5,6,7,8-tetramethoxy-2-(4-methoxyphenyl)-4-benzopyrone (CAS 481-53-8) — formula C20H20O7, molecular weight 372.4; category organic chemicals.
5,6,7,8-tetramethoxy-2-(4-methoxyphenyl)-4-benzopyrone (CAS 481-53-8) is a chemical raw material in the organic chemicals category. Its molecular formula C20H20O7 comprises 20 C, 20 H, 7 O atoms. Its molecular weight is about 372.4. Reported physicochemical data: melting point around 154 °C, LogP about 3. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 481-53-8 |
|---|---|
| Molecular Formula | C20H20O7 |
| Molecular Weight | 372.4 |
| Melting Point | 154 °C |
| LogP | 3 |
| Category | Organic Chemicals |
5,6,7,8-tetramethoxy-2-(4-methoxyphenyl)-4-benzopyrone is a carbon-based organic compound with CAS registry number 481-53-8 and molecular formula C20H20O7 (molecular weight 372.4), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 481-53-8
Its molecular formula C20H20O7 comprises 20 C, 20 H, 7 O atoms.
Also known as: 5,6,7,8-tetramethoxy-2-(4-methoxyphenyl)-4-benzopyrone · 5,6,7,8-四甲氧基-2-(4-甲氧基苯基)-4-苯并吡喃酮
Category: organic chemicals
The CAS registry number of 5,6,7,8-tetramethoxy-2-(4-methoxyphenyl)-4-benzopyrone is 481-53-8.
Molecular formula C20H20O7, molecular weight 372.4.
It is also registered under: 5,6,7,8-tetramethoxy-2-(4-methoxyphenyl)-4-benzopyrone, 5,6,7,8-四甲氧基-2-(4-甲氧基苯基)-4-苯并吡喃酮.
Category: Organic Chemicals.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for 5,6,7,8-tetramethoxy-2-(4-methoxyphenyl)-4-benzopyrone (CAS 481-53-8), compiled from public chemistry databases.
| CAS Registry Number | 481-53-8 |
|---|---|
| PubChem CID | 68077 |
| Molecular formula | C20H20O7 |
| IUPAC name | 5,6,7,8-tetramethoxy-2-(4-methoxyphenyl)chromen-4-one |
| UNII (FDA) | I4TLA1DLX6 |
| Molecular Weight | 372.4 |
|---|---|
| XLogP3 | 3 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 7 |
| Rotatable Bond Count | 6 |
| Exact Mass | 372.12090297 |
| Monoisotopic Mass | 372.12090297 |
| Topological Polar Surface Area | 72.5 |
| Heavy Atom Count | 27 |
| Melting Point | 154 °C |
|---|---|
| Collision Cross Section | 206.8 Ų [M+Na]+ |
| Collision Cross Section | 186.7 Ų [M+H]+ |
Tangeretin; 481-53-8; Tangeritin; Ponkanetin; Pentamethoxyflavone; 4',5,6,7,8-Pentamethoxyflavone; 5,6,7,8,4'-Pentamethoxyflavone; 5,6,7,8-tetramethoxy-2-(4-methoxyphenyl)chromen-4-one; 4H-1-Benzopyran-4-one, 5,6,7,8-tetramethoxy-2-(4-methoxyphenyl)-; 2-(4-Methoxyphenyl)-5,6,7,8-tetramethoxy-4H-1-benzopyran-4-one; I4TLA1DLX6; 5,6,7,8-tetramethoxy-2-(4-methoxyphenyl)-4H-1-benzopyran-4-one; DTXSID30197417; NSC53909; 4',5,6,7,8-pentamethoxy-flavone; NSC-53909
| Reported hazard statements | H300 (97.5%) |
|---|
H300 (97.5%): Fatal if swallowed [Danger Acute toxicity, oral]
P264, P270, P301+P316, P321, P330, P405, and P501 (click each P-code to see the statement)
5,6,7,8-tetramethoxy-2-(4-methoxyphenyl)-4-benzopyrone · CAS 481-53-8 · C20H20O7. UNII I4TLA1DLX6. Melting Point: 154 °C; Collision Cross Section: 206.8 Ų [M+Na]+; Collision Cross Section: 186.7 Ų [M+H]+.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.