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141990-71-8

3H-Pyrano[2,3-c]isoquinoline-2-carboxylic acid, 5-(3-butynyl)-5,6-dihydro-8,9-dimethoxy-3,6-dioxo-, 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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  • 3H-Pyrano[2,3-c]isoquinoline-2-carboxylic acid, 5-(3-butynyl)-5,6-dihydro-8,9-dimethoxy-3,6-dioxo-, ethyl ester

    Cas No: 141990-71-8

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  • 141990-71-8 Structure

  • Basic information

    1. Product Name: 3H-Pyrano[2,3-c]isoquinoline-2-carboxylic acid, 5-(3-butynyl)-5,6-dihydro-8,9-dimethoxy-3,6-dioxo-, ethyl ester
    2. Synonyms:
    3. CAS NO:141990-71-8
    4. Molecular Formula: C21H19NO7
    5. Molecular Weight: 397.384
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 141990-71-8.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: 3H-Pyrano[2,3-c]isoquinoline-2-carboxylic acid, 5-(3-butynyl)-5,6-dihydro-8,9-dimethoxy-3,6-dioxo-, ethyl ester(CAS DataBase Reference)
    10. NIST Chemistry Reference: 3H-Pyrano[2,3-c]isoquinoline-2-carboxylic acid, 5-(3-butynyl)-5,6-dihydro-8,9-dimethoxy-3,6-dioxo-, ethyl ester(141990-71-8)
    11. EPA Substance Registry System: 3H-Pyrano[2,3-c]isoquinoline-2-carboxylic acid, 5-(3-butynyl)-5,6-dihydro-8,9-dimethoxy-3,6-dioxo-, ethyl ester(141990-71-8)

  • 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: 141990-71-8(Hazardous Substances Data)

141990-71-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 141990-71-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,1,9,9 and 0 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 141990-71:
(8*1)+(7*4)+(6*1)+(5*9)+(4*9)+(3*0)+(2*7)+(1*1)=138
138 % 10 = 8
So 141990-71-8 is a valid CAS Registry Number.

141990-71-8Downstream Products

141990-71-8Relevant articles and documents

A New Approach to the Synthesis of Antitumour Alkaloids with the Lycorane Skeleton

Perez, Dolores,Guitian, Enrique,Castedo, Luis

, p. 2407 - 2408 (1992)

A new approach to the synthesis of lycorane-type alkaloids is described.The key step is intramolecular cycloaddition between an α-pyrone and an alkyne. Key Words: Pyrone-alkyne intramolecular cycloaddition, Lycorane-type Alkaloids.

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