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CAS No 32619-42-4 , Oleuropein

  • Name: Oleuropein
  • Synonyms: Oleuropein;Methyl (4S,5E,6S)-4-[2-[2-(3,4-dihydroxyphenyl)ethoxy]-2-oxoethyl]-5-ethylidene-6-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4H-pyran-3-carboxylate; Olive Leaf Extract;
  • CAS Registry Number:
  • Melting Point: 89-90°C
  • Density: 1.5 g/cm3
  • Refractive index: 1.629
  • Safety Statements: 24/25
  • EINECS: 251-129-6
  • Molecular Weight: 540.51
  • InChI: InChI=1/C25H32O13/c1-3-13-14(9-19(29)35-7-6-12-4-5-16(27)17(28)8-12)15(23(33)34-2)11-36-24(13)38-25-22(32)21(31)20(30)18(10-26)37-25/h3-5,8,11,14,18,20-22,24-28,30-32H,6-7,9-10H2,1-2H3/b13-3+/t14-,18+,20+,21-,22+,24-,25-/m0/s1
  • Molecular Formula: C25H32O13
  • Molecular Structure:CAS No:32619-42-4 Oleuropein
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32619-42-4 Olive Leaf Extract

  • Latin Name Olea europaea L. Family Oleaceae Part of the Plant Used Leaf Active Ingredients Oleuropein, Hydroxytyrosol Product Specification: 20%, 40%, 60%, 80% Oleuropein 5%, 10%, 20%, 40% Hydroxytyrosol Sunfull Key Product List: 1. Rhodiola Rosea Ex...
  • Min. Order: 5000
  • FOB Price: USDfalse - false /
  • China Hunan Sunfull Bio-tech Co., Ltd. [Manufacturer, Distributor/Wholesaler]
  • Tel: 86-731-82970067
  • Fax: --
  • Address: Depu Enterprise Park, Economy & Technology Development Zone Changsha,HunanChina
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32619-42-4 Olive Leaf Extract

  • Olive Leaf Extract Type: Herbal Extract Latin Name Olive Leaf Origin: China Part: Leaf Form: Powder Color: Light Yellow to Brown Active Ingredient: oleuropein CAS: 32619-42-4 MF: C25H32O13 MW: 540.51 EINECS: 251-129-6 Assay: 50% Package: 25kg/drum Fu...
  • Min. Order: 500
  • China Wuhan Yuancheng Group [Manufacturer, Trading Company]
  • Tel: 86-027-50756153
  • Address: Zhongshan Road Wuhan,HubeiChina
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32619-42-4 Oleuropein

  • Oleuropein, 99%
  • United States INDOFINE Chemical Co., Inc. [Manufacturer]
  • Tel: (908) 359-6778
  • Fax: (908) 359-1179
  • Address: 121 Stryker Lane
    Bldg 30, Suite 1
    Hillsborough, NJ 08844 ,United States
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32619-42-4 Oleuropein

  • Oleuropein, 99,00%
  • China Zeniview Chemistry Technology Co., Ltd. [Manufacturer]
  • Tel: +86-25-86088590
  • Fax: +86-25-85612276
  • Address: No.05,No.01 Hangzhongmen Dajie, Nanjing, China 210016 Nanjing CHINA 210016 NanjingCHINA Nanjing,China
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32619-42-4 Oleuropein

  • Oleuropein
  • China Shanghai Synnad Chemical Co., Ltd. [Importer/Exporter]
  • Tel: 86 21 5109 7911
  • Fax: 86 21 5109 7955
  • Address: B-5 Ecust Science Park, No. 18, Lane 1305, Hua Jing Road, Shanghai 200231 China Shanghai,ShanghaiChina
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32619-42-4 OLEUROPEIN(RG)

  • OLEUROPEIN(RG)Oleuropein
  • United States ChromaDex Inc. [Manufacturer]
  • Tel: 949-419-0288
  • Fax: 949-419-0294
  • Address: ChromaDex Inc.
    10005 Muirlands Blvd. Suite G - First Floor
    Irvine, CA 92618 ,United States
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32619-42-4 Oleuropein

  • Oleuropein, Min 99%
  • China Finechemie Co., Ltd. [Manufacturer]
  • Tel: +86-23-99186710
  • Fax: +86-23-99186729
  • Address: 28th Floor Mordern Building,New-Tech Zone400020 ChongqingCHINA Chongqing,China
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32619-42-4 Oleuropein

  • China Kouting Chemical Co.,Ltd [Importer/Exporter]
  • Tel: +86-(21)-58116473
  • Fax: +86-(21)-61094103
  • Address: Hunan Road, Pudong New District, Shanghai, Shanghai 201318, shanghai,shanghaiChina
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32619-42-4 Oleuropein

  • Oleuropein
  • China Beijing HuameiHuli Biochem Ltd [Manufacturers]
  • Tel: 010-86181995
  • Fax: 010-86860610
  • Address: Beijing TongZhou District Beijing,BeijingChina
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32619-42-4 2-(3,4-dihydroxyphenyl)ethyl [2S-(2α,3E,4β)]-3-ethylidene-2-(β-D-glucopyranosyloxy)-3,4-dihydro-5-(methoxycarbonyl)-2H-pyran-4-acetate

  • China BioBioPha Co., Ltd. [Manufacturer]
  • Tel: +86-871-5217109
  • Fax: +86-871-5217109
  • Address: 132 Lanhei Road, Kunming Institute of Botany, Chinese Academy of Sciences ,China
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References of Oleuropein
Title: Oleuropein
CAS Registry Number: 32619-42-4
CAS Name: [2S-(2a,3E,4b)]-3-Ethylidene-2-(b-D-glucopyranosyloxy)-3,4-dihydro-5-(methoxycarbonyl)-2H-pyran-4-acetic acid 2-(3,4-dihydroxyphenyl)ethyl ester
Molecular Formula: C25H32O13
Molecular Weight: 540.51
Percent Composition: C 55.55%, H 5.97%, O 38.48%
Literature References: Bitter glucoside; first secoiridoid to be isolated. Isolation from olives and the leaves and bark of the olive tree, Olea europaea L., Oleaceae and structural studies: Panizzi et al., Gazz. Chim. Ital. 90, 1449 (1960); Beyerman et al., Bull. Soc. Chim. Fr. 1961, 1821; Shasha, Leibowitz, J. Org. Chem. 26, 1948 (1961). Isoln from the ripe fruits of Ligustrum lucidum and L. japonicum Thunb, Oleaceae: Inouye, Nishioka, Tetrahedron 28, 4231 (1972). Revised structure and stereochemistry: Inouye et al., Tetrahedron Lett. 1970, 2459. Pharmacology: Petkov, Manolov, Arzneim.-Forsch. 22, 1476 (1972). Partial synthesis: A. Bianco et al., J. Nat. Prod. 55, 760 (1992).
Properties: Minute crystals from ethyl acetate, mp 87-89°. Hygroscopic. [a]D20 -147° (H2O, alcohol, or acetone). Shows mutarotation [a]D20 -127° after 9 hrs (H2O). Freely sol in acetone, ethanol, methanol, pyridine, glacial acetic acid, 5% aq NaOH soln. Moderately sol in water, dioxane, butanol, ethyl acetate, butyl acetate. Practically insol in ether, petr ether, chloroform, benzene, carbon tetrachloride.
Melting point: mp 87-89°
Optical Rotation: [a]D20 -147° (H2O, alcohol, or acetone); [a]D20 -127°