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201684-34-6

Toluene-4-sulfonic acid 5-bromo-3-formyl-1H-indol-7-yl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

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  • 201684-34-6 Structure

  • Basic information

    1. Product Name: Toluene-4-sulfonic acid 5-bromo-3-formyl-1H-indol-7-yl ester
    2. Synonyms:
    3. CAS NO:201684-34-6
    4. Molecular Formula:
    5. Molecular Weight: 394.246
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 201684-34-6.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 5-bromo-3-formyl-1H-indol-7-yl ester(CAS DataBase Reference)
    10. NIST Chemistry Reference: Toluene-4-sulfonic acid 5-bromo-3-formyl-1H-indol-7-yl ester(201684-34-6)
    11. EPA Substance Registry System: Toluene-4-sulfonic acid 5-bromo-3-formyl-1H-indol-7-yl ester(201684-34-6)

  • 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: 201684-34-6(Hazardous Substances Data)

201684-34-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 201684-34-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,1,6,8 and 4 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 201684-34:
(8*2)+(7*0)+(6*1)+(5*6)+(4*8)+(3*4)+(2*3)+(1*4)=106
106 % 10 = 6
So 201684-34-6 is a valid CAS Registry Number.

201684-34-6Relevant articles and documents

Fischer indolization of 2-sulfonyloxyphenylhydrazones: A new and practical approach for preparing 7-oxygenated indoles and application to the first synthesis of eudistomidin-A. (Fischer indolization and its related compounds. Part 28)

Murakami, Yasuoki,Watanabe, Toshiko,Takahashi, Hiroyuki,Yokoo, Hiroshi,Nakazawa, Yoshie,Koshimizu, Michie,Adachi, Nori,Kurita, Masami,Yoshino, Tomoko,Inagaki, Takayuki,Ohishi, Maki,Watanabe, Mari,Tani, Masanobu,Yokoyama, Yuusaku

, p. 45 - 64 (2007/10/03)

An efficient method for synthesis of 7-oxygenated indoles was established by Fischer indolization of the phenylhydrazones (10) with a sulfonyloxy group at the ortho-position. This method was applied to the first synthesis of the calmodulin antagonist eudistomidin-A (2).

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