L-765314

This product is for research use only, not for human use. We do not sell to patients.

L-765314
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Cat #: V3338 CAS #: 189349-50-6 Purity ≥ 98%

Description: L-765314 (L-765,314) is a novel, potent and selective α1b adrenergic receptor antagonist with Kis of 5.4 nM and 2.0 nM for rat and human α1b adrenergic receptor, respectively.

References: Patane MA, et al. 4-Amino-2-[4-[1-(benzyloxycarbonyl)-2(S)- [[(1,1-dimethylethyl)amino]carbonyl]-piperazinyl]-6, 7-dimethoxyquinazoline (L-765,314): a potent and selective alpha1b adrenergic receptor antagonist. J Med Chem. 1998 Apr 9; 41(8):1205-8.

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Molecular Weight (MW)522.61
Molecular FormulaC27H34N6O5
CAS No.189349-50-6
Storage-20℃ for 3 years in powder formr
-80℃ for 2 years in solvent
Solubility In VitroDMSO: 10 mMr
Water: N/Ar
Ethanol: N/A
SMILES CodeO=C(N1[C@H](C(NC(C)(C)C)=O)CN(C2=NC(N)=C3C=C(OC)C(OC)=CC3=N2)CC1)OCC4=CC=CC=C4
SynonymsL-765314; L 765314; L765314
ProtocolIn VitroL-765314 shows two displacement sites. High-affinity sites account for approximately binding (IC501% of 90.25 nM, representing binding to the R1b site. Low affinity sites account for the remaining 75% of binding (IC50790 nM, representing binding to the R1a site
In VivoPlasma liquid chromatography/mass spectrometry (LCMS) analysis showed mean C for L-765314 (A322312)..maxis 1.05 μM, t1/2is 0.5 hours. L-765314 shows a weak potency (AD) to suppress the boost response to phenylephrine or A-6160325>3 mg/kg)。 Based on inhibition of the pressor response to the selective agonist A-1 of the R61603a subtype, L-765314 appears to be selective for the R1a receptor at doses up to 0.3 mg/kg. Results of antihypertensive efficacy in rats showed that both L-765314 and terazosin tended to lower heart rate (approximately 1 bpm at 25 mg/kg intravenously)
These protocols are for reference only. InvivoChem does not independently validate these methods.
Preparing Stock Solutions
Solvent volume to be added Mass (the weight of a compound)
Mother liquor concentration 1mg5mg10mg20mg
1mM1.9135 mL9.5674 mL19.1347 mL38.2695 mL
5mM0.3827 mL1.9135 mL3.8269 mL7.6539 mL
10mM0.1913 mL0.9567 mL1.9135 mL3.8269 mL
20mM0.0957 mL0.4784 mL0.9567 mL1.9135 mL
Quality Control Documentation
The molarity calculator equation
Mass(g) = Concentration(mol/L) × Volume(L) × Molecular Weight(g/mol)
Mass
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Concentration
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Volume
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Molecular Weight*
The dilution calculator equation
Concentration(start) × Volume(start) = Concentration(final) × Volume(final)

This equation is commonly abbreviated as: C1 V1 = C2 V2

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Step One: Enter information below
Dosage mg/kg Average weight of animals g Dosing volume per animal µL Number of animals
Step Two: Enter the in vivo formulation
%DMSO + % + %Tween 80 + %ddH2O

Calculation Results:
Working concentration: mg/ml;
Method for preparing DMSO master liquid: mg drug pre-dissolved in µL DMSO(Master liquid concentration mg/mL) ,Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug.
Method for preparing in vivo formulation: Take µL DMSO master liquid, next add µL PEG300, mix and clarify, next add µL Tween 80,mix and clarify, next add µL ddH2O,mix and clarify.
Note:
  • (1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
  • (2) Be sure to add the solvent(s) in order.