吡喃是六元杂环,非芳香环,由五个碳原子和一个氧原子组成,并含有两个双键。分子式为C5H6O,吡喃有两个异构体,其位置与双键的位置不同。在2H吡喃中,饱和碳处于位置2,而在4H-吡喃中,饱和碳位于位置4。

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53518-14-2 7-(Dimethylamino)-4-(trifluoromethyl)-2H-chromen-2-one 7-(二甲氨基)-4-(三氟甲基)-2H-苯并吡喃-2-酮
BJS162657453518-14-298%
¥1607.005g
105772-14-3 Methyl 3,6-dihydro-2H-pyran-4-carboxylate 3,6-二氢-2H-吡喃-4-甲酸甲酯
BJS3686544105772-14-396%
¥5946.005g
35436-57-8 6-Hydroxy-2H-pyran-3(6H)-one 6-羟基-2H-吡喃-3(6H)-酮
BJS187001735436-57-897%
¥4728.005g
3174-74-1 3,6-Dihydro-2H-pyran 3,6-二氢吡喃
BJS71853923174-74-196%
¥1567.0025g
20671-66-3 4-Methyl-2-oxo-2H-chromen-7-yl octanoate 4-甲基伞形酮辛酸酯
BJS991160020671-66-398%
¥297.00250mg
35924-44-8 6-Methoxy-2-oxo-2H-chromene-3-carboxylic acid 6-甲氧基-2-氧代-2H-苯并吡喃-3-羧酸
BJS084785835924-44-895+%
¥979.00250mg
1846-76-0 Ethyl 2-oxo-2H-chromene-3-carboxylate 2-氧代-2H-苯并吡喃-3-羧酸乙酯
BJS52013001846-76-098%
¥210.001g
13417-49-7 5,6-Dihydro-2H-pyran-3-carbaldehyde 5,6-二氢-2-H吡喃-3-甲醛
BJS334092713417-49-795%
¥305.00250mg
31518-13-5 3,4-Dihydro-2H-pyran-6-carbonitrile 5,6-二氢-4H-吡喃-2-甲腈
BJS639518431518-13-597%
¥4923.005g
1219-33-6 5-(Benzyloxy)-4-oxo-4H-pyran-2-carboxylic acid 5-苄氧基-4-氧代-4H-吡喃-2-羧酸
BJS89525521219-33-696%
¥5780.005g
5852-10-8 2-(7-Hydroxy-4-methyl-2-oxo-2H-chromen-3-yl)acetic acid 7-羟基-4-甲基香豆素-3-乙酸
BJS67444235852-10-898%
¥509.00100mg
6093-71-6 Ethyl 7-hydroxy-2-oxo-2H-chromene-3-carboxylate 7-羟基-2-氧代-2H-苯并吡喃-3-羧酸乙酯
BJS44947446093-71-697%
¥389.00250mg
99-32-1 4-Oxo-4H-pyran-2,6-dicarboxylic acid 4-氧代-4H-吡喃-2,6-二羧酸
BJS549343599-32-195%
¥1504.0025g
5128-44-9 7,4'-Di-O-methylapigenin 5-羟基-4,7-二甲氧基黄酮
BJS10726225128-44-995%
¥983.005mg
1246616-66-9 Dimethyl 3-(benzyloxy)-4-oxo-4H-pyran-2,5-dicarboxylate 4-氧代-3-苄氧基-4H-吡喃-2,5-二甲酸二甲酯
BJS94003861246616-66-997%
¥187.001g
480-11-5 5,7-Dihydroxy-6-methoxy-2-phenyl-4H-chromen-4-one 5,7-二羟基-6-甲氧基-2-苯基-4H-苯并吡喃-4-酮
BJS1675871480-11-598%
¥429.00100mg
20300-58-7 7-Chloro-2-oxo-2H-chromene-3-carboxylic acid 7-氯-2-氧代-2H-苯并吡喃-3-羧酸
BJS678524920300-58-797%
¥591.00100mg
24526-69-0 4-Methyl-2-oxo-2H-chromene-3-carbonitrile 4-甲基-2-氧代-2H-色烯-3-甲腈
BJS917276224526-69-097%
¥1086.005g
38976-17-9 rel-(R)-2,5,7,8-Tetramethyl-2-((4R,8R)-4,8,12-trimethyltridecyl)chroman-6-yl dihydrogen phosphate rel-(R)-2,5,7,8-四甲基-2-((4R,8R)-4,8,12-三甲基十三烷基)苯并二氢吡喃-6-基 磷酸二氢酯
BJS667478138976-17-998+%
¥1055.0010mg
117-39-5 2-(3,4-Dihydroxyphenyl)-3,5,7-trihydroxy-4H-chromen-4-one 2 -(3,4-二羟基苯基)-3,5,7-三羟基-4H-苯并吡喃-4-酮
BJS2804964117-39-597%
¥114.0010g
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