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
清空选项
849677-21-0
5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)isobenzofuran-1,3-dione
5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)isobenzofuran-1,3-dione
品牌:毕得
BD562001849677-21-097%
登录 1g 常备现货
78755-94-9
5-Fluoro-1H-benzo[d][1,3]oxazine-2,4-dione
5-Fluoro-1H-benzo[d][1,3]oxazine-2,4-dione
品牌:毕得
BD1085078755-94-996%
登录 1g 常备现货
5443-16-3
17-Oxapentacyclo[6.6.5.0(2,7).0(9,14).0(15,19)]-nonadeca-2,4,6,9,11,13-hexaene-16,18-dione
17-Oxapentacyclo[6.6.5.0(2,7).0(9,14).0(15,19)]-nonadeca-2,4,6,9,11,13-hexaene-16,18-dione
品牌:毕得
BD3189775443-16-395%
登录 250mg 常备现货
1466-82-6
2-Acetoxybenzoic anhydride
2-Acetoxybenzoic anhydride
品牌:毕得
BD168261466-82-695%
登录 1g 常备现货
63497-60-9
8-Chloro-1H-benzo[d][1,3]oxazine-2,4-dione
8-Chloro-1H-benzo[d][1,3]oxazine-2,4-dione
品牌:毕得
BD16844063497-60-995+%
登录 5g 常备现货
195986-91-5
6-Hydroxy-1H-benzo[d][1,3]oxazine-2,4-dione
6-Hydroxy-1H-benzo[d][1,3]oxazine-2,4-dione
品牌:毕得
BD10916195986-91-597%
登录 1g 常备现货
321-50-6
7-Fluoro-1H-benzo[d][1,3]oxazine-2,4-dione
7-Fluoro-1H-benzo[d][1,3]oxazine-2,4-dione
品牌:毕得
BD110583321-50-697%
登录 1g 常备现货
6642-29-1
6-Nitrobenzo[de]isochromene-1,3-dione
6-Nitrobenzo[de]isochromene-1,3-dione
品牌:毕得
BD143276642-29-195%
登录 10g 常备现货
716-39-2
Naphtho[2,3-c]furan-1,3-dione
Naphtho[2,3-c]furan-1,3-dione
品牌:毕得
BD14340716-39-295%
登录 25g 常备现货
6492-86-0
6-Aminobenzo[de]isochromene-1,3-dione
6-Aminobenzo[de]isochromene-1,3-dione
品牌:毕得
BD143696492-86-095%
登录 5g 常备现货
73819-76-8
5-Ethynylisobenzofuran-1,3-dione
5-Ethynylisobenzofuran-1,3-dione
品牌:毕得
BD9705473819-76-898%
登录 5g 常备现货
623-66-5
Octanoic anhydride
Octanoic anhydride
品牌:毕得
BD143824623-66-595%
登录 25g 常备现货
2561-85-5
3-Dodecyldihydrofuran-2,5-dione
3-Dodecyldihydrofuran-2,5-dione
品牌:毕得
BD1440662561-85-598%
登录 5g 常备现货
40928-13-0
7-Chloro-1H-benzo[d][1,3]oxazine-2,4-dione
7-Chloro-1H-benzo[d][1,3]oxazine-2,4-dione
品牌:毕得
BD562840928-13-097%
登录 10g 常备现货
4743-17-3
6-Chloro-1H-benzo[d][1,3]oxazine-2,4-dione
6-Chloro-1H-benzo[d][1,3]oxazine-2,4-dione
品牌:毕得
BD56294743-17-397%
登录 5g 常备现货
2035-75-8
2,7-oxepanedion
2,7-oxepanedion
品牌:毕得
BD1127712035-75-890%
登录 5g 常备现货
4462-96-8
3-Oxabicyclo[3.2.0]heptane-2,4-dione
3-Oxabicyclo[3.2.0]heptane-2,4-dione
品牌:毕得
BD35574462-96-895%
登录 5g 常备现货
116027-10-2
6-Iodo-1H-benzo[d][1,3]oxazine-2,4-dione
6-Iodo-1H-benzo[d][1,3]oxazine-2,4-dione
品牌:毕得
BD171180116027-10-295%
登录 1g 常备现货
185815-59-2
4-Isobutyldihydro-2H-pyran-2,6(3H)-dione
4-Isobutyldihydro-2H-pyran-2,6(3H)-dione
品牌:毕得
BD282750185815-59-295%
登录 25g 常备现货
1015423-45-6
4,6-Dibromothieno[3,4-c]furan-1,3-dione
4,6-Dibromothieno[3,4-c]furan-1,3-dione
品牌:毕得
BD2625831015423-45-695% (stabilized with Cu+HQ+MgO)
登录 1g 常备现货
299962-88-2
4,5,9,10-Tetrabromoisochromeno[6,5,4-def]isochromene-1,3,6,8-tetraone
4,5,9,10-Tetrabromoisochromeno[6,5,4-def]isochromene-1,3,6,8-tetraone
品牌:毕得
BD262644299962-88-295%
登录 1g 常备现货
17395-99-2
4-Aminoisobenzofuran-1,3-dione
4-Aminoisobenzofuran-1,3-dione
品牌:毕得
BD21918717395-99-295%
登录 1g 常备现货
23893-84-7
5,6-Dibromohexahydroisobenzofuran-1,3-dione
5,6-Dibromohexahydroisobenzofuran-1,3-dione
品牌:毕得
BD17162923893-84-797%
登录 1g 常备现货
31982-85-1
(3aS,7aS)-Hexahydroisobenzofuran-1,3-dione
(3aS,7aS)-Hexahydroisobenzofuran-1,3-dione
品牌:毕得
BD4295631982-85-198%
登录 1g 常备现货
103979-54-0
2H-Thieno[2,3-d][1,3]oxazine-2,4(1H)-dione
2H-Thieno[2,3-d][1,3]oxazine-2,4(1H)-dione
品牌:毕得
BD283544103979-54-098%
登录 1g 常备现货
144692-85-3
2,3-Dichlorofuro[3,4-b]pyrazine-5,7-dione
2,3-Dichlorofuro[3,4-b]pyrazine-5,7-dione
品牌:毕得
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
4,9-Dibromoisochromeno[6,5,4-def]isochromene-1,3,6,8-tetraone
品牌:毕得
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
6-Bromo-1H-pyrido[2,3-d][1,3]oxazine-2,4-dione
品牌:毕得
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
2-(2,6-Dioxotetrahydro-2H-pyran-3-yl)isoindoline-1,3-dione
品牌:毕得
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
1-Methyl-6-nitro-1H-benzo[d][1,3]oxazine-2,4-dione
品牌:毕得
BD4165184693-01-095%
登录 1g 常备现货
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