Negletein
Also known as: 7-O-Methylbaicalein, Baicalein-7-methyl ether, Baicalein methyl ether, 5,6-dihydroxy-7-methoxyflavone, 5,6-dihydroxy-7-methoxy-2-phenyl-4H-chromen-4-one, 5,6-dihydroxy-7-methoxy-2-phenyl-1-benzopyran-4-one
Negletein (CAS 29550-13-8) is a compound in the Ethers category listed in the Jingsj chemical database. It has the molecular formula C16H12O5 and a molecular weight of 284.26300 g/mol. Key properties include a melting point of 218-220ºC, a boiling point of 541.1ºC at 760mmHg, a density of 1.42g/cm3 and a flash point of 207.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 29550-13-8
- Jingsj CID
- J-1975578-2
- Molecular Formula
- C16H12O5
- Molecular Weight
- 284.26300 g/mol
- Category
- Ethers
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 218-220ºC |
|---|---|
| Boiling Point | 541.1ºC at 760mmHg |
| Density | 1.42g/cm3 |
| Flash Point | 207.5ºC |
| Exact Mass | 284.06800 |
| PSA | 79.90000 |
| LogP | 2.87980 |
| Vapor Pressure | 2.54E-12mmHg at 25°C |
| Refractive Index | 1.668 |
| Storage Conditions | 2-8℃ |
Activity & Biological Data
| Additional Information | [1]. Phan CW, et al. Negletein as a neuroprotectant enhances the action of nerve growth factor and induces neurite outgrowth in PC12 cells. Biofactors. 2016 Nov 12;42(6):591-599. [2]. Singh B, et al. Anti-inflammatory and immunomodulatory flavones from Actinocarya tibetica Benth.Nat Prod Res. 2013;27(23):2227-30. |
|---|
Customs & Trade Information
| HS Code | 2914509090 |
|---|---|
| Summary | HS:2914509090 other ketones with other oxygen function VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Negletein?
The CAS number of Negletein is 29550-13-8.
What are the molecular formula and molecular weight of Negletein?
Negletein has molecular formula C16H12O5 and molecular weight 284.26300 g/mol.
What are the upstream and downstream products of Negletein?
For Negletein, Upstream Products: Tectochrysin, 5,6,7-Trimethoxyflavone, Baicalein; Downstream Products: Baicalein.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Negletein (CAS 29550-13-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1975578-2 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.