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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823-22-3 6-Methyltetrahydro-2H-pyran-2-one 6-甲基-2H-四氢吡喃-2-酮
BJS8998738823-22-398% GC
¥59.005g
705-86-2 6-Pentyltetrahydro-2H-pyran-2-one 6-戊基四氢-2H-吡喃-2-酮
BJS9332495705-86-297%
¥71.0025g
542-28-9 Tetrahydro-2H-pyran-2-one 四氢-2H-吡喃-2-酮
BJS7409308542-28-998% may contain polymer
¥151.00100g
500371-01-7 3-(Benzyloxy)-4-oxo-4H-pyran-2-carbaldehyde 3-(苄氧基)-4-氧代-4H-吡喃-2-甲醛
BJS3144484500371-01-797%
¥641.00250mg
10357-27-4 4-Nitrophenyl a-D-mannopyranoside 对硝基苯基-beta-D-吡喃甘露糖苷
BJS897533610357-27-498%
¥420.00250mg
119-84-6 Chroman-2-One 苯并二氢吡喃-2-酮
BJS0557582119-84-697%
¥82.00100g
674-26-0 4-Hydroxy-4-methyltetrahydro-2H-pyran-2-one 4-羟基-4-甲基四氢-2H-吡喃-2-酮
BJS9009348674-26-097%
¥330.00250mg
91-44-1 7-(Diethylamino)-4-methyl-2H-chromen-2-one 7-二乙氨基-4-甲基-2H-苯并吡喃-2-酮
BJS933863691-44-198%
¥65.0025g
220809-37-0 4-Hydroxy-6-isopropyl-2H-pyran-2-one 4-羟基-6-异丙基-2H-吡喃-2-酮
BJS6261600220809-37-098%
¥2381.00250mg
521-88-0 3-Methoxy-2-phenyl-4H-furo[2,3-h]chromen-4-one 3-甲氧基-2-苯基-4H-呋喃并[2,3-h]苯并吡喃-4-酮
BJS0912244521-88-098%
¥4983.00100mg
905442-42-4 (S)-2-Amino-4-(7-hydroxy-2-oxo-2H-chromen-4-yl)butanoic acid (S)-2-氨基-4-(7-羟基-2-氧代-2H-苯并吡喃-4-基)丁酸
BJS6258300905442-42-495%
¥5317.00250mg
87081-35-4 (2E,5S,6R,7S,9R,10E,12E,15R,16Z,18E)-17-Ethyl-6-hydroxy-3,5,7,9,11,15-hexamethyl-19-((2S,3S)-3-methyl-6-oxo-3,6-dihydro-2H-pyran-2-yl)-8-oxononadeca-2,10,12,16,18-pentaenoic acid (2E,5S,6R,7S,9R,10E,12E,15R,16Z,18E)-17-乙基-6-羟基-3,5,7,9,11,15-六甲基-19-((2S,3S)-3-甲基-6-氧代-3,6-二氢-2H-吡喃-2-基)-8-氧杂代十九烷-2,10,12,16,18-戊酸
BJS553070587081-35-498%
¥4450.0010mg
19103-54-9 5-Hydroxy-6,7-dimethoxy-2-(4-methoxyphenyl)-4H-chromen-4-one 5-羟基-6,7-二甲氧基-2-(4-甲氧基苯基)-4H-苯并吡喃-4-酮
BJS883553319103-54-998%
¥5552.0010mg
195385-93-4 7-(((2S,3R,4S,5R)-3,4-Dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)oxy)-4-methyl-2H-chromen-2-one 7-(((2S,3R,4S,5R)-3,4-二羟基-5-(羟甲基)四氢呋喃-2-基)氧基)-4-甲基-2H-苯并吡喃-2-酮
BJS6124339195385-93-498%
¥6842.00250mg
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%
¥1655.0025g
698-76-0 δ-Octanolactone 6-丙基四氢-2H-吡喃-2-酮
BJS9479057698-76-098%
¥214.0025g
61049-67-0 3-(Benzyloxy)-4H-pyran-4-one 3-(苄氧基)-4H-吡喃-4-酮
BJS574980161049-67-097%
¥20775.0025g
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%
¥124.0010g
142797-34-0 (2R,3R)-3,5,7-Trihydroxy-2-((2S,3S)-3-(4-hydroxy-3-methoxyphenyl)-2-(hydroxymethyl)-2,3-dihydrobenzo[b][1,4]dioxin-6-yl)chroman-4-one (2R,3R)-3,5,7-三羟基-2 - ((2S,3S)-3-(4-羟基-3-甲氧基苯基)-2-(羟甲基)-2,3-二氢苯并[b][1,4]二氧杂环己烯-6-基)苯并二氢吡喃-4-酮
BJS7429255142797-34-095%
¥9085.0050mg
14101-61-2 (R)-2,7,8-Trimethyl-2-((3E,7E)-4,8,12-trimethyltrideca-3,7,11-trien-1-yl)chroman-6-ol (R)-2,7,8-三甲基-2-((3E,7E)-4,8,12-三甲基十三烷-3,7,11-三烯-1-基)苯并二氢吡喃-6-醇
BJS557829114101-61-297%
¥3572.0025mg
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