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)
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%
¥47.0025g常备现货
24050-49-5 5-Bromobenzo[de]isochromene-1,3-dione
BD1432124050-49-595%
¥2133.005g常备现货
3027-38-1 5-Nitrobenzo[de]isochromene-1,3-dione
BD143263027-38-198%
¥619.0025g常备现货
6642-29-1 6-Nitrobenzo[de]isochromene-1,3-dione
BD143276642-29-195%
¥808.0010g常备现货
23204-36-6 5-Hydroxybenzo[de]isochromene-1,3-dione
BD1434123204-36-695%
¥1029.005g常备现货
6492-86-0 6-Aminobenzo[de]isochromene-1,3-dione
BD143696492-86-095%
¥1468.005g常备现货
81-86-7 6-Bromobenzo[de]isochromene-1,3-dione
BD9465981-86-796%
¥56.00100g常备现货
1122-17-4 2,3-Dichloromaleic anhydride
BD1243511122-17-497%
¥1137.00100g常备现货
487-66-1 3-(4-Methyl-2,5-dioxo-2,5-dihydrofuran-3-yl)propanoic acid
BD632675487-66-195%
¥2137.005g常备现货
245124-18-9 3-(Hydroxymethyl)-4-methylfuran-2,5-dione
BD530572245124-18-997%
¥790.00250mg常备现货
766-39-2 3,4-Dimethylfuran-2,5-dione
BD65882766-39-298%
¥21.005g常备现货
5926-51-2 3-Bromofuran-2,5-dione
BD1188265926-51-297%
¥25.00250mg常备现货
84793-24-8 Ethyl (S)-2-[(S)-4-Methyl-2,5-dioxo-3-oxazolidinyl]-4-phenylbutanoate
BD878684793-24-897%
¥150.0025g常备现货
1010-26-0 1,1-Cyclohexanediacetic Anhydride
BD122421010-26-099%
¥69.0025g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%
¥21.001g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%
¥723.001g常备现货
632-80-4 4,5,6,7-Tetraiodoisobenzofuran-1,3-dione
BD153523632-80-495%
¥974.001g常备现货
28418-89-5 5-Iodoisobenzofuran-1,3-dione
BD66869528418-89-598%
¥1508.001g常备现货
63480-11-5 7-Methyl-1H-benzo[d][1,3]oxazine-2,4-dione
BD3444463480-11-597%
¥704.005g常备现货
434935-69-0 2-Methyl-6-nitrobenzoic anhydride
BD226851434935-69-097%
¥306.005g常备现货
4744-50-7 2,3-Pyrazinecarboxylic anhydride
BD30924744-50-798%
¥301.00100g常备现货
4124-31-6 Trichloroaceticanhydride
BD1550894124-31-698%
¥269.0025g常备现货
700-27-6 3-(Trifluoromethyl)furan-2,5-dione
BD155315700-27-695%
¥3680.0025g常备现货
27550-59-0 5-Hydroxyisobenzofuran-1,3-dione
BD9799627550-59-095%
¥31.00250mg常备现货
1719-88-6 3,4,5-Trimethoxybenzoic anhydride
BD815761719-88-695%
¥486.005g常备现货
1538-75-6 Pivalic anhydride
BD1554611538-75-698%
¥101.00100g常备现货
23911-26-4 Diethylenetriaminepentaacetic dianhydride
BD1555423911-26-498%
¥197.005g常备现货
4196-95-6 Oxecane-2,10-dione
BD6291544196-95-697%
¥4082.001g常备现货
3190-70-3 (S)-4-Isobutyloxazolidine-2,5-dione
BD481113190-70-395%
¥33.001g常备现货
108-55-4 Dihydro-2H-pyran-2,6(3H)-dione
BD125015108-55-496%
¥37.00100g常备现货
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