Oroxin B

Catalog No. Size PriceQuantity
M12486-2 2mg solid $135
M12486-10 10mg solid $405


Oroxin B (OB) is a flavonoid isolated from traditional Chinese herbal medicine Oroxylum indicum (L.) Vent. Oroxin B (OB) possesses obvious inhibitory effect and induces early apoptosis rather than late apoptosis on liver cancer cells through upregulation of PTEN, down regulation of COX-2, VEGF, PI3K, and p-AKT. Oroxin B (OB) selectively induces tumor-suppressive ER stress in malignant lymphoma cells.

Product information

CAS Number: 114482-86-9

Molecular Weight: 594.52

Formula: C27H30O15

Chemical Name: 5, 6-dihydroxy-2-phenyl-7-{[(2S, 3R, 4S, 5S, 6R)-3, 4, 5-trihydroxy-6-({[(2R, 3R, 4S, 5S, 6R)-3, 4, 5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}methyl)oxan-2-yl]oxy}-4H-chromen-4-one

Smiles: OC[C@H]1O[C@@H](OC[C@H]2O[C@@H](OC3=CC4OC(=CC(=O)C=4C(O)=C3O)C3C=CC=CC=3)[C@H](O)[C@@H](O)[C@@H]2O)[C@H](O)[C@@H](O)[C@@H]1O


InChi: InChI=1S/C27H30O15/c28-8-15-19(31)22(34)24(36)26(41-15)38-9-16-20(32)23(35)25(37)27(42-16)40-14-7-13-17(21(33)18(14)30)11(29)6-12(39-13)10-4-2-1-3-5-10/h1-7,15-16,19-20,22-28,30-37H,8-9H2/t15-,16-,19-,20-,22+,23+,24-,25-,26-,27-/m1/s1

Technical Data

Appearance: Solid Power

Purity: ≥98% (or refer to the Certificate of Analysis)

Solubility: DMSO : 100 mg/mL (168.20 mM; Need ultrasonic) H2O : < 0.1 mg/mL (ultrasonic) (insoluble)

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical or refer to Certificate of Analysis

Storage Condition: Dry, dark and -20 oC for 1 year or refer to the Certificate of Analysis.

Shelf Life: ≥360 days if stored properly.

Stock Solution Storage: 0 - 4 oC for 1 month or refer to the Certificate of Analysis.

Drug Formulation: To be determined

HS Tariff Code: 382200


  1. Li NN, et al. Evidence for the Involvement of COX-2/VEGF and PTEN/Pl3K/AKT Pathway the Mechanism of Oroxin B Treated Liver Cancer. Pharmacogn Mag. 2018 Apr-Jun;14(54):207-213.
  2. Yang P, et al. Oroxin B selectively induces tumor-suppressive ER stress and concurrently inhibits tumor-adaptive ER stress in B-lymphoma cells for effective anti-lymphoma therapy. Toxicol Appl Pharmacol. 2015 Oct 15;288(2):269-79.

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