L-Rhamnose CAS NO.6155-35-7

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【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】