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20831-76-9

Basic Information
CAS No.: 20831-76-9
Name: Gentiopicroside
Molecular Structure:
Molecular Structure of 20831-76-9 (Gentiopicroside)
Formula: C16H20O9
Molecular Weight: 356.32
Synonyms: 1H,3H-Pyrano[3,4-c]pyran-1-one,5-ethenyl-6-(b-D-glucopyranosyloxy)-5,6-dihydro-,(5R-trans)-;Gentiopicrin (6CI);Gentiopicroside (7CI,8CI);NSC 606402;1H,3H-Pyrano[3,4-c]pyran-1-one,5-ethenyl-6-(b-D-glucopyranosyloxy)-5,6-dihydro-,(5R,6S)-;(5beta-trans)-6-(beta-D-Glucopyranosyloxy)-5,6-dihydro-5-vinyl-1H,3H-pyrano[3,4-c]pyran-1-one;
EINECS: 244-070-2
Density: 1.529 g/cm3
Melting Point: 191 °C
Boiling Point: 667.784 °C at 760 mmHg
Flash Point: 247.129 °C
Solubility:
Appearance: Yellowish-white hygroscopic powder
Hazard Symbols: Xn
Risk Codes: R22
Safety:
Transport Information:
PSA: 134.91000
LogP: -1.67150
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    Shaanxi Cuicheng Biomedical Technology Co., Ltd. is located in Chuangzhi Industrial Park, Economic and Technological Development Zone, Hanzhong City, Shaanxi Province, China. It is a company specializing in natural medicines and high-throughput scr

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    Tel:18791163155

    Address:economic development Zone

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  • Gentiopicroside

  • Casno:

    20831-76-9

    Gentiopicroside

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

    Appearance:Solid powder Storage:Sealed,light and oxygen resistant Package:Foil bag or drum Application:Applied in dietary supplements,pharmaceutical or cosmeticeuticals Transportation:by sea or air Port:Beijing or Guangzhou Port

    Kono Chem Co.,Ltd is a leading producer of standardized herbal extracts, natural active ingredients and APIs for pharmaceutical, health food and cosmetic industries. Annually, mo

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    Tel:86-29-86107037-8015

    Address:No.11 Daqing Road,Lianhu District,Xi’an 710082,China

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  • Gentiopicroside

  • Casno:

    20831-76-9

    Gentiopicroside

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

    high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,or Intermediates,fine chemicals Transportation:air,sea,courier

    GIHI CHEMICALS CO.,LIMITED, its former company is a small manufacturer who is specialized in the production of ester products which are used in the daily chemicals ,cosmetic produc

  •  GIHI CHEMICALS CO.,LIMITED

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    Business Type:Lab/Research institutions

    Tel:571-86217390

    Address:Huacai International Building,Sandun,Westlake District,Hangzhou 310030,Zhejiang,China

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  • Gentiopicroside

  • Casno:

    20831-76-9

    Gentiopicroside

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

    Hangzhou Dingyan Chem is a leading manufacturer and supplier of chemicals in China.We develop,produce and distribute high quality pharmaceuticals, intermediates, special chemicals and other fine chemicals. We could give you: 1.Best quality in your re

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    Business Type:Lab/Research institutions

    Tel:86-571-86465881,86-571-87157530,86-571-88025800

    Address:RM.1118,NO.1 Building, Baiyun Tower,Jianggan Area, Hangzhou city, China,310004

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  • Gentiopicroside

  • Casno:

    20831-76-9

    Gentiopicroside

    Min.Order: 0

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    high quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea

    Located in Zhengdong New District,?Zhengzhou of Henan province, Henan Allgreen Chemical Co.,Ltd is a comprehensive high-tech modern enterprises integrating professional R&D, pro

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    Tel:+86-0371-87507775

    Address:No 260 Dongming Road,Jinshui District

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  • (5R-trans)-6-(β-D-glucopyranosyloxy)-5,6-dihydro-5-vinyl-1H,3H-pyrano[3,4-c]pyran-1-one

  • Casno:

    20831-76-9

    (5R-trans)-6-(β-D-glucopyranosyloxy)-5,6-dihydro-5-vinyl-1H,3H-pyrano[3,4-c]pyran-1-one

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

    TAIHO Unique Advantages:1.We're factory2.Free samples available3.Commodity inspection can be done4.ISO9001,Kosher certifications5.10 years experiences Storage:Store in cool &dry place Package:aluminium foil bag/fiber can/plastic drum Application:comp

    As a member of TAIHO Group,Hubei Taiho Chemical Co.,Ltd,is a professional new-type chemicals enterprise combined into research and development,production and sales.We adhere to the

  •  Hubei Taiho Chemical Co.,LTD

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    Business Type:Manufacturers

    Tel:+86-18120399543

    Address:No. 49 taifeng Road,Qianjiang City,Hubei,China

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  • Gentiopicrin

  • Casno:

    20831-76-9

    Gentiopicrin

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

    ADVANTAGE:1. More than 3,000 Chinese medicine reference substances / standard products available from stock, issued on the same day, multiple cities can be delivered the next day2. The products are provided with COA, HPLC, NMR, quality assurance, pac

    Chengdu Lemeitian Pharmaceutical Technology Co., Ltd. is a science and technology service enterprise specializing in the basic research of traditional Chinese medicine (botanical m

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    Business Type:Manufacturers

    Tel:028-85003950

    Address:No. 128, West Section of Haike Road,, Wenjiang District

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Specification

The Gentiopicroside, with the CAS registry number 20831-76-9, is also known as (5beta-trans)-6-(beta-D-Glucopyranosyloxy)-5,6-dihydro-5-vinyl-1H,3H-pyrano[3,4-c]pyran-1-one. It belongs to the product category of Iridoids. Its EINECS number is 244-070-2. This chemical's molecular formula is C16H20O9 and molecular weight is 356.32. What's more, its systematic name is (5R,6S)-1-Oxo-5-vinyl-5,6-dihydro-1H,3H-pyrano[3,4-c]pyran-6-yl β-D-glucopyranoside. It is a secoiridoid in Gentiana with rearrangement to two pyran rings. 

Physical properties of Gentiopicroside are: (1)ACD/LogP: -3.028; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -3.03; (4)ACD/LogD (pH 7.4): -3.03; (5)ACD/BCF (pH 5.5): 1.00; (6)ACD/BCF (pH 7.4): 1.00; (7)ACD/KOC (pH 5.5): 1.00; (8)ACD/KOC (pH 7.4): 1.00; (9)#H bond acceptors: 9; (10)#H bond donors: 4; (11)#Freely Rotating Bonds: 8; (12)Polar Surface Area: 134.91 Å2; (13)Index of Refraction: 1.623; (14)Molar Refractivity: 82.204 cm3; (15)Molar Volume: 233.019 cm3; (16)Polarizability: 32.588×10-24cm3; (17)Surface Tension: 72.38 dyne/cm; (18)Density: 1.529 g/cm3; (19)Flash Point: 247.129 °C; (20)Enthalpy of Vaporization: 112.341 kJ/mol; (21)Boiling Point: 667.784 °C at 760 mmHg; (22)Vapour Pressure: 0 mmHg at 25°C.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C1OC\C=C3/C1=C\O[C@@H](O[C@@H]2O[C@@H]([C@@H](O)[C@H](O)[C@H]2O)CO)[C@@H]3\C=C
(2)Std. InChI: InChI=1S/C16H20O9/c1-2-7-8-3-4-22-14(21)9(8)6-23-15(7)25-16-13(20)12(19)11(18)10(5-17)24-16/h2-3,6-7,10-13,15-20H,1,4-5H2/t7-,10-,11-,12+,13-,15+,16+/m1/s1
(3)Std. InChIKey: DUAGQYUORDTXOR-GPQRQXLASA-N