4,8-Dimethoxy-2,3,6a,8,9,9a-hexahydrocyclopenta[c]furo[3',2':4,5]furo[2,3-h][1]benzopyran-1,11-dione (CAS No. 20421-12-9) is supplied by Jinan Shenghe Chemical Co., Ltd. with a typical purity of 按批次COA提供(不公开发布). Main applications include Organic Chemicals. Bulk quantities are available with COA; purity and packaging are subject to batch COA and order confirmation.
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The CAS number of 4,8-Dimethoxy-2,3,6a,8,9,9a-hexahydrocyclopenta[c]furo[3',2':4,5]furo[2,3-h][1]benzopyran-1,11-dione is 20421-12-9.
Typical purity is 按批次COA提供(不公开发布), supplied in 按订单/批次确认(不公开发布), with COA provided.
Main applications include Organic Chemicals.
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4,8-二甲氧基-2,3,6a,8,9,9a-六氢环戊[c]呋喃[3',2':4,5]呋喃[2,3-h][1]苯并吡喃-1,11-二酮 · CAS 20421-12-9 · C18H16O7. Melting Point: 240 °C.
| CAS 号 | 20421-12-9 |
|---|---|
| PubChem CID | 71435886 |
| 分子式 | C18H16O7 |
| IUPAC 名称 | 5,11-dimethoxy-6,8,19-trioxapentacyclo[10.7.0.02,9.03,7.013,17]nonadeca-1,9,11,13(17)-tetraene-16,18-dione |
| Molecular Weight | 344.3 |
|---|---|
| XLogP3 | 1.3 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 7 |
| Rotatable Bond Count | 2 |
| Exact Mass | 344.08960285 |
| Monoisotopic Mass | 344.08960285 |
| Topological Polar Surface Area | 80.3 |
| Heavy Atom Count | 25 |
| Formal Charge | 0 |
| Melting Point | 240 °C |
|---|
20421-12-9; Cyclopenta(c)furo(3',2':4,5)furo(2,3-h)(1)benzopyran-1,11-dione, 2,3,6a,8,9,9a-hexahydro-4,8-dimethoxy-; Cyclopenta[c]furo[3',2':4,5]furo[2,3-h][1]benzopyran-1,11-dione, 2,3,6a,8,9,9a-hexahydro-4,8-dimethoxy-; RefChem:335847; Aflatoxin Ex2B1; CHEBI:191494; DTXSID601112044; 4,8-Dimethoxy-2,3,6a,8,9,9a-hexahydrocyclopenta[c]furo[3',2':4,5]furo[2,3-h][1]benzopyran-1,11-dione; 5,11-dimethoxy-6,8,19-trioxapentacyclo[10.7.0.02,9.03,7.013,17]nonadeca-1,9,11,13(17)-tetraene-16,18-dione; Cyclopenta[c]furo[3a(2),2a(2):4,5]furo[2,3-h][1]benzopyran-1,11-dione, 2,3,6a,8,9,9a-hexahydro-4,8-dimethoxy-
CAS 号 20421-12-9；分子式 C18H16O7；分子量 — g/mol。
20421-12-9, Cyclopenta(c)furo(3',2':4,5)furo(2,3-h)(1)benzopyran-1,11-dione, 2,3,6a,8,9,9a-hexahydro-4,8-dimethoxy-, Cyclopenta[c]furo[3',2':4,5]furo[2,3-h][1]benzopyran-1,11-dione, 2,3,6a,8,9,9a-hexahydro-4,8-dimethoxy-, RefChem:335847, Aflatoxin Ex2B1, CHEBI:191494.
Melting Point: 240 °C.
本页事实取自 PubChem（美国国家医学图书馆）与 Wikidata。批号相关的数据——含量、水分、粒度、包装、保质期——随批次 COA 出具，不在本页公布。
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