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3433-16-7

9-Oxononanoic acid ethyl ester, also known as ethyl 9-oxononanoate, is an organic compound with the chemical formula C11H20O3. It is a colorless liquid with a molecular weight of 200.28 g/mol. This ester is derived from 9-oxononanoic acid, where the carboxylic acid group is replaced by an ethoxy group. It is used as a synthetic intermediate in the production of various chemicals, pharmaceuticals, and fragrances. The compound is characterized by its fruity and floral odor, making it a valuable component in the perfume industry. It is also known for its potential applications in the synthesis of biologically active compounds and as a reagent in organic chemistry.

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  • 3433-16-7 Structure

  • Basic information

    1. Product Name: 9-Oxononanoic acid ethyl ester
    2. Synonyms: 9-Oxononanoic acid ethyl ester
    3. CAS NO:3433-16-7
    4. Molecular Formula: C11H20O3
    5. Molecular Weight: 200.2747
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 3433-16-7.mol
    9. Article Data: 1

  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: 267.9°Cat760mmHg
    3. Flash Point: 110.8°C
    4. Appearance: /
    5. Density: 0.949g/cm3
    6. Vapor Pressure: 0.00794mmHg at 25°C
    7. Refractive Index: 1.434
    8. Storage Temp.: N/A
    9. Solubility: N/A
    10. CAS DataBase Reference: 9-Oxononanoic acid ethyl ester(CAS DataBase Reference)
    11. NIST Chemistry Reference: 9-Oxononanoic acid ethyl ester(3433-16-7)
    12. EPA Substance Registry System: 9-Oxononanoic acid ethyl ester(3433-16-7)

  • 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: 3433-16-7(Hazardous Substances Data)

3433-16-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 3433-16-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,4,3 and 3 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 3433-16:
(6*3)+(5*4)+(4*3)+(3*3)+(2*1)+(1*6)=67
67 % 10 = 7
So 3433-16-7 is a valid CAS Registry Number.
InChI:InChI=1/C11H20O3/c1-2-14-11(13)9-7-5-3-4-6-8-10-12/h10H,2-9H2,1H3

3433-16-7Relevant articles and documents

Ring strain-promoted allylic transposition of cyclic silyl ethers

Volchkov, Ivan,Park, Sangho,Lee, Daesung

supporting information; experimental part, p. 3530 - 3533 (2011/09/15)

Relief of the ring strain of medium-sized rings promotes a regioselective allylic transposition of a C-O bond when catalyzed by rhenium oxide. Through the allylic transposition, eight-membered cyclic silyl ethers undergo ring contraction to the corresponding six-membered siloxacycles.

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