微囊藻***LR，MicrocystinLR，MC-LR，藻***，LRProductSpecificationAlternativeName:Microcystin-LR(de***ethylated)Identity:IdentitydeterminedbyMS.Formula:***8H72N10O12MW:980.5Purity:≥95%(HPLC)Appearance:Whitetooff-whitepowderoroilyfilmadheredtoinsideofthevial.Source/Host:IsolatedfromMicrocystisaeruginosa.Solubility:SolubleinmethanolorDMSO.LongTermStorage:-20°CHandling:Formaximumproductrecoveryafterthawing,centrifugethevialbeforeopeningthecap.Background/TechnicalInformation:Microcystinsareagroupofcyclicheptapeptidehepatotoxinsproducedbyanumberofcyanobacterialgenera.Themostnotableofwhich,andnamesake,isthewidespreadgenusMicrocystis.Structurally,allmicrocystinsc***istofthegeneralizedstructurecyclo(-D-Ala1-X2-D-MeAsp3-Y4-Adda5-D-Glu6-Mdha7-).XandYarevariableL-aminoacids,D-MeAspisD-erythro-ß-methylasparticacidandMdhaisN-methyldehydroalanine.AddaisthecyanobacteriauniqueC20ß-aminoacid3-amino-9-methoxy-2,6,8-trimethyl-10-phenyl-deca-4,6-dienoicacid.Substituti***ofthevariableL-aminoacidsatpositi***2and4giverisetoatleast21knownprimarymicrocystinanalogsandalterati***intheotherc***tituentaminoacidsresultinmorethan90reportedmycrocystinstodate.)