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

6296-53-3 N-(1,3-Dioxo-1,3-dihydroisobenzofuran-4-yl)acetamide N-(1,3-二氧代-1,3-二氢异苯并呋喃-4-基)乙酰胺
BJS91773246296-53-397%
¥204.005g
67765-42-8 5-Methoxy-1H-benzo[d][1,3]oxazine-2,4-dione 5-甲氧基-1H-苯并[d][1,3]恶嗪-2,4-二酮
BJS284386367765-42-898%
¥2589.005g
14963-96-3 4-Methoxyisobenzofuran-1,3-dione 4-甲氧基异苯并呋喃-1,3-二酮
BJS764421114963-96-397%
¥641.00250mg
28281-76-7 5-Methoxyisobenzofuran-1,3-dione 5-甲氧基异苯并呋喃-1,3-二酮
BJS712357028281-76-797%
¥65.00250mg
19438-61-0 4-Methylphthalic anhydride 5-甲基异苯并呋喃-1,3-二酮
BJS383565519438-61-098%
¥97.005g
20197-92-6 6,7-Dimethoxy-1H-benzo[d][1,3]oxazine-2,4-dione 6,7-二甲氧基-2H-苯并[d] [1,3]恶嗪-2,4(1H)-二酮
BJS427946020197-92-697%
¥57.00250mg
77603-45-3 5-Bromo-1H-benzo[d][1,3]oxazine-2,4-dione 5-溴-1H-苯并[d][1,3]恶嗪-2,4-二酮
BJS152391577603-45-395%
¥1044.0025g
81742-10-1 4,7-Dichloro-1,3-dioxo-1,3-dihydroisobenzofuran-5-carboxylic acid 4,7-二氯-1,3-二氢-1,3-二氧代-1,3-二氢-5-异苯并呋喃羧酸
BJS319082981742-10-197%
¥3639.001g
124346-74-3 5,6,7-Trimethoxy-1H-benzo[d][1,3]oxazine-2,4-dione 5,6,7-三甲氧基-1H-苯并[d][1,3]恶嗪-2,4-二酮
BJS3017620124346-74-395%
¥4074.001g
4821-94-7 5,6-Dimethoxyisobenzofuran-1,3-dione 5,6-二甲氧基异苯并呋喃-1,3-二酮
BJS70906894821-94-798%
¥210.00100mg
4466-59-5 4,7-Dichloroisobenzofuran-1,3-dione 3,6-二氯苯二甲酸酐
BJS16413804466-59-598%
¥162.00100mg
942-06-3 4,5-Dichlorophthalic Anhydride 4,5-二氯邻苯二甲酸酐
BJS4541163942-06-395%
¥668.0010g
652-39-1 4-Fluoroisobenzofuran-1,3-dione 4-氟异苯并呋喃-1,3-二酮
BJS8254778652-39-197%
¥666.0025g
319-03-9 5-Fluoroisobenzofuran-1,3-dione 5-氟异苯并呋喃-1,3-二酮
BJS3209200319-03-997%
¥1031.0025g
28418-88-4 4-Iodoisobenzofuran-1,3-dione 4-碘异苯并呋喃-1,3-二酮
BJS074234428418-88-497%
¥118.001g
116027-10-2 6-Iodo-1H-benzo[d][1,3]oxazine-2,4-dione 6-碘-1H-苯并[d][1,3]恶嗪-2,4-二酮
BJS7783460116027-10-295%
¥246.00100mg
10328-92-4 1-Methyl-1H-benzo[d][1,3]oxazine-2,4-dione 1-甲基-1H-苯并[d][1,3]恶嗪-2,4-二酮
BJS243684410328-92-498%
¥57.001g
5463-50-3 4,7-Dimethylisobenzofuran-1,3-dione 4,7-二甲基异苯并呋喃-1,3-二酮
BJS26996445463-50-397%
¥4660.001g
20877-81-0 5-Methyl-2H-benzo[d][1,3]oxazine-2,4(1H)-dione 5-甲基-2H-苯并[d][1,3]恶嗪-2,4(1H)-二酮
BJS671160120877-81-097%
¥229.00100mg
66176-17-8 8-Methyl-1H-benzo[d][1,3]oxazine-2,4-dione 8-甲基-1H-苯并[d][1,3]恶嗪-2,4-二酮
BJS217272466176-17-898%
¥57.00100mg
1 2 3 4 5 6 7 8 9 ... 13