2. Reference Standards
  3. Active Small Molecule Standards
  4. GPCR/G Protein

GPCR/G Protein

GPCR/G Protein (522):

Cat. No. Product Name CAS No. Purity Chemical Structure
  • HY-N0390R
    L-Glutamine (standard) 56-85-9 ≥98%
    L-Glutamine (Standard) is the analytical standard of L-Glutamine. This product is intended for research and analytical applications. L-Glutamine (L-Glutamic acid 5-amide) is a non-essential amino acid present abundantly throughout the body and involved in many metabolic processes. L-Glutamine provides a source of carbons for oxidation in some cells.
    L-Glutamine (standard)
  • HY-101952R
    Prostaglandin E2 (Standard) 363-24-6 ≥98%
    Prostaglandin E2 (Standard) is the analytical standard of Prostaglandin E2. This product is intended for research and analytical applications. Prostaglandin E2 (PGE2) is a hormone-like substance that participate in a wide range of body functions such as the contraction and relaxation of smooth muscle, the dilation and constriction of blood vessels, control of blood pressure, and modulation of inflammation.
    Prostaglandin E2 (Standard)
  • HY-B0809R
    Theophylline (Standard) 58-55-9 99.99%
    Theophylline (Standard) is the analytical standard of Theophylline. This product is intended for research and analytical applications. Theophylline (1,3-Dimethylxanthine) is a potent phosphodiesterase (PDE) inhibitor, adenosine receptor antagonist, and histone deacetylase (HDAC) activator. Theophylline (1,3-Dimethylxanthine) inhibits PDE3 activity to relax airway smooth muscle. Theophylline (1,3-Dimethylxanthine) has anti-inflammatory activity by increase IL-10 and inhibit NF-κB into the nucleus. Theophylline (1,3-Dimethylxanthine) induces apoptosis. Theophylline (1,3-Dimethylxanthine) can be used for asthma and chronic obstructive pulmonary disease (COPD) research.
    Theophylline (Standard)
  • HY-14539R
    Clozapine (Standard) 5786-21-0 99.98%
    Clozapine (Standard) is the analytical standard of Clozapine. This product is intended for research and analytical applications. Clozapine (HF 1854) is an antipsychotic used for the research of schizophrenia. Clozapine has high affinity for a number of neuroreceptors. Clozapine is a potent antagonist of dopamine D2 with a Ki of 75 nM. Clozapine inhibits the muscarinic M1 receptor and serotonin 5HT2A receptor with Kis of 9.5 nM and 4 nM, respectively. Clozapine is also a potent and selective agonist at the muscarinic M4 receptor (EC50=11 nM).
    Clozapine (Standard)
  • HY-B1205R
    Atropine (Standard) 51-55-8 99.87%
    Atropine (Standard) is the analytical standard of Atropine. This product is intended for research and analytical applications. Atropine (Tropine tropate) is a competitive muscarinic acetylcholine receptor (mAChR) antagonist with IC50 values of 0.39 and 0.71 nM for Human mAChR M4 and Chicken mAChR M4, respectively. Atropine inhibits ACh-induced relaxations in human pulmonary veins. Atropine can be used for research of anti-myopia and bradycardia.
    Atropine (Standard)
  • HY-17503R
    Metoprolol (Standard) 51384-51-1 ≥98%
    Metoprolol (Standard) is the analytical standard of Metoprolol. This product is intended for research and analytical applications. Metoprolol is an orally active, selective β1-adrenoceptor antagonist. Metoprolol shows anti-inflammation, antitumor and anti-angiogenic properties.
    Metoprolol (Standard)
  • HY-B0151R
    Pregnenolone (Standard) 145-13-1 ≥98%
    Pregnenolone (Standard) is the analytical standard of Pregnenolone. This product is intended for research and analytical applications. Pregnenolone (3β-Hydroxy-5-pregnen-20-one) is a powerful neurosteroid, the main precursor of various steroid hormones including steroid ketones. Pregnenolone acts as a signaling-specific inhibitor of cannabinoid CB1 receptor, inhibits the effects of tetrahydrocannabinol (THC) that are mediated by the CB1 receptors. Pregnenolone can protect the brain from cannabis intoxication. Pregnenolone is also a TRPM3 channel activator, and also can weakly activate TRPM1 channels.
    Pregnenolone (Standard)
  • HY-B1108R
    Labetalol hydrochloride (Standard) 32780-64-6 99.94%
    Labetalol (hydrochloride) (Standard) is the analytical standard of Labetalol (hydrochloride). This product is intended for research and analytical applications.
    Labetalol hydrochloride (Standard)
  • HY-B0031R
    Quetiapine hemifumarate (Standard) 111974-72-2 99.87%
    Quetiapine (hemifumarate) (Standard) is the analytical standard of Quetiapine (hemifumarate). This product is intended for research and analytical applications. Quetiapine hemifumarate is a 5-HT receptors agonist with a pEC50 of 4.77 for human 5-HT1A receptor. Quetiapine hemifumarate is a dopamine receptor antagonist with a pIC50 of 6.33 for human D2 receptor. Quetiapine hemifumarate has moderate to high affinity for the human D2, HT1A, 5-HT2A, 5-HT2C receptor with pKis of 7.25, 5.74, 7.54, 5.55. Antidepressant and anxiolytic effects.
    Quetiapine hemifumarate (Standard)
  • HY-B0352R
    Mirtazapine (Standard) 85650-52-8 99.95%
    Mirtazapine (Standard) is the analytical standard of Mirtazapine. This product is intended for research and analytical applications. Mirtazapine (Org3770) is a potent and orally active noradrenergic and specific serotonergic antidepressant (NaSSA) agent. Mirtazapine is also a 5-HT2, 5-HT3, histamine H1 receptor and α2-adrenoceptor antagonist with pKi values of 8.05, 8.1, 9.3 and 6.95, respectively.
    Mirtazapine (Standard)
  • HY-B0527AR
    Amitriptyline hydrochloride (Standard) 549-18-8 99.03%
    Amitriptyline (hydrochloride) (Standard) is the analytical standard of Amitriptyline (hydrochloride). This product is intended for research and analytical applications. Amitriptyline hydrochloride is an inhibitor of serotonin reuptake transporter (SERT) and noradrenaline reuptake transporter (NET), with Kis of 3.45 nM and 13.3 nM for human SERT and NET, respectively. Amitriptyline hydrochloride also weakly binds to dopamine reuptake transporter (DAT) with a Ki of 2.58 μM. Amitriptyline hydrochloride also inhibits adrenergic, muscarinic, histamine and 5-HT receptors. Amitriptyline hydrochloride is a TrkA and TrkB receptors agonist with potent neurotrophic activity. Amitriptyline hydrochloride has antidepressant activity.
    Amitriptyline hydrochloride (Standard)
  • HY-B0418AR
    Loperamide hydrochloride (Standard) 34552-83-5 99.89%
    Loperamide (hydrochloride) (Standard) is the analytical standard of Loperamide (hydrochloride). This product is intended for research and analytical applications. Loperamide (hydrochloride) (R-18553 (hydrochloride)) is an opioid receptor agonist. Loperamide hydrochloride is a selective and competitive human intestinal carboxylesterases (hiCE) inhibitor. Loperamide hydrochloride has anti-diarrheal effect.
    Loperamide hydrochloride (Standard)
  • HY-B0006R
    Carvedilol (Standard) 72956-09-3 99.92%
    Carvedilol (Standard) is the analytical standard of Carvedilol. This product is intended for research and analytical applications. Carvedilol (BM 14190) is a non-selective β/α-1 blocker. Carvedilol inhibits lipid peroxidation in a dose-dependent manner with an IC50 of 5 μM. Carvedilol is a multiple action antihypertensive agent with potential use in angina and congestive heart failure. Carvedilol is an autophagy inducer that inhibits the NLRP3 inflammasome.
    Carvedilol (Standard)
  • HY-13715R
    Norepinephrine (Standard) 51-41-2 ≥98%
    Norepinephrine (Standard) is the analytical standard of Norepinephrine. This product is intended for research and analytical applications. Norepinephrine (Levarterenol; L-Noradrenaline) is a potent adrenergic receptor (AR) agonist. Norepinephrine activates α1, α2, β1 receptors.
    Norepinephrine (Standard)
  • HY-100806R
    Kynurenic acid (Standard) 492-27-3 ≥98%
    Kynurenic acid (Standard) is the analytical standard of Kynurenic acid. This product is intended for research and analytical applications. Kynurenic acid, an endogenous tryptophan metabolite, is a broad-spectrum antagonist targeting NMDA, glutamate, α7 nicotinic acetylcholine receptor. Kynurenic acid is also an agonist of GPR35/CXCR8.
    Kynurenic acid (Standard)
  • HY-B0575R
    Triamterene (Standard) 396-01-0 99.92%
    Triamterene (Standard) is the analytical standard of Triamterene. This product is intended for research and analytical applications. Triamterene blocks epithelial Na+ channel (ENaC) in a voltage-dependent manner, which used as a mild diuretic. Triamterene as an inhibitor of the TGR5 receptor.
    Triamterene (Standard)
  • HY-W010841R
    Levocetirizine dihydrochloride (Standard) 130018-87-0 ≥98%
    Levocetirizine (dihydrochloride) (Standard) is the analytical standard of Levocetirizine (dihydrochloride). This product is intended for research and analytical applications. Levocetirizine dihydrochloride ((R)-Cetirizine dihydrochloride) is a third-generation peripheral H1-receptor antagonist. Levocetirizine dihydrochloride is an antihistaminic agent which is the R-enantiomer of Cetirizine. Levocetirizine dihydrochloride has a higher affinity for the histamine H1-receptor than (S)-Cetirizine and can effectively treat allergic rhinitis and chronic idiopathic urticaria.
    Levocetirizine dihydrochloride (Standard)
  • HY-B0303AR
    Diphenhydramine hydrochloride (Standard) 147-24-0 99.90%
    Diphenhydramine (hydrochloride) (Standard) is the analytical standard of Diphenhydramine (hydrochloride). This product is intended for research and analytical applications. Diphenhydramine hydrochloride is a first-generation histamine H1-receptor antagonist with anti-cholinergic effect. Diphenhydramine hydrochloride can across the ovine blood-brain barrier (BBB).
    Diphenhydramine hydrochloride (Standard)
  • HY-B0478R
    Trazodone hydrochloride (Standard) 25332-39-2 99.90%
    Trazodone (hydrochloride) (Standard) is the analytical standard of Trazodone (hydrochloride). This product is intended for research and analytical applications. Trazodone (hydrochloride) (AF-1161) is an antidepressant belonging to the class of serotonin receptor antagonists and reuptake inhibitors for treatment of anxiety disorders.
    Trazodone hydrochloride (Standard)
  • HY-B0802R
    Terbutaline sulfate (Standard) 23031-32-5 99.95%
    Terbutaline (sulfate) (Standard) is the analytical standard of Terbutaline (sulfate). This product is intended for research and analytical applications. Terbutaline sulfate is an orally active β2-adrenergic receptor agonist and an active metabolite of bambuterol. Terbutaline sulfate can be used in asthma symptom research.
    Terbutaline sulfate (Standard)