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
4-Chloro-1,8-naphthalic anhydride
品牌:毕得
BD955334053-08-194%
登录 25g 常备现货
24050-49-5
5-Bromobenzo[de]isochromene-1,3-dione
5-Bromobenzo[de]isochromene-1,3-dione
品牌:毕得
BD1432124050-49-595%
登录 5g 常备现货
3027-38-1
5-Nitrobenzo[de]isochromene-1,3-dione
5-Nitrobenzo[de]isochromene-1,3-dione
品牌:毕得
BD143263027-38-198%
登录 25g 常备现货
23204-36-6
5-Hydroxybenzo[de]isochromene-1,3-dione
5-Hydroxybenzo[de]isochromene-1,3-dione
品牌:毕得
BD1434123204-36-695%
登录 5g 常备现货
1122-12-9
3,4-Dibromofuran-2,5-dione
3,4-Dibromofuran-2,5-dione
品牌:毕得
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
3-(4-Methyl-2,5-dioxo-2,5-dihydrofuran-3-yl)propanoic acid
品牌:毕得
BD632675487-66-195%
登录 5g 常备现货
245124-18-9
3-(Hydroxymethyl)-4-methylfuran-2,5-dione
3-(Hydroxymethyl)-4-methylfuran-2,5-dione
品牌:毕得
BD530572245124-18-997%
登录 250mg 常备现货
766-39-2
3,4-Dimethylfuran-2,5-dione
3,4-Dimethylfuran-2,5-dione
品牌:毕得
BD65882766-39-298%
登录 25g 常备现货
98453-81-7
3-(Bromomethyl)-4-methylfuran-2,5-dione
3-(Bromomethyl)-4-methylfuran-2,5-dione
品牌:毕得
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
Ethyl (S)-2-[(S)-4-Methyl-2,5-dioxo-3-oxazolidinyl]-4-phenylbutanoate
品牌:毕得
BD878684793-24-897%
登录 25g 常备现货
77423-13-3
2,4-Dioxo-2,4-dihydro-1H-benzo[d][1,3]oxazine-6-carboxylic acid
2,4-Dioxo-2,4-dihydro-1H-benzo[d][1,3]oxazine-6-carboxylic acid
品牌:毕得
BD4201277423-13-395%
登录 1g 常备现货
632-80-4
4,5,6,7-Tetraiodoisobenzofuran-1,3-dione
4,5,6,7-Tetraiodoisobenzofuran-1,3-dione
品牌:毕得
BD153523632-80-495%
登录 1g 常备现货
28418-89-5
5-Iodoisobenzofuran-1,3-dione
5-Iodoisobenzofuran-1,3-dione
品牌:毕得
BD66869528418-89-598%
登录 1g 常备现货
63480-11-5
7-Methyl-1H-benzo[d][1,3]oxazine-2,4-dione
7-Methyl-1H-benzo[d][1,3]oxazine-2,4-dione
品牌:毕得
BD3444463480-11-597%
登录 5g 常备现货
700-27-6
3-(Trifluoromethyl)furan-2,5-dione
3-(Trifluoromethyl)furan-2,5-dione
品牌:毕得
BD155315700-27-695%
登录 25g 常备现货
27550-59-0
5-Hydroxyisobenzofuran-1,3-dione
5-Hydroxyisobenzofuran-1,3-dione
品牌:毕得
BD9799627550-59-095%
登录 250mg 常备现货
1719-88-6
3,4,5-Trimethoxybenzoic anhydride
3,4,5-Trimethoxybenzoic anhydride
品牌:毕得
BD815761719-88-695%
登录 5g 常备现货
4196-95-6
Oxecane-2,10-dione
Oxecane-2,10-dione
品牌:毕得
BD6291544196-95-697%
登录 1g 常备现货
3190-70-3
(S)-4-Isobutyloxazolidine-2,5-dione
(S)-4-Isobutyloxazolidine-2,5-dione
品牌:毕得
BD481113190-70-395%
登录 1g 常备现货
108-55-4
Dihydro-2H-pyran-2,6(3H)-dione
Dihydro-2H-pyran-2,6(3H)-dione
品牌:毕得
BD125015108-55-496%
登录 100g 常备现货
6296-53-3
N-(1,3-Dioxo-1,3-dihydroisobenzofuran-4-yl)acetamide
N-(1,3-Dioxo-1,3-dihydroisobenzofuran-4-yl)acetamide
品牌:毕得
BD2905696296-53-397%
登录 1g 常备现货
2420-13-5
(S)-tert-Butyl (2,6-dioxotetrahydro-2H-pyran-3-yl)carbamate
(S)-tert-Butyl (2,6-dioxotetrahydro-2H-pyran-3-yl)carbamate
品牌:毕得
BD328282420-13-597%
登录 5g 常备现货
4166-53-4
4-Methyldihydro-2H-pyran-2,6(3H)-dione
4-Methyldihydro-2H-pyran-2,6(3H)-dione
品牌:毕得
BD882354166-53-496%
登录 100g 常备现货
67765-42-8
5-Methoxy-1H-benzo[d][1,3]oxazine-2,4-dione
5-Methoxy-1H-benzo[d][1,3]oxazine-2,4-dione
品牌:毕得
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
rel-(3aR,4R,7S,7aS)-Hexahydro-4,7-epoxyisobenzofuran-1,3-dione
品牌:毕得
BD642029745-04-898%
登录 5g 常备现货
79814-40-7
(R)-2,5-Dioxotetrahydrofuran-3-yl acetate
(R)-2,5-Dioxotetrahydrofuran-3-yl acetate
品牌:毕得
BD4705079814-40-797%
登录 1g 常备现货
36122-35-7
3-Phenylfuran-2,5-dione
3-Phenylfuran-2,5-dione
品牌:毕得
BD1255736122-35-797%
登录 1g 常备现货
14963-96-3
4-Methoxyisobenzofuran-1,3-dione
4-Methoxyisobenzofuran-1,3-dione
品牌:毕得
BD32856814963-96-397%
登录 1g 常备现货
4808-48-4
3,4-Diphenylfuran-2,5-dione
3,4-Diphenylfuran-2,5-dione
品牌:毕得
BD659474808-48-498%
登录 1g 常备现货
75532-25-1
Thieno[3,4-c]furan-1,3(4H,6H)-dione
Thieno[3,4-c]furan-1,3(4H,6H)-dione
品牌:毕得
BD29144675532-25-195%
登录 1g 常备现货
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