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

Price and Availability

Size Price Availability Quantity
5.0mg USD 245.0 2 Weeks
25.0mg USD 650.0 2 Weeks
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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

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, 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: 2934.99.9001

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.

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

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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.


5.0mg / USD 245.0

Additional Information