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SML2671

Sigma-Aldrich

Cevipabulin fumarate

≥98% (HPLC)

Synonym(s):

5-Chloro-6-[2,6-difluoro-4-[3-(methylamino)propoxy]phenyl]-N-((1S)-2,2,2-trifluoro-1-methylethyl)-[1,2,4]triazolo[1,5-a]pyrimidin-7-amine fumarate, 5-Chloro-6-[2,6-difluoro-4-[3-(methylamino)propoxy]phenyl]-N-[(1S)-2,2,2-trifluoro-1-methylethyl][1,2,4]triazolo[1,5-a]pyrimidin-7-amine, TTI-237 fumarate

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About This Item

Empirical Formula (Hill Notation):
C18H18ClF5N6O · C4H4O4
CAS Number:
849550-67-0
Molecular Weight:
580.89
MDL number:
MFCD31813783
UNSPSC Code:
41116004
NACRES:
NA.77

Assay

≥98% (HPLC)

form

powder

storage condition

desiccated

color

white to beige

solubility

DMSO: 2 mg/mL, clear
H2O: 5 mg/mL

storage temp.

−20°C

SMILES string

FC1=CC(OCCCNC)=CC(F)=C1C2=C(N[C@@H](C)C(F)(F)F)N3C(N=C2Cl)=NC=N3.O=C(/C=C/C(O)=O)O

InChI

1S/C18H18ClF5N6O.C4H4O4/c1-9(18(22,23)24)28-16-14(15(19)29-17-26-8-27-30(16)17)13-11(20)6-10(7-12(13)21)31-5-3-4-25-2;5-3(6)1-2-4(7)8/h6-9,25,28H,3-5H2,1-2H3;1-2H,(H,5,6)(H,7,8)/b;2-1+/t9-;/m0./s1

InChI key

TUXZQBYIZLWUKK-AFIAKLHKSA-N

Biochem/physiol Actions

Cevipabulin (TTI-237) is a potent microtubule-stabilizing agent that binds to tubulin vinblastine binding site, a typical site of binding for microtubule-destabilizing agents. It is likely that cevipabulin, similarly to other triazolopyrimidines, promotes longitudinal tubulin contacts in microtubules, which promotes stabilization of micro-tubule. Cevipabulin exhibits potent cytotoxic activity in cancer cell lines including cell line expressing a high level of P-glycoprotein. It is active in vivo in several mouse xenograft models of human cancer.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Jane Kovalevich et al.
The Journal of pharmacology and experimental therapeutics, 357(2), 432-450 (2016-03-17)
The microtubule (MT)-stabilizing protein tau disengages from MTs and forms intracellular inclusions known as neurofibrillary tangles in Alzheimer's disease and related tauopathies. Reduced tau binding to MTs in tauopathies may contribute to neuronal dysfunction through decreased MT stabilization and disrupted
Gonzalo Sáez-Calvo et al.
Cell chemical biology, 24(6), 737-750 (2017-06-06)
Microtubule-targeting agents (MTAs) are some of the clinically most successful anti-cancer drugs. Unfortunately, instances of multidrug resistances to MTA have been reported, which highlights the need for developing MTAs with different mechanistic properties. One less explored class of MTAs are [1,2,4]triazolo[1,5-a]pyrimidines
Carl F Beyer et al.
Cancer research, 68(7), 2292-2300 (2008-04-03)
5-Chloro-6-[2,6-difluoro-4-[3-(methylamino)propoxy]phenyl]-N-[(1S)-2,2,2-trifluoro-1-methylethyl]-[1,2,4]triazolo[1,5-a]pyrimidin-7-amine butanedioate (TTI-237) is a microtubule-active compound of novel structure and function. Structurally, it is one of a class of compounds, triazolo[1,5a]pyrimidines, previously not known to bind to tubulin. Functionally, TTI-237 inhibited the binding of [(3)H]vinblastine to tubulin, but it

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