I138
1,5-Isoquinolinediol
≥98% (HPLC), powder
Synonym(s):
1,5-Dihydroxyisoquinoline, 5-Hydroxy-1(2H)-isoquinolinone, DiQ
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About This Item
Empirical Formula (Hill Notation):
C9H7NO2
CAS Number:
Molecular Weight:
161.16
MDL number:
UNSPSC Code:
12352202
PubChem Substance ID:
NACRES:
NA.77
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Assay
≥98% (HPLC)
form
powder
color
white to beige
mp
279-281 °C
solubility
DMSO: 20 mg/mL, clear
storage temp.
2-8°C
SMILES string
Oc1cccc2c(O)nccc12
InChI
1S/C9H7NO2/c11-8-3-1-2-7-6(8)4-5-10-9(7)12/h1-5,11H,(H,10,12)
InChI key
LFUJIPVWTMGYDG-UHFFFAOYSA-N
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Biochem/physiol Actions
DiQ is a potent inhibitor of Poly(ADP-ribose) synthetase which is activated by nitric oxide; neuroprotective agent.
Caution
Light sensitive
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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G M Wray et al.
Shock (Augusta, Ga.), 10(1), 13-19 (1998-08-04)
The nuclear enzyme poly(ADP-ribose) synthetase (PARS) is activated by DNA strand breakage, caused, for example by nitric oxide (NO), peroxynitrite, or oxygen-derived free radicals. Activation of PARS can cause intracellular energy depletion and cell death in vitro and may play
M C McDonald et al.
British journal of pharmacology, 128(6), 1339-1345 (1999-12-01)
1 Poly (ADP-ribose) synthetase (PARS) is a nuclear enzyme activated by strand breaks in DNA, which are caused by reactive oxygen species (ROS). Here we investigate the effects of the PARS inhibitors 3-aminobenzamide (3-AB), nicotinamide and 1,5-dihydroxyisoquinoline (ISO) on the
Niklas Schultz et al.
Nucleic acids research, 31(17), 4959-4964 (2003-08-22)
Cells with non-functional poly(ADP-ribose) polymerase (PARP-1) show increased levels of sister chromatid exchange, suggesting a hyper recombination phenotype in these cells. To further investigate the involvement of PARP-1 in homologous recombination (HR) we investigated how PARP-1 affects nuclear HR sites
J Zhang et al.
Science (New York, N.Y.), 263(5147), 687-689 (1994-02-04)
Poly(adenosine 5'-diphosphoribose) synthetase (PARS) is a nuclear enzyme which, when activated by DNA strand breaks, adds up to 100 adenosine 5'-diphosphoribose (ADP-ribose) units to nuclear proteins such as histones and PARS itself. This activation can lead to cell death through
T Ruscetti et al.
The Journal of biological chemistry, 273(23), 14461-14467 (1998-06-11)
The DNA-dependent protein kinase (DNA-PK) is a heterotrimeric enzyme that binds to double-stranded DNA and is required for the rejoining of double-stranded DNA breaks in mammalian cells. It has been proposed that DNA-PK functions in this DNA repair pathway by
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