Baicalein

• CAS: 491-67-8
• Catalog Number: ACM491678
• Category: Inhibitors
• Molecular Weight: 270.24
• Molecular Formula: C15H10O5
• Description: Baicalein (5,6,7-Trihydroxyflavone) is a xanthine oxidase inhibitor with an IC50 value of 3.12 μM.
• Synonyms: Noroxylin
• IUPAC Name: 5,6,7-Trihydroxy-2-phenylchromen-4-one
• Canonical SMILES: C1=CC=C(C=C1)C2=CC(=O)C3=C(O2)C=C(C(=C3O)O)O
• InChI: InChI=1S/C15H10O5/c16-9-6-11(8-4-2-1-3-5-8)20-12-7-10(17)14(18)15(19)13(9)12/h1-7,17-19H
• InChI Key: FXNFHKRTJBSTCS-UHFFFAOYSA-N
• Boiling Point: 373.35 °C
• Melting Point: 256-271 °C(lit.)
• Flash Point: 225.2 °C
• Density: 1.3280 g/cm³
• Appearance: Yellow solid
• Storage: Keep in dark place, sealed in dry, 2-8 °C
• Complexity: 413
• Exact Mass: 270.05282342
• Monoisotopic Mass: 270.05282342
• pKa: 6.31±0.40(Predicted)
• Refractive Index: 1.5000
• Shipping: Can be shipped at room temperature, where not in use may vary.
• Source: PlantsLabiataeScutellaria baicalensis Georgi
• Topological Polar Surface Area: 87 Ų

Synthetic Use

Downstream Synthesis Route 1

• 491-67-8
• 2616-64-0

• 21967-41-9

Reference: [1] Phytochemistry, 2000, vol. 53, # 5, p. 533 - 538

Downstream Synthesis Route 2

• 491-67-8
• 485-80-3

• 480-11-5

Reference: [1] FEBS Letters, 2016, p. 2619 - 2628

Downstream Synthesis Route 3

• 491-67-8
• 74-88-4

• 480-11-5
• 740-33-0

Reference: [1] Bioscience, Biotechnology and Biochemistry, 2004, vol. 68, # 2, p. 369 - 375

Downstream Synthesis Route 4

• 491-67-8
• 108-24-7

• 67047-05-6

Reference: [1]Bioorganic and Medicinal Chemistry,2014,vol. 22,p. 3146 - 3158

Downstream Synthesis Route 5

• 491-67-8
• 77-78-1

• 973-67-1

Reference: [1]Acta Phytochimica,1930,vol. 5,p. 103,110
Chemisches Zentralblatt,1931,vol. 102,p. 1760
[2]Heterocycles,2014,vol. 89,p. 2794 - 2805
[3]Acta Crystallographica Section C: Structural Chemistry,2020,vol. 76,p. 490 - 499

Downstream Synthesis Route 6

• 491-67-8
• 74-88-4

• 973-67-1

Reference: [1]Helvetica Chimica Acta,2011,vol. 94,p. 2221 - 2230

* For details of the synthesis route, please refer to the original source to ensure accuracy.