Pyridostatin TFA salt
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MedKoo CAT#: 406602

CAS#: 1472611-44-1 (TFA)

Description: Pyridostatin stabilizes G-quadruplexes (G4s) in cells and elicits a DNA damage response by causing the formation of DNA double strand breaks (DSB). Pyridostatin promotes growth arrest in human cancer cells by inducing replication- and transcription-dependent DNA damage. Pyridostatin targets gene bodies containing clusters of sequences with a propensity for G-quadruplex formation. As a result, pyridostatin modulated the expression of these genes, including the proto-oncogene SRC.


Chemical Structure

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Pyridostatin TFA salt
CAS# 1472611-44-1 (TFA)

Theoretical Analysis

MedKoo Cat#: 406602
Name: Pyridostatin TFA salt
CAS#: 1472611-44-1 (TFA)
Chemical Formula: C37H35F9N8O11
Exact Mass: 596.24957
Molecular Weight: 938.72
Elemental Analysis: C, 47.34; H, 3.76; F, 18.21; N, 11.94; O, 18.75

Price and Availability

Size Price Availability Quantity
25.0mg USD 150.0 2 Weeks
50.0mg USD 250.0 2 Weeks
100.0mg USD 450.0 2 Weeks
200.0mg USD 950.0 2 Weeks
500.0mg USD 1650.0 2 Weeks
1.0g USD 2850.0 2 Weeks
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Related CAS #: 1472611-44-1 (TFA)   1085412-37-8 (free base)   1629261-49-9 (HCl)    

Synonym: Pyridostatin; PDS; Pyridostatin TFA salt

IUPAC/Chemical Name: 4-(2-aminoethoxy)-N2,N6-bis(4-(2-aminoethoxy)quinolin-2-yl)pyridine-2,6-dicarboxamide tris(2,2,2-trifluoroacetate)

InChi Key: CYYZQGUDHAKBIQ-UHFFFAOYSA-N

InChi Code: InChI=1S/C31H32N8O5.3C2HF3O2/c32-9-12-42-19-15-24(30(40)38-28-17-26(43-13-10-33)20-5-1-3-7-22(20)36-28)35-25(16-19)31(41)39-29-18-27(44-14-11-34)21-6-2-4-8-23(21)37-29;3*3-2(4,5)1(6)7/h1-8,15-18H,9-14,32-34H2,(H,36,38,40)(H,37,39,41);3*(H,6,7)

SMILES Code: O=C(C1=NC(C(NC2=NC3=CC=CC=C3C(OCCN)=C2)=O)=CC(OCCN)=C1)NC4=NC5=CC=CC=C5C(OCCN)=C4.O=C(O)C(F)(F)F.O=C(O)C(F)(F)F.O=C(O)C(F)(F)F

Appearance: White 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: >2 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 938.72 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: Marchand A, Granzhan A, Iida K, Tsushima Y, Ma Y, Nagasawa K, Teulade-Fichou M, Gabelica V. Ligand-Induced Conformational Changes with Cation Ejection upon Binding to Human Telomeric DNA G-Quadruplexes. J Am Chem Soc. 2015 Jan 6. [Epub ahead of print] PubMed PMID: 25525863.

2: Murat P, Zhong J, Lekieffre L, Cowieson NP, Clancy JL, Preiss T, Balasubramanian S, Khanna R, Tellam J. G-quadruplexes regulate Epstein-Barr virus-encoded nuclear antigen 1 mRNA translation. Nat Chem Biol. 2014 May;10(5):358-64. doi: 10.1038/nchembio.1479. Epub 2014 Mar 16. PubMed PMID: 24633353; PubMed Central PMCID: PMC4188979.

3: Murat P, Gormally MV, Sanders D, Di Antonio M, Balasubramanian S. Light-mediated in cell downregulation of G-quadruplex-containing genes using a photo-caged ligand. Chem Commun (Camb). 2013 Oct 4;49(76):8453-5. doi: 10.1039/c3cc44737e. PubMed PMID: 23949446; PubMed Central PMCID: PMC4155816.

4: Husby J, Todd AK, Platts JA, Neidle S. Small-molecule G-quadruplex interactions: Systematic exploration of conformational space using multiple molecular dynamics. Biopolymers. 2013 Dec;99(12):989-1005. doi: 10.1002/bip.22340. PubMed PMID: 23828641.

5: McLuckie KI, Di Antonio M, Zecchini H, Xian J, Caldas C, Krippendorff BF, Tannahill D, Lowe C, Balasubramanian S. G-quadruplex DNA as a molecular target for induced synthetic lethality in cancer cells. J Am Chem Soc. 2013 Jul 3;135(26):9640-3. doi: 10.1021/ja404868t. Epub 2013 Jun 25. PubMed PMID: 23782415; PubMed Central PMCID: PMC3964824.

6: Müller S, Sanders DA, Di Antonio M, Matsis S, Riou JF, Rodriguez R, Balasubramanian S. Pyridostatin analogues promote telomere dysfunction and long-term growth inhibition in human cancer cells. Org Biomol Chem. 2012 Aug 28;10(32):6537-46. doi: 10.1039/c2ob25830g. Epub 2012 Jul 13. PubMed PMID: 22790277; PubMed Central PMCID: PMC3700226.

7: Mergny JL. Alternative DNA structures: G4 DNA in cells: itae missa est? Nat Chem Biol. 2012 Feb 15;8(3):225-6. doi: 10.1038/nchembio.793. PubMed PMID: 22337092.

8: Rodriguez R, Miller KM, Forment JV, Bradshaw CR, Nikan M, Britton S, Oelschlaegel T, Xhemalce B, Balasubramanian S, Jackson SP. Small-molecule-induced DNA damage identifies alternative DNA structures in human genes. Nat Chem Biol. 2012 Feb 5;8(3):301-10. doi: 10.1038/nchembio.780. PubMed PMID: 22306580; PubMed Central PMCID: PMC3433707.

9: Mela I, Kranaster R, Henderson RM, Balasubramanian S, Edwardson JM. Demonstration of ligand decoration, and ligand-induced perturbation, of G-quadruplexes in a plasmid using atomic force microscopy. Biochemistry. 2012 Jan 17;51(2):578-85. doi: 10.1021/bi201600g. Epub 2012 Jan 6. PubMed PMID: 22225525.

10: Koirala D, Dhakal S, Ashbridge B, Sannohe Y, Rodriguez R, Sugiyama H, Balasubramanian S, Mao H. A single-molecule platform for investigation of interactions between G-quadruplexes and small-molecule ligands. Nat Chem. 2011 Aug 28;3(10):782-7. doi: 10.1038/nchem.1126. PubMed PMID: 21941250; PubMed Central PMCID: PMC3277938.

11: McCauley MJ, Williams MC. Single-molecule biophysics: untying a nanoscale knot. Nat Chem. 2011 Sep 23;3(10):754-5. doi: 10.1038/nchem.1159. PubMed PMID: 21941242.



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