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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BD303016144692-85-395%
登录 1g 常备现货
83204-68-6 4,9-Dibromoisochromeno[6,5,4-def]isochromene-1,3,6,8-tetraone
BD24204683204-68-695%
登录 1g 常备现货
1112208-70-4 6-Bromo-1H-pyrido[2,3-d][1,3]oxazine-2,4-dione
BD5697221112208-70-497%
登录 1g 常备现货
3343-28-0 2-(2,6-Dioxotetrahydro-2H-pyran-3-yl)isoindoline-1,3-dione
BD1455963343-28-098%
登录 5g 常备现货
4693-01-0 1-Methyl-6-nitro-1H-benzo[d][1,3]oxazine-2,4-dione
BD4165184693-01-095%
登录 1g 常备现货
59025-03-5 (S)-2-Acetoxysuccinic Anhydride
BD356559025-03-598%
登录 5g 常备现货
331646-98-1 8-Bromo-1H-benzo[d][1,3]oxazine-2,4-dione
BD28392331646-98-197%
登录 5g 常备现货
77423-14-4 2,4-Dioxo-2,4-dihydro-1H-benzo[d][1,3]oxazine-7-carboxylic acid
BD1147777423-14-498%
登录 250mg 常备现货
58311-53-8 (S)-3,4-Dimethyloxazolidine-2,5-dione
BD30348958311-53-898%
登录 1g 常备现货
790-41-0 4-Chlorobenzoic anhydride
BD146825790-41-097%
登录 25g 常备现货
6053-68-5 Dihydro-1H-cyclopenta[1,2-c:3,4-c']difuran-1,3,4,6(3aH,3bH,6aH)-tetraone
BD525856053-68-598%
登录 5g 常备现货
54502-37-3 2-Ethylbutanoic anhydride
BD3404054502-37-397%
登录 1g 常备现货
17697-12-0 Benzeneseleninic acid anhydride
BD11556117697-12-098%
登录 5g 常备现货
34954-65-9 8-Methoxy-1H-benzo[d][1,3]oxazine-2,4-dione
BD2846234954-65-998%
登录 5g 常备现货
33993-24-7 Cyclopropanecarboxylic anhydride
BD22119333993-24-790%
登录 1g 常备现货
14316-61-1 2-Phenoxyacetic anhydride
BD14750614316-61-198%
登录 5g 常备现货
2754-41-8 1,2,4,5-Cyclohexanetetracarboxylic Dianhydride
BD1741452754-41-895%
登录 10g 常备现货
25830-77-7 (S)-2-(2,6-Dioxotetrahydro-2H-pyran-3-yl)isoindoline-1,3-dione
BD14793825830-77-795%
登录 25g 常备现货
1719-83-1 Bicyclo[2.2.2]oct-7-ene-2,3,5,6-tetracarboxylic dianhydride
BD1166691719-83-198%
登录 25g 常备现货
13590-42-6 (S)-Benzyl 2-(2,5-dioxooxazolidin-4-yl)acetate
BD51799013590-42-697%
登录 25g 常备现货
13094-51-4 2-Bromoacetic anhydride
BD11876013094-51-495%
登录 100mg 常备现货
5926-51-2 3-Bromofuran-2,5-dione
BD1188265926-51-297%
登录 250mg 常备现货
5463-50-3 4,7-Dimethylisobenzofuran-1,3-dione
BD542785463-50-397%
登录 250mg 常备现货
22651-87-2 Cyclohexanecarboxylic Anhydride
BD30623122651-87-298%
登录 5g 常备现货
4741-53-1 4,5,6,7-Tetraphenylisobenzofuran-1,3-dione
BD20034741-53-198%
登录 250mg 常备现货
24848-78-0 4,8-Dibromobenzo[1,2-c:4,5-c']difuran-1,3,5,7-tetraone
BD28712724848-78-098%
登录 1g 常备现货
67911-21-1 6,6-Dimethyl-3-oxabicyclo[3.1.0]hexane-2,4-dione
BD12012067911-21-195%
登录 100g 常备现货
5840-76-6 3-Methyloxazolidine-2,5-dione
BD405215840-76-697%
登录 1g 常备现货
158257-41-1 (S)-Benzyl 4-isopropyl-2,5-dioxooxazolidine-3-carboxylate
BD246763158257-41-195%
登录 5g 常备现货
638-08-4 Stearic anhydride
BD151908638-08-497%
登录 5g 常备现货
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