SML3146
RHPS4 methosulfate
≥98% (HPLC)
别名:
3,11-Difluoro-6,8,13-trimethyl-8H-quino[4,3,2,kl]acridinium methosulfate, NSC 714187, Quino[4,3,2-kl]acridinium, 3,11-difluorohydro-6,8,13-trimethyl-, methyl sulfate (1:1)
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关于此项目
经验公式（希尔记法）:
C22H17F2N2 · CH3O4S
化学文摘社编号:
分子量:
458.48
MDL编号:
UNSPSC代码:
12352200
NACRES:
NA.77
质量水平
方案
≥98% (HPLC)
表单
powder
储存条件
protect from light
颜色
faint brown to very dark brown-red
溶解性
DMSO: 2 mg/mL, clear
储存温度
2-8°C
SMILES字符串
FC1=CC=C(N(C)C2=C3C4=[N+](C)C5=C(C=C(F)C=C5)C3=CC(C)=C2)C4=C1.[O-]S(=O)(OC)=O
InChI
1S/C22H17F2N2.CH4O4S/c1-12-8-16-15-10-13(23)4-6-18(15)26(3)22-17-11-14(24)5-7-19(17)25(2)20(9-12)21(16)22;1-5-6(2,3)4/h4-11H,1-3H3;1H3,(H,2,3,4)/q+1;/p-1
InChI key
VRWGYMXWYZBBGF-UHFFFAOYSA-M
相关类别
生化/生理作用
G-quadruplex (G4)-targeting telomerase inhibitor with anti-cancer efficacy in cultures and in vivo.
RHPS4 is a pentacyclic acridine compound that exerts telomerase inhibitory activity (IC50 = 330 nM by TRAP assay) via targeting telomeric DNA G-quadruplex (G4) structure, causing alteration in the telomeric architecture and telomere dysfunction. RHPS4 induces cell cycle arrest and growth inhibition in cancer cultures in vitro(% GI/culture/time = 93%/21NT/15 days, 67%/A431/12 days, 91%/GM847/15 days; 200 nM replenish twice weekly) and exhibits anti-tumor efficacy in mice in vivo (10-15 mg/kg/d iv.). RHPS4 is also reproted to target mitochondrial DNA (mtDNA) G4 structures, perturbing mitochondrial genome replication, transcription processivity, and respiratory function.
储存分类代码
11 - Combustible Solids
WGK
WGK 3
闪点(°F)
Not applicable
闪点(°C)
Not applicable
历史批次信息供参考:
分析证书(COA)
Lot/Batch Number
Annamaria Biroccio et al.
Clinical cancer research : an official journal of the American Association for Cancer Research, 17(8), 2227-2236 (2011-03-01)
We previously reported that the G-quadruplex (G4) ligand RHPS4 potentiates the antitumor activity of camptothecins both in vitro and in tumor xenografts. The present study aims at investigating the mechanisms involved in this specific drug interaction. Combination index test was
P Phatak et al.
British journal of cancer, 96(8), 1223-1233 (2007-04-05)
The pentacyclic acridinium methosulfate salt RHPS4 induces the 3'single-stranded guanine-rich telomeric overhang to fold into a G-quadruplex structure. Stabilisation of the latter is incompatible with an attachment of telomerase to the telomere and thus G-quadruplex ligands can effectively inhibit both
Francesco Berardinelli et al.
The FEBS journal, 285(7), 1226-1236 (2018-02-28)
The pentacyclic acridine RHPS4 is a highly potent and specific G-quadruplex (G4) ligand, which binds and stabilizes telomeric G4 leading to the block of the replication forks at telomeres and consequently to telomere dysfunctionalization. In turn, the cell recognizes unprotected
S M Gowan et al.
Molecular pharmacology, 60(5), 981-988 (2001-10-20)
A novel pentacyclic acridine, 3,11-difluoro-6,8,13-trimethyl-8H-quino[4,3,2-kl]acridinium methosulfate (RHPS4), has been identified as a potent inhibitor of telomerase in the cell-free telomeric repeat amplification protocol (TRAP). Modeling and biophysical studies suggest that RHPS4 inhibits telomerase through stabilization of four-stranded G-quadruplex structures formed
Robert A Heald et al.
Journal of medicinal chemistry, 45(3), 590-597 (2002-01-25)
Two short routes to novel methylated pentacyclic quinoacridinium salts have been devised. New compounds display telomerase-inhibitory potency (<1 microM) in the TRAP assay. 3,11-Difluoro-6,8,13-trimethyl-8H-quino[4,3,2-kl]acridinium methosulfate (12d, RHPS4, NSC 714187) has a higher selectivity for triplex and quadruplex DNA structures than
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