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18465-95-7

5-methyl-8-(propan-2-yl)-3a,4,7,7a-tetrahydro-4,7-ethano-2-benzofuran-1,3-dione is a complex organic compound with a molecular formula of C14H16O4. It is a derivative of benzofuran, which is a heterocyclic aromatic organic compound consisting of a benzene ring fused to a furan ring. The compound features a methyl group at the 5th position, a propyl group at the 8th position, and an ethano bridge connecting the 4th and 7th positions. The 1,3-dione functional group indicates the presence of two carbonyl groups at the 1st and 3rd positions. This chemical is primarily used in the synthesis of various pharmaceuticals and agrochemicals due to its unique structure and properties.

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  • 18465-95-7 Structure

  • Basic information

    1. Product Name: 5-methyl-8-(propan-2-yl)-3a,4,7,7a-tetrahydro-4,7-ethano-2-benzofuran-1,3-dione
    2. Synonyms:
    3. CAS NO:18465-95-7
    4. Molecular Formula: C14H18O3
    5. Molecular Weight: 234.2909
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 18465-95-7.mol

  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: 363.8°C at 760 mmHg
    3. Flash Point: 168.7°C
    4. Appearance: N/A
    5. Density: 1.145g/cm3
    6. Vapor Pressure: 1.76E-05mmHg at 25°C
    7. Refractive Index: 1.52
    8. Storage Temp.: N/A
    9. Solubility: N/A
    10. CAS DataBase Reference: 5-methyl-8-(propan-2-yl)-3a,4,7,7a-tetrahydro-4,7-ethano-2-benzofuran-1,3-dione(CAS DataBase Reference)
    11. NIST Chemistry Reference: 5-methyl-8-(propan-2-yl)-3a,4,7,7a-tetrahydro-4,7-ethano-2-benzofuran-1,3-dione(18465-95-7)
    12. EPA Substance Registry System: 5-methyl-8-(propan-2-yl)-3a,4,7,7a-tetrahydro-4,7-ethano-2-benzofuran-1,3-dione(18465-95-7)

  • 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: 18465-95-7(Hazardous Substances Data)

18465-95-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 18465-95-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,4,6 and 5 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 18465-95:
(7*1)+(6*8)+(5*4)+(4*6)+(3*5)+(2*9)+(1*5)=137
137 % 10 = 7
So 18465-95-7 is a valid CAS Registry Number.

18465-95-7Relevant articles and documents

Ene Reactions of Conjugated Dienes. 2. Dependence of Rate on Degree of Hydrogen Removed and s-Cis or s-Trans Diene Character

Jacobson, Barry M.,Arvanitis, Georgia M.,Eliasen, Carol A.,Mitelman, Rimma

, p. 194 - 201 (2007/10/02)

The rates of the ene reactions between diethyl diazenedicarboxylate and a number of dienes have been measured and product structures determined.Accelerated reactions are observed with 1,3-cyclohexadienes but not with dienes held fixed in the s-trans form.Within the first set of systems tertiary hydrogens are much more reactive than secondary.Within the second set secondary are (in turn) more reactive than primary.There is no apparent correlation between the rate of the Diels-Alder reaction of the 1,3-cyclohexadienes with maleic anhydride and the rate of ene reaction with the diazenedicarboxylate.

Halo Lactones in the Bicyclooctane Series

Alberts, Vincent,Brecknell, Douglas J.,Carman, Raymond M.,Smith, Stephanie S.

, p. 1719 - 1727 (2007/10/02)

Stable lactones formed from bicyclooct-5-ene-2-carboxylic acid and their derivatives by halolactonization are shown to be γ-lactones.

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