酸酐是某含氧酸脱去一分子水或几分子水,所剩下的部分。一般无机酸是一分子的该酸,直接失去一分子的水就形成该酸的酸酐,其酸酐中决定酸性的元素的化合价不变。而有机酸是两分子该酸或多分子该酸通过分子间的脱水反应而形成的。只有含氧酸才有酸酐。无氧酸是没有酸酐的。

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77423-13-3 2,4-Dioxo-2,4-dihydro-1H-benzo[d][1,3]oxazine-6-carboxylic acid 2,4-二氧代-2,4-二氢-1H-苯并[1,3]恶嗪-6-羧酸
BJS270193377423-13-395%
¥1518.001g
63480-11-5 7-Methyl-1H-benzo[d][1,3]oxazine-2,4-dione 7-甲基-1H-苯并[d][1,3]恶嗪-2,4-二酮
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¥1478.005g
76561-16-5 7-Bromo-1H-benzo[d][1,3]oxazine-2,4-dione 7-溴-2H-苯并[d][1,3]恶嗪-2,4(1H)-二酮
BJS906337876561-16-597%
¥1019.0010g
63480-10-4 7-Nitro-1H-benzo[d][1,3]oxazine-2,4-dione 7-硝基-1H-苯并[d][1,3]恶嗪-2,4-二酮
BJS421081263480-10-495%
¥212.005g
40707-01-5 5-Chloro-1-methyl-1H-benzo[d][1,3]oxazine-2,4-dione 5-氯-1-甲基-1H-苯并[d][1,3]恶嗪-2,4-二酮
BJS128980140707-01-597%
¥4360.0010g
20829-97-4 5-Nitro-1H-benzo[d][1,3]oxazine-2,4-dione 5-硝基-1H-苯并[d][1,3]恶嗪-2,4-二酮
BJS133076320829-97-495%
¥874.001g
20829-96-3 5-Chloro-1H-benzo[d][1,3]oxazine-2,4-dione 5-氯-1H-苯并[d][1,3]噁嗪-2,4-二酮
BJS524742320829-96-398%
¥149.00250mg
97928-01-3 7-(Trifluoromethyl)-1H-benzo[d][1,3]oxazine-2,4-dione 7-(三氟甲基)-1H-苯并[d][1,3]恶嗪-2,4-二酮
BJS513865597928-01-395%
¥5042.005g
78755-94-9 5-Fluoro-1H-benzo[d][1,3]oxazine-2,4-dione 5-氟-1H-苯并[d][1,3]恶嗪-2,4-二酮
BJS587885378755-94-996%
¥208.00250mg
63497-60-9 8-Chloro-1H-benzo[d][1,3]oxazine-2,4-dione 8-氯-1H-苯并[d][1,3]噁嗪-2,4-二酮
BJS754208263497-60-995+%
¥458.001g
195986-91-5 6-Hydroxy-1H-benzo[d][1,3]oxazine-2,4-dione 6-羟基-1H-苯并[d][1,3]恶嗪-2,4-二酮
BJS1540673195986-91-597%
¥632.005g
321-50-6 7-Fluoro-1H-benzo[d][1,3]oxazine-2,4-dione 7-氟-2H-3,1-苯并噁嗪-2,4-二酮
BJS5423381321-50-697%
¥155.001g
40928-13-0 7-Chloro-1H-benzo[d][1,3]oxazine-2,4-dione 7-氯-1H-苯并[d][1,3]噁嗪-2,4-二酮
BJS823717540928-13-097%
¥168.005g
4743-17-3 6-Chloro-1H-benzo[d][1,3]oxazine-2,4-dione 6-氯-1H-苯并[d][1,3]噁嗪-2,4-二酮
BJS05268784743-17-397%
¥397.0025g
331646-98-1 8-Bromo-1H-benzo[d][1,3]oxazine-2,4-dione 8-溴-1H-苯并[d] [1,3]恶嗪-2,4-二酮
BJS9301084331646-98-197%
¥422.001g
108-30-5 Dihydrofuran-2,5-dione 丁二酸酐
BJS7551297108-30-597%
¥57.00500g
174463-53-7 8-Fluoro-1H-benzo[d][1,3]oxazine-2,4-dione 8-氟-1H-苯并[d][1,3]恶嗪-2,4-二酮
BJS2426975174463-53-797%
¥949.001g
321-69-7 6-Fluoro-2H-benzo[d][1,3]oxazine-2,4(1H)-dione 6-氟-2H-苯并[d][1,3]恶嗪-2,4(1H)-二酮
BJS5718237321-69-797%
¥225.005g
4692-99-3 6-Methyl-1H-benzo[d][1,3]oxazine-2,4-dione 6-甲基-2H-苯并[d][1,3]恶嗪-2,4(1H)-二酮
BJS07737594692-99-396%
¥160.001g
37795-77-0 6-Methoxy-1H-benzo[d][1,3]oxazine-2,4-dione 6-甲氧基-1H-苯并[d][1,3]恶嗪-2,4-二酮
BJS303980137795-77-097%
¥317.001g
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