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SML2869

Sigma-Aldrich

Ispinesib

≥98% (HPLC)

Synonyma:

(R)-N-(3-Aminopropyl)-N-[1-(3-benzyl-7-chloro-4-oxo-3,4-dihydroquinazolin-2-yl)-2-methylpropyl]-4-methylbenzamide, CK0238273, N-(3-Aminopropyl)-N-[(1R)-1-[7-chloro-3,4-dihydro-4-oxo-3-(phenylmethyl)-2-quinazolinyl]-2-methylpropyl]-4-methylbenzamide, SB 715992, SB-715992, SB715992

Přihlásitk zobrazení cen stanovených pro organizaci a smluvních cen
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About This Item

Empirický vzorec (Hillův zápis):
C30H33ClN4O2
Číslo CAS:
336113-53-2
Molekulová hmotnost:
517.06
MDL number:
MFCD22628831
UNSPSC Code:
12352200
NACRES:
NA.77

Quality Level

100

assay

≥98% (HPLC)

form

powder

optical activity

[α]/D +315 to +375°, c = 0.5 in chloroform-d

color

white to beige

solubility

DMSO: 2 mg/mL, clear

storage temp.

2-8°C

InChI

1S/C30H33ClN4O2/c1-20(2)27(34(17-7-16-32)29(36)23-12-10-21(3)11-13-23)28-33-26-18-24(31)14-15-25(26)30(37)35(28)19-22-8-5-4-6-9-22/h4-6,8-15,18,20,27H,7,16-17,19,32H2,1-3H3/t27-/m1/s1

InChI key

QJZRFPJCWMNVAV-HHHXNRCGSA-N

Biochem/physiol Actions

Ispinesib (SB-715992) is a potent and highly selective kinesin spindle protein (KSP, KIF11, EG5) allosteric inhibtor that specifically inhibits microtubule (MT)-stimulated ATPase activity of KSP (Ki = 1.7 nM; 5 μM MT, 500 μM ATP, 0.75 nM human KSP), but not ubiquitous kinesin heavy chain KHC, neuronal kinesin KIF1A, or mitotic kinesins CENP-E, RabK6, MCAK, MKLP1. Ispinesib exhibits anti-cancer efficacy in cultures (GI50 = 45 nM/BT-474 & 19 nM/MDA-MB-468) and in cancer xenograft models in vivo (8 or 10 mg/kg q4d×3 ip. mice with MCF-7, HCC-1954, KPL4, BT-474 xenografts).

Pictograms

Skull and crossbonesHealth hazard
GHS06,GHS08

signalword

Danger

Hazard Classifications

Acute Tox. 2 Inhalation - Acute Tox. 2 Oral - Muta. 2

Storage Class

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk_germany

WGK 3

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Geng-Yuan Chen et al.
ACS chemical biology, 12(4), 1038-1046 (2017-02-07)
To uncover their contrasting mechanisms, antimitotic drugs that inhibit Eg5 (kinesin-5) were analyzed in mixed-motor gliding assays of kinesin-1 and Eg5 motors in which Eg5 "braking" dominates motility. Loop-5 inhibitors (monastrol, STLC, ispinesib, and filanesib) increased gliding speeds, consistent with
James W Purcell et al.
Clinical cancer research : an official journal of the American Association for Cancer Research, 16(2), 566-576 (2010-01-14)
Ispinesib (SB-715992) is a potent inhibitor of kinesin spindle protein, a kinesin motor protein essential for the formation of a bipolar mitotic spindle and cell cycle progression through mitosis. Clinical studies of ispinesib have shown a 9% response rate in
Sandeep K Talapatra et al.
Journal of medicinal chemistry, 56(16), 6317-6329 (2013-07-24)
Development of drug resistance during cancer chemotherapy is one of the major causes of chemotherapeutic failure for the majority of clinical agents. The aim of this study was to investigate the underlying molecular mechanism of resistance developed by the mitotic
Lack of efficacy of short term thyroid hormone therapy in Down syndrome.
A P Parikh
Indian pediatrics, 28(1), 83-83 (1991-01-01)
Bojan Milic et al.
Proceedings of the National Academy of Sciences of the United States of America, 115(20), E4613-E4622 (2018-04-29)
Eg5, a mitotic kinesin, has been a target for anticancer drug development. Clinical trials of small-molecule inhibitors of Eg5 have been stymied by the development of resistance, attributable to mitotic rescue by a different endogenous kinesin, KIF15. Compared with Eg5
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