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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14963-96-3 4-Methoxyisobenzofuran-1,3-dione
BD32856814963-96-397%
登录 1g 常备现货
81-30-1 1,4,5,8-Naphthalenetetracarboxylic dianhydride
BD1566881-30-195%
登录 5g 常备现货
4808-48-4 3,4-Diphenylfuran-2,5-dione
BD659474808-48-498%
登录 1g 常备现货
75532-25-1 Thieno[3,4-c]furan-1,3(4H,6H)-dione
BD29144675532-25-195%
登录 1g 常备现货
641-70-3 3-Nitrophthalic anhydride
BD5591641-70-396%
登录 100g 常备现货
5466-84-2 5-Nitroisobenzofuran-1,3-dione
BD55925466-84-298%
登录 25g 常备现货
98278-78-5 3-Bromofuro[3,4-b]pyridine-5,7-dione
BD22916298278-78-597%
登录 1g 常备现货
1131-15-3 3-Phenyldihydrofuran-2,5-dione
BD127621131-15-399%
登录 5g 常备现货
929519-94-8 1,3-Dioxo-1,3-dihydrobenzo[de]isochromene-5-carbonitrile
BD435311929519-94-895%
登录 1g 常备现货
76561-16-5 7-Bromo-1H-benzo[d][1,3]oxazine-2,4-dione
BD15879176561-16-597%
登录 10g 常备现货
28281-76-7 5-Methoxyisobenzofuran-1,3-dione
BD3303228281-76-797%
登录 1g 常备现货
37498-95-6 (R)-4-Benzyloxazolidine-2,5-dione
BD1288837498-95-697%
登录 250mg 常备现货
51248-35-2 Isobutyloxazolidine-2,5-dione
BD27310651248-35-297%
登录 1g 常备现货
583-47-1 4-Benzyloxazolidine-2,5-dione
BD273107583-47-195%
登录 10g 常备现货
19438-61-0 4-Methylphthalic anhydride
BD9910119438-61-098%
登录 25g 常备现货
25834-16-6 4,7-Dibromoisobenzofuran-1,3-dione
BD33157425834-16-698%
登录 250mg 常备现货
64198-16-9 3a,3b,6a,6b-Tetramethyltetrahydrocyclobuta[1,2-c:3,4-c']difuran-1,3,4,6-tetraone
BD33168064198-16-998+%
登录 1g 常备现货
43089-05-0 (R)-4-Isopropyloxazolidine-2,5-dione
BD33179043089-05-095%
登录 1g 常备现货
156028-26-1 5,6,12,13-Tetrachloroanthra[2,1,9-def:6,5,10-d'e'f']diisochromene-1,3,8,10-tetraone
BD18595156028-26-195%
登录 1g 常备现货
14166-28-0 (3aR,4S,7R,7aS)-rel-Hexahydro-4,7-methanoisobenzofuran-1,3-dione
BD16146614166-28-095%
登录 10g 常备现货
118129-60-5 5,12-Dibromoanthra[2,1,9-def:6,5,10-d'e'f']diisochromene-1,3,8,10-tetraone
BD232790118129-60-595%
登录 250mg 常备现货
20197-92-6 6,7-Dimethoxy-1H-benzo[d][1,3]oxazine-2,4-dione
BD047520197-92-697%
登录 250mg 常备现货
77603-45-3 5-Bromo-1H-benzo[d][1,3]oxazine-2,4-dione
BD23295477603-45-395%
登录 5g 常备现货
94695-50-8 Ethyl 3-oxo-3-(2,3,4,5-tetrafluorophenyl)propanoate
BD069894695-50-897%
登录 100g 常备现货
336-59-4 2,2,3,3,4,4,4-Heptafluorobutanoic anhydride
BD133039336-59-498%
登录 5g 常备现货
626-27-7 Heptanoic anhydride
BD133060626-27-795%
登录 100g 常备现货
71501-16-1 4-Sulfo-1,8-naphthalic Anhydride Potassium Salt
BD10023871501-16-195%
登录 25g 常备现货
73003-90-4 6-(2,5-Dioxotetrahydrofuran-3-yl)-4-methyl-7,7a-dihydroisobenzofuran-1,3(3aH,6H)-dione
BD10060873003-90-495%
登录 5g 常备现货
63480-10-4 7-Nitro-1H-benzo[d][1,3]oxazine-2,4-dione
BD567263480-10-495%
登录 1g 常备现货
13222-85-0 4-Methylbenzoic anhydride
BD9898113222-85-095%
登录 1g 常备现货
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