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。

按化学元素
Bx
Cx
Nx
Ox
Fx
Six
Px
Sx
Clx
Brx
Ix
按关键基团: 二酐 (4) 二酐 (3)
按纯度: 99+% 99% 98+% 98% 97+% 97% 96+% 96% 95+% 95% 93% 90+% 90%
按分子量: 0-100 100-200 200-300 300-400 400-500 500-600 600-700
按化学元素: CINO CKNOS CBrNO CClFO COS CBO CClNOS CBrO COSi CBrOS CNO CBrFO CFNO CNOS CBrNOS CO CKOS CClNO CBrFNO CFO CClO CIO 更多
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4053-08-1 4-Chloro-1,8-naphthalic anhydride
BD955334053-08-194%
登录 25g 常备现货
24050-49-5 5-Bromobenzo[de]isochromene-1,3-dione
BD1432124050-49-595%
登录 5g 常备现货
3027-38-1 5-Nitrobenzo[de]isochromene-1,3-dione
BD143263027-38-198%
登录 25g 常备现货
23204-36-6 5-Hydroxybenzo[de]isochromene-1,3-dione
BD1434123204-36-695%
登录 5g 常备现货
1122-12-9 3,4-Dibromofuran-2,5-dione
BD1242281122-12-997%
登录 5g 常备现货
487-66-1 3-(4-Methyl-2,5-dioxo-2,5-dihydrofuran-3-yl)propanoic acid
BD632675487-66-195%
登录 5g 常备现货
245124-18-9 3-(Hydroxymethyl)-4-methylfuran-2,5-dione
BD530572245124-18-997%
登录 250mg 常备现货
766-39-2 3,4-Dimethylfuran-2,5-dione
BD65882766-39-298%
登录 25g 常备现货
98453-81-7 3-(Bromomethyl)-4-methylfuran-2,5-dione
BD62879598453-81-790% (stabilized with Magnesium oxide)
登录 1g 常备现货
84793-24-8 Ethyl (S)-2-[(S)-4-Methyl-2,5-dioxo-3-oxazolidinyl]-4-phenylbutanoate
BD878684793-24-897%
登录 25g 常备现货
4415-87-6 Cyclobuta[1,2-c:3,4-c']difuran-1,3,4,6(3aH,3bH,6aH,6bH)-tetraone
BD1225824415-87-695%
登录 100g 常备现货
77423-13-3 2,4-Dioxo-2,4-dihydro-1H-benzo[d][1,3]oxazine-6-carboxylic acid
BD4201277423-13-395%
登录 1g 常备现货
632-80-4 4,5,6,7-Tetraiodoisobenzofuran-1,3-dione
BD153523632-80-495%
登录 1g 常备现货
28418-89-5 5-Iodoisobenzofuran-1,3-dione
BD66869528418-89-598%
登录 1g 常备现货
63480-11-5 7-Methyl-1H-benzo[d][1,3]oxazine-2,4-dione
BD3444463480-11-597%
登录 5g 常备现货
434935-69-0 2-Methyl-6-nitrobenzoic anhydride
BD226851434935-69-097%
登录 5g 常备现货
700-27-6 3-(Trifluoromethyl)furan-2,5-dione
BD155315700-27-695%
登录 25g 常备现货
27550-59-0 5-Hydroxyisobenzofuran-1,3-dione
BD9799627550-59-095%
登录 250mg 常备现货
1719-88-6 3,4,5-Trimethoxybenzoic anhydride
BD815761719-88-695%
登录 5g 常备现货
4196-95-6 Oxecane-2,10-dione
BD6291544196-95-697%
登录 1g 常备现货
3190-70-3 (S)-4-Isobutyloxazolidine-2,5-dione
BD481113190-70-395%
登录 1g 常备现货
108-55-4 Dihydro-2H-pyran-2,6(3H)-dione
BD125015108-55-496%
登录 100g 常备现货
6296-53-3 N-(1,3-Dioxo-1,3-dihydroisobenzofuran-4-yl)acetamide
BD2905696296-53-397%
登录 1g 常备现货
2420-13-5 (S)-tert-Butyl (2,6-dioxotetrahydro-2H-pyran-3-yl)carbamate
BD328282420-13-597%
登录 5g 常备现货
4166-53-4 4-Methyldihydro-2H-pyran-2,6(3H)-dione
BD882354166-53-496%
登录 100g 常备现货
67765-42-8 5-Methoxy-1H-benzo[d][1,3]oxazine-2,4-dione
BD44688367765-42-898%
登录 250mg 常备现货
29745-04-8 rel-(3aR,4R,7S,7aS)-Hexahydro-4,7-epoxyisobenzofuran-1,3-dione
BD642029745-04-898%
登录 5g 常备现货
79814-40-7 (R)-2,5-Dioxotetrahydrofuran-3-yl acetate
BD4705079814-40-797%
登录 1g 常备现货
36122-35-7 3-Phenylfuran-2,5-dione
BD1255736122-35-797%
登录 1g 常备现货
2082-59-9 Pentanoic anhydride
BD1562822082-59-998%
登录 500g 常备现货
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