『产品简介』
DifluorocarboxyfluoresceinNHSEster,5-isomer(alsoknownasOregonGreen488CarboxylicAcid,SuccinimidylEster,5-isomer)isanamine-reactivefluorinatedanalogoffluoresceinthatovercomessomeofthekeylimitationsoffluorescein,includinggreaterphotostabilityandalowerpKa(pKa~4.7versus6.4forfluorescein),makingitsfluorescenceessentiallypHinsensitiveinthephysiologicalpHrange.AlthoughthemixedisomersofDifluorocarboxyfluoresceinNHSEster,isapreferred,routinelyusedfluorescentdyeforlabelingproteins,peptidesandnucleotides,purificationofpeptideandnucleotideslabeledwith5(6)isomersmightbetroublesomeduetosignificantsignalbroadeninginHPLCpurification.PeptidesandnucleotideslabeledwithasingleisomerusuallygivebetterresolutioninHPLCpurificationthatisoftenrequiredintheconjugationprocesses.DifluorocarboxyfluoresceinNHSEster,5-isomerdyestructurallyisidenticaltoInvitrogensOregonGreen488CarboxylicAcid,SuccinimidylEster,5-isomer488.Reagentgrade,forresearchuseonly.
『基本信息』
英文名：OregonGreen488SuccinimidylEster
OG488SE
OG488-NHS
CAS：198139-51-4
分子式：C25H13F2NO9
分子量：509.37
λabs：496nm
λem：516nm
198139-51-4
供应商：德尔塔生物
纯度：95%
闪点：423.4±35.7°C
密度：1.8±0.1g/cm3
蒸汽压：0.0±2.8mmHgat25°C
储藏条件：-4℃下储存（1-2周），在-20℃下储存时间更长（1-2年）
『其他产品列表』
195136-52-8OG488,acid
198139-51-4OG488,SE
195136-74-45-FG488AcidDiacetate
195136-58-42',7'-Difluorofluorescein
OG488BAPTA-1AM
72088-94-95(6)-羧基荧光素（混合物）;5(6)-FAM
117548-22-85(6)-羧基荧光素琥珀酰亚胺酯（混合物）;5(6)-FAM,SE
92557-80-75-羧基荧光素琥珀酰亚胺酯（单一化合物）;5-FAM,SE
5(6)-羧基荧光素尸胺;5(6)-FAMcadaverine
5-羧基荧光素尸胺;5-FAMcadaverine
5-异硫氰酸荧光素尸胺;5-FITCcadaverine
5(6)-TAMRA尸胺;5(6)-TAMRAcadaverine
5-TAMRA尸胺;5-TAMRAcadaverine
6-TAMRA尸胺;6-TAMRAcadaverine
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