Purpurogallin

Also known as: Purpurogalline, NSC 35676, NSC 646653, C09964, 2,3,4,6-Tetrahydroxy-5H-benzo[7]annulen-5-one, 2,3,4,6-Tetrahydroxybenzocyclohepten-5-one, AKOS 209-004, EINECS 209-324-9, MFCD00004145

Purpurogallin (CAS 569-77-7) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C11H8O5 and a molecular weight of 220.17800 g/mol. Key properties include a melting point of 275ºC (dec.)(lit.), a boiling point of 357.9ºC at 760mmHg, a density of 1.74g/cm3 and a flash point of 184.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 569-77-7
Jingsj CID: J-32949-7
Molecular Formula: C₁₁H₈O₅
Molecular Weight: 220.17800 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	275ºC (dec.)(lit.)
Boiling Point	357.9ºC at 760mmHg
Density	1.74g/cm3
Flash Point	184.5ºC
Exact Mass	220.03700
PSA	97.99000
LogP	1.02240
Refractive Index	1.79

Activity & Biological Data

Target	IC50: 0.2 µM (xanthine oxidase)[3]
Additional Information	[1]. Park HY, et al. Purpurogallin exerts anti‑inflammatory effects in lipopolysaccharide‑stimulated BV2 microglial cells through the inactivation of the NF‑κB and MAPK signaling pathways. Int J Mol Med. 2013 Nov;32(5):1171-8. [2]. Chang CZ, et al. Purpurogallin, a natural phenol, attenuates high-mobility group box 1 in subarachnoid hemorrhage induced vasospasm in a rat model. Int J Vasc Med. 2014;2014:254270. [3]. Honda S, et al. Conversion to purpurogallin, a key step in the mechanism of the potent xanthine oxidase inhibitory activity of pyrogallol. Free Radic Biol Med. 2017 May;106:228-235.

Target

IC50: 0.2 µM (xanthine oxidase)[3]

Additional Information

[1]. Park HY, et al. Purpurogallin exerts anti‑inflammatory effects in lipopolysaccharide‑stimulated BV2 microglial cells through the inactivation of the NF‑κB and MAPK signaling pathways. Int J Mol Med. 2013 Nov;32(5):1171-8. [2]. Chang CZ, et al. Purpurogallin, a natural phenol, attenuates high-mobility group box 1 in subarachnoid hemorrhage induced vasospasm in a rat model. Int J Vasc Med. 2014;2014:254270. [3]. Honda S, et al. Conversion to purpurogallin, a key step in the mechanism of the potent xanthine oxidase inhibitory activity of pyrogallol. Free Radic Biol Med. 2017 May;106:228-235.

Customs & Trade Information

HS Code	2914400090
Summary	2914400090 other ketone-alcohols and ketone-aldehydes。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Purpurogallin?

The CAS number of Purpurogallin is 569-77-7.

What are the molecular formula and molecular weight of Purpurogallin?

Purpurogallin has molecular formula C11H8O5 and molecular weight 220.17800 g/mol.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "Purpurogallin (CAS 569-77-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-32949-7 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.