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  • L Rhamnose Monohydrate By Sichuan Benepure Pharmaceutical Co Ltd - China

    price: contact company for price

    Product Name: L- rhamnose monohydrate

    Synonym: α- L- Rhamnopyranose, 6- Dexoxy- D- mannose, 6- Deoxy- L- mannose, Isodulcite, L- Mannomethylose, D- Rhamnose, L- Rhamnose

    Specification: 98%

    CAS: 3615- 41- 6/ 10030- 85- 0

    Chemical Name: 4H- 1- Benzopyran- 4- one, 2- ( 3, 4- dihydroxyphenyl) - 3, 5, 7- trihydroxy- Flavone

    Constitutional Formula:

    Molecular Formula: C6H12O5

    Molecular Weight: 164.16

    Botanical Source: L- rhamnose is a kind of micro glucoside widespread in plants, which occurs in various plants glucoside ( quercitrin, isohesperidin etc. ) and polysaccharide, especially in pectin and colloid, also in rhus toxin, by means of combing with the form of sugar.

    Physical Property:

    - Appearance: White- crystal or white- crystal- powder

    - Solubility: soluble in water and methanol, slightly soluble in ethanol, shows in two types: α & β. Type α contains a molecular water of crystallization, it will transform into type β ( M. W. : 164.16) after dehydration by heating. Type β with hygroscopic character, it will transform into type α after moisture absorption in the air. Usually presents as α- L- rhamnose ( M. W. : 182.11) . Generally, α- L- rhamnose is a monohydrated crystal, a tabular crystal.

    - Melting Point: 82- 92℃

    - Optical Rotation: -7.7°→+8.9°, soluble in water and ethano.

    - β- L- rhamnose ( dehydrated) is needle- crystal with hygroscopicity; M. P. : 122- 126℃; Optical Rotation: +38.4°→+8.9°, soluble in water and ethanol. Characters: sweet taste, occurring as pyran in water solution.

    Chemical property:

    - Reducibility: it is oxidized to generate rhamnoic acid with bromine water, after that oxidized to generate L- α- three hydroxyl Ge acid with nitric acid, restore to rhamnite with NaHg.

    - Indications: for the measurement of enteric permeability, used as sweeteners.


    Company Contact:


    • Phone: 18980510772

    • Address: 99# Jirui 3rd Rd.,High-Tech District, Chengdu, China

    • Email: Email


    Published date: January 19, 2016 -

    • Business Description: Sichuan Benepure Pharmaceutical Co.,Ltd., is one of the professional

      manufacturer and exporter certified by cGMP, ISO series, Kosher and

      Halal, dedicated to the identifications, development and productions of

      botanical extracts and derivatives and APIs in China. With 11 year's

      high speed developing, strong R&D capabilities, advanced quality control

      and production technology, BENEPURE continue to make innovations with

      the specialty ingredients that serve the Nutraceutical, Pharmaceutical

      and Cosmetic industries.

      Natural Botanical Extract and derivatives: Grape Seed Ext., Grape Skin Ext.,Hesperidin, Hidrosmin,Diosmin, Hesperidin Methylchalcone, Methyl Hesperidin, Citrus Bioflavonoids, ect.

      API: Donepezil HCL,Tianeptine Sodium,Glycyl-L-Glutamine,Glycyl-L-Tyrosine,Clopidogrel sulfate,Ozagrel,Mildronate,Articaine hydrochloride,Prilocaine Base,Prilocaine HCL,Tetracaine Base,Tetracaine HCL,Lidocaine hydrochloride,Mepivacaine Base,ect.

      Intermediates.

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