Isoquercitrin
Also known as: Quercetin 3-β-D-glucoside, Quercetin 3-O-glucoside, Quercetin-3-O-β-D-glucopyranoside, Quercetin 3-β-glucopyranoside, 3,3',4',5,7-Pentahydroxyflavone 3-β-D-glucoside, Hirsutrin, Isotrifolin, Isoquercitroside, Isopseudopsoralen, Quercetin 3-β-O-glucoside, Quercetin 3-D-glucoside, Quercetin 3-O-glucofuranoside, Quercetin 3-O-β-glucoside, quercetin-3-glucoside, trifoliin
Isoquercitrin (CAS 21637-25-2) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C21H20O12 and a molecular weight of 464.376 g/mol. Key properties include a melting point of 225-227°, a boiling point of 872.6±65.0 °C at 760 mmHg, a density of 1.9±0.1 g/cm3 and a flash point of 307.5±27.8 °C. It is listed by 2 suppliers, 1 of which publish reference prices, from 4.00 to 3,500.00 CNY. Record last updated Aug 21, 2026.
- CAS No.
- 21637-25-2
- Jingsj CID
- J-1958301-7
- Molecular Formula
- C21H20O12
- Molecular Weight
- 464.376 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
In Stock | 98% 500mg | ¥2,000.00 | $0.6 /mgBest ¥4.00/mg CNY | CN China MOQ 500mg | |
In Stock | 98% 250mg | ¥1,180.00 | $0.71 /mg ¥4.72/mg CNY | CN China MOQ 250mg | |
In Stock | 98% 50mg | ¥480.00 | $1.44 /mg ¥9.60/mg CNY | CN China MOQ 50mg |
Physicochemical Properties
| Melting Point | 225-227° |
|---|---|
| Boiling Point | 872.6±65.0 °C at 760 mmHg |
| Density | 1.9±0.1 g/cm3 |
| Flash Point | 307.5±27.8 °C |
| Exact Mass | 464.095490 |
| PSA | 210.51000 |
| LogP | 1.75 |
| Vapor Pressure | 0.0±0.3 mmHg at 25°C |
| Refractive Index | 1.803 |
| Storage Conditions | −20°C |
Activity & Biological Data
| Additional Information | [1]. Jung SH, et al. Isoquercitrin is the most effective antioxidant in the plant Thuja orientalis and able to counteract oxidative-induced damage to a transformed cell line (RGC-5 cells). Neurochem Int. 2010 Dec;57(7):713-21. [2]. Rogerio AP, et al. Anti-inflammatory activity of quercetin and isoquercitrin in experimental murine allergic asthma. Inflamm Res. 2007 Oct;56(10):402-8. |
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Frequently Asked Questions
What is the CAS number of Isoquercitrin?
The CAS number of Isoquercitrin is 21637-25-2.
What are the molecular formula and molecular weight of Isoquercitrin?
Isoquercitrin has molecular formula C21H20O12 and molecular weight 464.376 g/mol.
Which suppliers offer Isoquercitrin?
2 supplier(s) listed; reference unit price ¥4.00–3500.00 /mg.
What are the upstream and downstream products of Isoquercitrin?
For Isoquercitrin, Downstream Products: D-Glucose, Quercetin.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Isoquercitrin (CAS 21637-25-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1958301-7 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.