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104104-92-9

toluene-4-sulfonic acid-2-pyrrol-1-yl-ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

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  • 104104-92-9 Structure

  • Basic information

    1. Product Name: toluene-4-sulfonic acid-2-pyrrol-1-yl-ethyl ester
    2. Synonyms: toluene-4-sulfonic acid-2-pyrrol-1-yl-ethyl ester
    3. CAS NO:104104-92-9
    4. Molecular Formula:
    5. Molecular Weight: 265.333
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 104104-92-9.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: toluene-4-sulfonic acid-2-pyrrol-1-yl-ethyl ester(CAS DataBase Reference)
    10. NIST Chemistry Reference: toluene-4-sulfonic acid-2-pyrrol-1-yl-ethyl ester(104104-92-9)
    11. EPA Substance Registry System: toluene-4-sulfonic acid-2-pyrrol-1-yl-ethyl ester(104104-92-9)

  • 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: 104104-92-9(Hazardous Substances Data)

104104-92-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 104104-92-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,1,0 and 4 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 104104-92:
(8*1)+(7*0)+(6*4)+(5*1)+(4*0)+(3*4)+(2*9)+(1*2)=69
69 % 10 = 9
So 104104-92-9 is a valid CAS Registry Number.

104104-92-9Relevant articles and documents

Enantioselective Fujiwara-Moritani indole and pyrrole annulations catalyzed by chiral palladium(II)-NicOx complexes

Schiffner, Julia A.,Woeste, Thorsten H.,Oestreich, Martin

supporting information; experimental part, p. 174 - 182 (2010/04/02)

The catalytic asymmetric Fujiwara-Moritani ring closures of several indole-and pyrrole-based cyclization precursors are reported. These unprecedented oxidative palladium(II)-catalyzed annulations allow for the formation of a stereogenic quaternary carbon atom, and decent levels of enantiocontrol are seen in 5-exo-trig cyclizations (54% ee for an indole and 76% ee for a pyrrole) while 6-exo-trig ring closures afford essentially racemic material. Novel oxazoline ligands with a nicotine platform (NicOx) are pivotal for good catalytic turnover as conventional PyOx ligands failed to produce acceptable chemical yields. The preparation of these NicOx ligands as well as the syntheses of the cyclization precursors are described in detail.

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