WARNING: This product is for research use only, not for human or veterinary use.

MedKoo CAT#: 573601

CAS#: 2103-64-2

Description: Gallein is a Gβγ subunit signalling inhibitor which has been shown to inhibit metastatic spread of tumour cells expressing OR51E2 and exposed to its odorant ligand.

Chemical Structure

CAS# 2103-64-2

Theoretical Analysis

MedKoo Cat#: 573601
Name: Gallein
CAS#: 2103-64-2
Chemical Formula: C20H12O7
Exact Mass: 364.0583
Molecular Weight: 364.31
Elemental Analysis: C, 65.94; H, 3.32; O, 30.74

Price and Availability

Size Price Availability Quantity
50.0mg USD 275.0 2 Weeks
Bulk inquiry

Synonym: 4,5-Dihydroxyfluorescein, AI3-63042, Gallein, Pyrogallolphthalein

IUPAC/Chemical Name: 3',4',5',6'-Tetrahydroxyspiro(isobenzofuran-1(3H),9'-(9H)xanthene)-3-one


InChi Code: 1S/C20H12O7/c21-13-7-5-11-17(15(13)23)26-18-12(6-8-14(22)16(18)24)20(11)10-4-2-1-3-9(10)19(25)27-20/h1-8,21-24H

SMILES Code: C12(c3c(c(O)c(cc3)O)Oc3c1ccc(O)c3O)OC(=O)c1c2cccc1

Appearance: Solid powder

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

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition: Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Solubility: Soluble in DMSO

Shelf Life: >3 years if stored properly

Drug Formulation: This drug may be formulated in DMSO

Stock Solution Storage: 0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code: 2934.99.9001

Preparing Stock Solutions

The following data is based on the product molecular weight 364.31 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL

Molarity Calculator

Calculate the mass, volume, or concentration required for a solution.

*When preparing stock solutions always use the batch-specific molecular weight of the product found on the vial label and SDS / CoA (available online).

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.


Dilution Calculator

Calculate the dilution required to prepare a stock solution.

1: Sanz G, Leray I, Muscat A, Acquistapace A, Cui T, Rivière J, Vincent-Naulleau S, Giandomenico V, Mir LM. Gallein, a Gβγ subunit signalling inhibitor, inhibits metastatic spread of tumour cells expressing OR51E2 and exposed to its odorant ligand. BMC Res Notes. 2017 Oct 30;10(1):541. doi: 10.1186/s13104-017-2879-z. PubMed PMID: 29084601; PubMed Central PMCID: PMC5663063.


50.0mg / USD 275.0