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20924-56-5

Basic Information
CAS No.: 20924-56-5
Name: ISOCHROMAN-4-ONE
Article Data: 2
Molecular Structure:
Molecular Structure of 20924-56-5 (ISOCHROMAN-4-ONE)
Formula: C9H8O2
Molecular Weight: 148.161
Synonyms: 4-Isochromanone(7CI,8CI);1H-Isochromen-4(3H)-one;
Density: 1.197g/cm3
Melting Point: 48 °C
Boiling Point: 279.501 °C at 760 mmHg
Flash Point: 134.664 °C
PSA: 26.30000
LogP: 1.39950
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    With about ten years experiences in the field of pharmaceutical chemicals, Yierdechem has established solid business cooperation relationships with many large companys worldwide.As a leading supplier of API and pharmaceutical intermediates, holds its

    yierdechem is a young and potential team, with about ten years experiences in the field of pharmaceutical intermediate and fine chemicals, yierdechem has established solid business

  • Hangzhou Yierdechem Co. Ltd

    China (Mainland)  |  Contact Details

    Business Type:Other

    Tel:+86-571-86904883

    Address:903,zhijiang Minglou, Xiasha EDA, Hangzhou City 310018,P.R.China

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  • ISOCHROMAN-4-ONE

  • Casno:

    20924-56-5

    ISOCHROMAN-4-ONE

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0

    1. Production capacity: we have three production base with high-tech production equipment and instruments, equipped with professional production personnel, meet your requirements.2. Quality assurance: we have a first-class testing equipment and testi

    Chemical Technology Co.,LTD is a professional enterprise which engaged in pharmaceutical intermediates, material intermediates production research and development.Company foc

  • Chemical Technology Co.,LTD

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    Business Type:Other

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  • 3,4-dihydro-1H-2-benzopyran-4-one

  • Casno:

    20924-56-5

    3,4-dihydro-1H-2-benzopyran-4-one

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    Price, High Purity, Supplement Application:medical intermediate

    ZaiQi Bio-Tech is a professional enterprise engaged in researching,synthesizing and manufacturing pharmaceutical intermediates and fine chemicals.We are specializing in producing s

  • Shanghai ZaiQi Bio-Tech Co., Ltd.,

    China (Mainland)  |  Contact Details

    Business Type:Manufacturers

    Tel:+86-21-6722 0633

    Address:Bldg. No.7, No.201 MinYi Rd,Songjiang CaoHeJing High-Tech Park Shanghai 201516 P,R,China

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  • Isochroman-4-one

  • Casno:

    20924-56-5

    Isochroman-4-one

    Min.Order: 0 Metric Ton

    FOB Price:  USD $ 0.0-0.0

    1H-2-Benzopyran-4(3H)-oneAppearance:White crystalline powder Storage:Normal temperature sealing Package:25kg/fiber can Application:pharmaceutical raw material,chemical intermediates Transportation:customer required Port:shanghai

    A strong supplier speciallized in R&D, manufacture and export of pharmaceutical raw materials& intermediate. Currently the market already covered India, Pakistan, Vietnam,Russia a

  • Shanghai agrotree chemical co.,ltd.

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    Business Type:Trading Company

    Tel:+86-21-50117563

    Address:Room 8A,liangfeng building,No.8 dongfang RD.pudong,shanghai,China

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Specification

The 1H-2-Benzopyran-4(3H)-one, with CAS registry number 20924-56-5, has the systematic name of 1H-isochromen-4(3H)-one. Besides this, it is also called Isochroman-4-one. And the chemical formula of this chemical is C9H8O2. Its molecular weight is 148.1586.

Physical properties of 1H-2-Benzopyran-4(3H)-one: (1)ACD/LogP: -0.23; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 1; (4)ACD/LogD (pH 7.4): 1; (5)ACD/BCF (pH 5.5): 5; (6)ACD/BCF (pH 7.4): 5; (7)ACD/KOC (pH 5.5): 112; (8)ACD/KOC (pH 7.4): 112; (9)#H bond acceptors: 2; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 0; (12)Polar Surface Area: 26.3 Å2; (13)Index of Refraction: 1.562; (14)Molar Refractivity: 40.163 cm3; (15)Molar Volume: 123.804 cm3; (16)Polarizability: 15.922×10-24cm3; (17)Surface Tension: 43.546 dyne/cm; (18)Density: 1.197 g/cm3; (19)Flash Point: 134.664 °C; (20)Enthalpy of Vaporization: 51.819 kJ/mol; (21)Boiling Point: 279.501 °C at 760 mmHg; (22)Vapour Pressure: 0.004 mmHg at 25°C.

Uses of 1H-2-Benzopyran-4(3H)-one: it can be used to produce 3,3-dideuterio-4-isochromanone. This reaction will need reagent NaOD and solvent tetrahydrofuran. The reaction time is 20 min. The yield is about 74%.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C1COCc2ccccc12
(2)InChI: InChI=1/C9H8O2/c10-9-6-11-5-7-3-1-2-4-8(7)9/h1-4H,5-6H2
(3)InChIKey: OYXTZAZUFUWSIR-UHFFFAOYAL
(4)Std. InChI: InChI=1S/C9H8O2/c10-9-6-11-5-7-3-1-2-4-8(7)9/h1-4H,5-6H2
(5)Std. InChIKey: OYXTZAZUFUWSIR-UHFFFAOYSA-N