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

MedKoo CAT#: 406146

CAS#: 52328-97-9

Description: FLLL31, a novel curcumin analog, is an effective inhibitors of STAT3 phosphorylation, DNA binding activity, and transactivation in vitro. FLLL31 also inhibits colony formation in soft agar, cell invasion, and exhibit synergy with the anti-cancer drug doxorubicin against breast cancer cells.

Chemical Structure

CAS# 52328-97-9

Theoretical Analysis

MedKoo Cat#: 406146
Name: FLLL31
CAS#: 52328-97-9
Chemical Formula: C25H28O6
Exact Mass: 424.18859
Molecular Weight: 424.49
Elemental Analysis: C, 70.74; H, 6.65; O, 22.61

Size Price Shipping out time Quantity
5mg USD 245 2 Weeks
25mg USD 650 2 Weeks
Inquire bulk and customized quantity

Pricing updated 2021-03-02. Prices are subject to change without notice.

FLLL31, purity > 98%, is in stock. Current shipping out time is about 2 weeks after order is received. CoA, QC data and MSDS documents are available in one week after order is received.

Synonym: FLLL31; FLLL 31; FLLL-31.

IUPAC/Chemical Name: (1E,6E)-1,7-bis(3,4-dimethoxyphenyl)-4,4-dimethylhepta-1,6-diene-3,5-dione


InChi Code: InChI=1S/C25H28O6/c1-25(2,23(26)13-9-17-7-11-19(28-3)21(15-17)30-5)24(27)14-10-18-8-12-20(29-4)22(16-18)31-6/h7-16H,1-6H3/b13-9+,14-10+

SMILES Code: O=C(C(C)(C)C(/C=C/C1=CC=C(OC)C(OC)=C1)=O)/C=C/C2=CC=C(OC)C(OC)=C2

Solid powder

>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).

Soluble in DMSO, not in water

Shelf Life:
>5 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:

Handling Instructions:

Preparing Stock Solutions

The following data is based on the product molecular weight 424.49 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.

Select a batch to recalculate based on the batch molecular weight:
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: Lin L, Hutzen B, Zuo M, Ball S, Deangelis S, Foust E, Pandit B, Ihnat MA, Shenoy SS, Kulp S, Li PK, Li C, Fuchs J, Lin J. Novel STAT3 phosphorylation inhibitors exhibit potent growth-suppressive activity in pancreatic and breast cancer cells. Cancer Res. 2010 Mar 15;70(6):2445-54. doi: 10.1158/0008-5472.CAN-09-2468. Epub 2010 Mar 9. PubMed PMID: 20215512; PubMed Central PMCID: PMC2843552.

Additional Information