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148839-42-3

2-o-Tolyl-thiophene-3-carboxylic acid diethylamide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

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  • 148839-42-3 Structure

  • Basic information

    1. Product Name: 2-o-Tolyl-thiophene-3-carboxylic acid diethylamide
    2. Synonyms: 2-o-Tolyl-thiophene-3-carboxylic acid diethylamide
    3. CAS NO:148839-42-3
    4. Molecular Formula:
    5. Molecular Weight: 273.399
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 148839-42-3.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: 2-o-Tolyl-thiophene-3-carboxylic acid diethylamide(CAS DataBase Reference)
    10. NIST Chemistry Reference: 2-o-Tolyl-thiophene-3-carboxylic acid diethylamide(148839-42-3)
    11. EPA Substance Registry System: 2-o-Tolyl-thiophene-3-carboxylic acid diethylamide(148839-42-3)

  • 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: 148839-42-3(Hazardous Substances Data)

148839-42-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 148839-42-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,8,8,3 and 9 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 148839-42:
(8*1)+(7*4)+(6*8)+(5*8)+(4*3)+(3*9)+(2*4)+(1*2)=173
173 % 10 = 3
So 148839-42-3 is a valid CAS Registry Number.

148839-42-3Downstream Products

148839-42-3Relevant articles and documents

COMBINED DIRECTED METALATION-CROSS COUPLING STRATEGIES. A REGIOSPECIFIC ROUTE TO HETERORING-ANNELATED ortho-NAPHTHOQUINONES AND A SHORT SYNTHESIS OF β-LAPACHONE

Brandao, Marcos A. F.,Oliveira, Alaide Braga de,Snieckus, Victor

, p. 2437 - 2440 (2007/10/02)

A general combined metalation-cross coupling methodology (Scheme 1) for the regiospecific construction of heteroring fused o-naphthoquinones 8 is described and its application to a short synthesis of the antimalarial/antitumor natural product β-lapachone (14) is demonstrated.

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