SL 0101-1

SL 0101-1 (SL0101), a kaempferol glycoside, isolated from the tropical plant F. refracta, is a cell-permeable, selective, reversible, ATP-competitive p90 Ribosomal S6 Kinase (RSK) inhibitor, with an IC50 of 89 nM[1]. SL 0101-1 (SL0101) is a selective RSK1/2 inhibitor, with a Ki of 1 μM.

Product information

CAS Number: 77307-50-7

Molecular Weight: 516.45

Formula: C25H24O12

Synonym:

SL0101

Chemical Name: (2S, 3S, 4S, 5R, 6S)-3-(acetyloxy)-6-{[5, 7-dihydroxy-2-(4-hydroxyphenyl)-4-oxo-4H-chromen-3-yl]oxy}-5-hydroxy-2-methyloxan-4-yl acetate

Smiles: C[C@@H]1O[C@@H](OC2=C(OC3=CC(O)=CC(O)=C3C2=O)C2C=CC(O)=CC=2)[C@H](O)[C@H](OC(C)=O)[C@H]1OC(C)=O

InChiKey: SXOZSDJHGMAEGZ-IGKKHSBFSA-N

InChi: InChI=1S/C25H24O12/c1-10-21(34-11(2)26)24(35-12(3)27)20(32)25(33-10)37-23-19(31)18-16(30)8-15(29)9-17(18)36-22(23)13-4-6-14(28)7-5-13/h4-10,20-21,24-25,28-30,32H,1-3H3/t10-,20+,21-,24-,25-/m0/s1

Technical Data

Appearance: Solid Power

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

Solubility: Soluble in DMSO

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical or refer to Certificate of Analysis

Storage Condition: Dry, dark and -20 ^oC for 1 year or refer to the Certificate of Analysis.

Shelf Life: ≥360 days if stored properly.

Stock Solution Storage: 0 - 4 ^oC for 1 month or refer to the Certificate of Analysis.

Drug Formulation: To be determined

HS Tariff Code: 382200

How to use

In Vitro:

SL 0101-1 (SL0101) shows proliferation inhibition in human breast cancer cell line MCF-7 and produces a cell cycle block in G1 phase.

References:

1. Smith JA, et al. Identification of the first specific inhibitor of p90 ribosomal S6 kinase (RSK) reveals an unexpected role for RSK in cancer cell proliferation. Cancer Res. 2005 Feb 1;65(3):1027-34.
2. Yu Li, et al. The Affinity of RSK for Cylitol Analogues of SL0101 Is Critically Dependent on the B-ring C-4'-hydroxy. Chem Commun (Camb). 2020 Mar 10;56(20):3058-3060.

Products are for research use only. Not for human use.