Home > Name List By d > D-Ribose,2-C-[[(3,4,5-trihydroxybenzoyl)oxy]methyl]-, 5-(3,4,5-trihydroxybenzoate)

CAS No 469-32-9 , D-Ribose,2-C-[[(3,4,5-trihydroxybenzoyl)oxy]methyl]-, 5-(3,4,5-trihydroxybenzoate)

  • Name: D-Ribose,2-C-[[(3,4,5-trihydroxybenzoyl)oxy]methyl]-, 5-(3,4,5-trihydroxybenzoate)
  • Synonyms: D-Ribose,2-C-[[(3,4,5-trihydroxybenzoyl)oxy]methyl]-, 5-(3,4,5-trihydroxybenzoate); Ribose, 2-C-(hydroxymethyl)-, 21,5-digallate, D- (8CI); Gallic acid,21,5-diester with 2-C-(hydroxymethyl)-D-ribose (8CI);2',5-Di-O-galloyl-D-hamamelose;Hamamelitannin(6CI,7CI);
  • CAS Registry Number:
  • Melting Point: 145-147°C
  • Flash Point: 331°C
  • Boiling Point: 947.5°Cat760mmHg
  • Density: 1.93g/cm3
  • Refractive index: 1.745
  • Safety Statements:
    WGK Germany 3
    3-10-21
  • Flash Point: 331°C
  • EINECS: 207-416-3
  • Molecular Weight: 484.36
  • InChI: InChI=1/C20H20O14/c21-5-12-15(28)16(33-18(29)6-1-8(22)13(26)9(23)2-6)17(20(31)32-12)34-19(30)7-3-10(24)14(27)11(25)4-7/h1-4,12,15-17,20-28,31H,5H2/t12-,15-,16-,17-,20-/m1/s1
  • Molecular Formula: C20H20 O14
  • Molecular Structure:CAS No:469-32-9 D-Ribose,2-C-[[(3,4,5-trihydroxybenzoyl)oxy]methyl]-, 5-(3,4,5-trihydroxybenzoate)
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469-32-9 HAMAMELITANNIN

  • Hong kong Advanced Technology & Industrial Co., Ltd. [Manufacturer]
  • Tel: (852) 2390 2293/ (852) 2394 5546
  • Fax: (852) 2789 8314
  • Address: Unit B, 1/F., Cheong Shing Bldg.,
    17 Walnut St., Tai Kok Tsui, Kln,
    Hong Kong ,Hong kong
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469-32-9 Hamamelitannin

  • Hamamelitannin
  • 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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469-32-9 HAMAMELITANNIN(RG)

  • HAMAMELITANNIN(RG)Hamamelitannin
  • 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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469-32-9 HAMAMELITANNIN HPLC GRADE

  • Germany AppliChem GmbH [Manufacturer]
  • Tel: +49 6151 93 57 0
  • Fax: +49 6151 93 57 11
  • Address: AppliChem GmbH
    Ottoweg 4
    64291 Darmstadt
    Germany ,Germany
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469-32-9 HAMAMELITANNIN

  • Germany Cfm Oskar Tropitzsch [Manufacturer]
  • Tel: +49-9231-9619-0
  • Fax: +49-9231-9619-60
  • Address: Cfm Oskar Tropitzsch
    Waldershofer Str. 49-51
    95615 Marktredwitz
    Germany ,Germany
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469-32-9 Hamamelitannin

  • Hamamelitannin
  • Germany ABCR GmbH & Co KG [Manufacturer]
  • Tel: +49 721 95061-0
  • Fax: +49 721 95061-80
  • Address: Im Schlehert 10
    76187 Karlsruhe
    Germany ,Germany
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469-32-9 Hamamelitannin

  • Hamamelitannin
  • Germany CHEMOS GmbH [Manufacturer]
  • Tel: 0049 9402/9336 0
  • Fax: 0049 9402/9336 13
  • Address: CHEMOS GmbH
    Werner-von-Siemensstr. 3
    93128 Regenstauf
    Germany ,Germany
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469-32-9 HAMAMELITANNIN

  • China Nanjing Chemlin Chemical Industry Co.,Ltd. [Manufacturer]
  • Tel: +86 25 8369-7070/ +86 138 51816776 (Mobile)
  • Fax: +86 25 8345-3275
  • Address: Rm.902 Longyin Plaza,
    No. 217 Zhongshan Rd.
    (N)Nanjing 210009,China ,China
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References of D-Ribose,2-C-[[(3,4,5-trihydroxybenzoyl)oxy]methyl]-, 5-(3,4,5-trihydroxybenzoate)
Title: Hamamelitannin
CAS Registry Number: 469-32-9
CAS Name: 2-C-[[(3,4,5-Trihydroxybenzoyl)oxy]methyl]-D-ribofuranose 5-(3,4,5-trihydroxybenzoate)
Synonyms: 2-C-(hydroxymethyl)-D-ribofuranose 2¢,5-digallate
Molecular Formula: C20H20O14
Molecular Weight: 484.36
Percent Composition: C 49.59%, H 4.16%, O 46.24%
Literature References: From bark of Hamamelis virginiana L., Hamamelidaceae: Grüttner, Arch. Pharm. 236, 278 (1898); from bark of Castanea dentata (Marsh.) Borkh., Fagaceae: Mayer, Kunz, Naturwissenschaften 46, 206 (1959). Structure: Mayer et al., Ann. 688, 232 (1965). Synthesis: Ezekiel et al., Carbohydr. Res. 11, 233 (1969).
Properties: Prisms from water, mp 145-147°. [a]D19 +32.6° (c = 1.5).
Melting point: mp 145-147°
Optical Rotation: [a]D19 +32.6° (c = 1.5)
 
Derivative Type: Hexamethyl ether
Molecular Formula: C26H32O14
Molecular Weight: 568.52
Percent Composition: C 54.93%, H 5.67%, O 39.40%
Properties: Needles from dioxane + water, mp 73-76°. [a]25578 +10.0° (c = 2.0 in dioxane). Sol in acetone, dioxane, methanol. Practically insol in water.
Melting point: mp 73-76°
Optical Rotation: [a]25578 +10.0° (c = 2.0 in dioxane)