.

131195-28-3Downstream Products

131195-28-3Relevant articles and documents

Reaction of Aminopropanedinitrile 4-Methylbenzenesulfonate with Aromatic Aldehydes

Freeman, Fillmore,Kim, Darrick S. H. L.

, p. 657 - 663 (2007/10/02)

Aminpropanedinitril 4-methylbenzenesulfonate (ammoniopropanedinitrile p-toluenesulfonate, aminomalonitrile p-toluenesulfonate (tosylate), 1) reacts with aromatic aldehydes in methanolic sodium ethanoate to give diastereoselctively (E,E)-4-amino-1-aryl-3-cyano-4-methoxy-2-aza-1,3-butadienes (3) and trans-3,6-diaryl-2,2,5,5-tetracyanopiperazines (4).The product distribution (3:4) depends on the ratio of reactants and the structures of the substrates.Electron-releasing groups on the 4-position of the phenyl ring favor piperazine (4) formation (method B).The formation of piperazine (4) may involve synthetically useful N-protonated aryl- and cyano-stabilized azomethine ylide tautomerism of prior formed 1-aryl-3,3-dicyano-2-aza-1-propenes. 1,3-Dipolar cycloaddition reactions of the highly reactive azomethine ylides with dimethyl 1,2-ethynedicarboxylate (DMAD) give 3,4-dicarbomethoxy-2-cyano-5-aryl-3-pyrrolines, which undergo facile dehydrocyanation to 3,4-dicarbomethoxy-2-cyano-5-arylpyrroles.The possible intermediacy of ketenimines and of aryl- and cyano-stabilized 2-azaallyl anionic intermediates in equilibrium with azomethine ylides is also considered.

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