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L Rhamnose

Xi'an Rainbow Bio-Tech Co.,Ltd is one of the leading China l rhamnose manufacturers,Website:, welcome to wholesale cheap l rhamnose, l rhamnose extracts powder from our factory.L-Rhamnose【NAME】:L-Rhamnose【SYNONYMS】:alpha-L-Rhamnose, 6-deoxy-L-mannose, isodulcit【SPEC.】:98%【TEST METHOD】: HPLC 【PLANT SOURCE】:Isoln from walls of gram-negative bateria. From leaves of Solanum chacoense Bitter【CAS NO.】:6155-35-7【MOLECULAR FORMULA & MOLECULAR Mass】:C6H12O5  164.16【STRUCTURAL FORMULA】:                        【CHARACTERISTIC】:α-Form. Mp 82-92°C. β-Form. mp 122-126°C(rapid heating). Freely sol in water, methol and ethanol. colourless crystal【PHARMACOLOGY】:Rhamnose is a naturally-occurring deoxy sugar. It can be classified either as a methyl-pentose or a 6-deoxy-hexose. Rhamnose occurs in nature in its L-form as L-rhamnose (6-deoxy-L-mannose). This is unusual since most of the naturally-occurring sugars are in D-form. Exceptions are the methyl pentoses L-fucose and L-rhamnose and the pentose L-arabinose.L-Rhamnose can be isolated from Buckthorn (Rhamnus) and poison sumac. It is also found as a glycoside in a variety of other plants. Rhamnose is a component of the outer cell membrane of acid-fast bacteria in the Mycobacterium genus, which includes the organsism that causes tuberculosis【CHEMICAL ANALYSIS】    ITEMSRESULTSAssay(HPLC)≥98%Loss on Drying≤10.0%Sulphated ashes≤0.1%Heavy metals≤10ppmMelting Range90-94℃(Monohydrate)Specific Rotation+8.8°-9.15°Related SubstancesConform prescribedAppearance of Solution(10% w/v Apueous Solution)Clear and colouless 【PACKAGE】:Packed in paper-drums and two plastic-bags inside.N.W.:25kgs .【STORAGE】:Keep in cool, dry and dark place, avoid high temperature.【SHELF LIFE】:24 months                       


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