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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81742-10-1 4,7-Dichloro-1,3-dioxo-1,3-dihydroisobenzofuran-5-carboxylic acid
BD45009581742-10-197%
登录 100mg 常备现货
1732-96-3 Ethane-1,2-diyl bis(1,3-dioxo-1,3-dihydroisobenzofuran-5-carboxylate)
BD2339951732-96-395%
登录 25g 常备现货
21038-63-1 1H-Pyrido[2,3-d][1,3]oxazine-2,4-dione
BD23410221038-63-195%
登录 1g 常备现货
4693-02-1 6-Nitro-1H-benzo[d][1,3]oxazine-2,4-dione
BD56734693-02-198%
登录 25g 常备现货
4945-20-4 Furo[3,4-c]quinoline-1,3-dione
BD6265554945-20-497%
登录 1g 常备现货
25569-77-1 4-Fluorobenzoic anhydride
BD23445225569-77-195%
登录 5g 常备现货
78756-28-2 1H-Thieno[3,2-d][1,3]oxazine-2,4-dione
BD5466378756-28-295%
登录 1g 常备现货
124346-74-3 5,6,7-Trimethoxy-1H-benzo[d][1,3]oxazine-2,4-dione
BD333903124346-74-395%
登录 100mg 常备现货
40707-01-5 5-Chloro-1-methyl-1H-benzo[d][1,3]oxazine-2,4-dione
BD10324140707-01-597%
登录 1g 常备现货
20829-97-4 5-Nitro-1H-benzo[d][1,3]oxazine-2,4-dione
BD23508320829-97-495%
登录 1g 常备现货
75443-62-8 (R)-Benzyl (2,5-dioxotetrahydrofuran-3-yl)carbamate
BD23510375443-62-895%
登录 1g 常备现货
20829-96-3 5-Chloro-1H-benzo[d][1,3]oxazine-2,4-dione
BD10349420829-96-398%
登录 5g 常备现货
645-66-9 Dodecanoic anhydride
BD135956645-66-998%
登录 5g 常备现货
6007-85-8 Thieno[3,4-c]furan-1,3-dione
BD2970506007-85-895%
登录 5g 常备现货
35878-28-5 cis-Tetrahydro-1H-cyclopenta[c]furan-1,3(3aH)-dione
BD16468935878-28-597%
登录 1g 常备现货
4821-94-7 5,6-Dimethoxyisobenzofuran-1,3-dione
BD3344374821-94-798%
登录 1g 常备现货
129288-31-9 tert-Butyl (S)-2-(2,5-dioxooxazolidin-4-yl)acetate
BD567789129288-31-997%
登录 5g 常备现货
4466-59-5 4,7-Dichloroisobenzofuran-1,3-dione
BD55444466-59-598%
登录 1g 常备现货
65416-14-0 2-Methyl-4-oxo-4H-pyran-3-yl isobutyrate
BD13712665416-14-095%
登录 25g 常备现货
1676-86-4 (S)-Benzyl (4-(2,5-dioxooxazolidin-4-yl)butyl)carbamate
BD2576261676-86-495%
登录 10g 常备现货
942-06-3 4,5-Dichlorophthalic Anhydride
BD5545942-06-395%
登录 5g 常备现货
760-93-0 Methacrylic anhydride
BD137614760-93-095% (stabilized with 0.2% topanol)
登录 500g 常备现货
53911-68-5 4-(4-Chlorophenyl)dihydro-2H-pyran-2,6(3H)-dione
BD2785153911-68-596%
登录 1g 常备现货
6054-16-6 3-Oxabicyclo[3.2.1]octane-2,4-dione
BD2368766054-16-698%
登录 1g 常备现货
32703-79-0 5-(tert-Butyl)isobenzofuran-1,3-dione
BD1389432703-79-095%
登录 5g 常备现货
3951-10-8 2-(4-Methoxyphenyl)acetic anhydride
BD1070173951-10-895%
登录 5g 常备现货
6708-37-8 3a,4,7,7a-Tetrahydro-4,7-ethanoisobenzofuran-1,3-dione
BD2151846708-37-897%
登录 5g 常备现货
97928-01-3 7-(Trifluoromethyl)-1H-benzo[d][1,3]oxazine-2,4-dione
BD23787497928-01-395%
登录 1g 常备现货
18959-30-3 4,5-Difluorophthalic Anhydride
BD1077618959-30-398%
登录 5g 常备现货
17347-61-4 2,2-Dimethylsuccinicanhydride
BD4137317347-61-498%
登录 5g 常备现货
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