2. Signaling Pathways
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  4. Reference Standards

Reference Standards

Material, sufficiently homogeneous and stable with respect to one or more specified properties, and the uses include the calibration of a measurement system, assessment of a measurement procedure, assigning values to other materials, and quality control and so on.

Reference Standards Related Products (7752):

Cat. No. Product Name Effect Purity Chemical Structure
  • HY-134670R
    a-Hydroxymetoprolol (Standard)
    a-Hydroxymetoprolol (Standard) is the analytical standard of a-Hydroxymetoprolol. This product is intended for research and analytical applications. a-Hydroxymetoprolol is a metabolite of metoprolol. The adrenoreceptor blocking effect of a-Hydroxymetoprolol on metoprolol is almost zero.
    a-Hydroxymetoprolol (Standard)
  • HY-78838R
    (2R,4S)-4-Amino-5-(biphenyl-4-yl)-2-methylpentanoic acid ethyl ester hydrochloride (Standard)
    (2R,4S)-4-Amino-5-(biphenyl-4-yl)-2-methylpentanoic acid ethyl ester hydrochloride (Standard)
  • HY-A0083R
    Methacholine chloride (Standard)
    Methacholine (chloride) (Standard) is the analytical standard of Methacholine (chloride). This product is intended for research and analytical applications. Methacholine (Acetyl-β-methylcholine) choride is a potent muscarinic-3 (M3) agonist. Methacholine choride acts directly on acetylcholine receptors on smooth muscle causing bronchoconstriction and airway narrowing. Methacholine choride shows a high sensitivity to identify bronchial hyperresponsiveness (BHR). Methacholine choride can be used to measure airway hyperresponsiveness (AHR) as a diagnostic aid in the assessment of individuals with asthma-like symptoms and normal resting expiratory flow rates.
    Methacholine chloride (Standard)
  • HY-B1281R
    Mepyramine maleate (Standard)
    Mepyramine maleate (Standard) is the analytical standard of Mepyramine maleate. This product is intended for research and analytical applications. Mepyramine maleate, a first generation antihistamine, is an antagonist of histamine H1 receptor, with Kds of 0.8 nM, 5200 nM and >3000 nM for H1, H2, and H3 receptor, respectively, and a pKd of 9.4 for H1 receptor.
    Mepyramine maleate (Standard)
  • HY-17515R
    Ipfencarbazone (Standard)
    Ipfencarbazone (Standard) is the analytical standard of Ipfencarbazone. This product is intended for research and analytical applications. 0
    Ipfencarbazone (Standard)
  • HY-N0136R
    Taxifolin (Standard)
    Taxifolin (Standard) is the analytical standard of Taxifolin. This product is intended for research and analytical applications. Taxifolin ((+)-Dihydroquercetin) exhibits important anti-tyrosinase activity. Taxifolin exhibits significant inhibitory activity against collagenase with an IC50 value of 193.3 μM. Taxifolin is an important natural compound with antifibrotic activity. Taxifolin is a free radical scavenger with antioxidant capacity.
    Taxifolin (Standard)
  • HY-W018802R
    2-Acetyl-5-chlorothiophene (Standard)
    2-Acetyl-5-chlorothiophene (Standard) is the analytical standard of 2-Acetyl-5-chlorothiophene. This product is intended for research and analytical applications.
    2-Acetyl-5-chlorothiophene (Standard)
  • HY-Z1119R
    Ketoprofen impurity 2 (Standard)
    3-(Cyanomethyl)benzoic acid (Standard) is the analytical standard of 3-(Cyanomethyl)benzoic acid. This product is intended for research and analytical applications.
    Ketoprofen impurity 2 (Standard)
  • HY-Y0248R
    (E,E)-Farnesol (Standard)
    (E,​E)​-​Farnesol (Standard) (trans,trans-Farnesol (Standard)) is the analytical standard of (E,​E)​-​Farnesol (HY-Y0248). This product is intended for research and analytical applications. (E,E)-Farnesol (trans,trans-Farnesol) is a quorum-sensing molecule of Candida species. (E,E)-Farnesol can inhibit the growth, metabolism and biofilm formation of various Candida species, and affect their morphology and invasiveness.
    (E,E)-Farnesol (Standard)
  • HY-103093R
    Zotepine (Standard)
    Zotepine (Standard) is the analytical standard of Zotepine. This product is intended for research and analytical applications. Zotepine, an antipsychotic agent, is a potent antagonist of 5-HT2A, 5-HT2C, Histamine H1, α1-adrenergic and Dopamine D2 receptors, with Kds of 2.6 nM, 3.2 nM, 3.3 nM, 7.3 nM and 8 nM, respectively. Zotepine exhibits antidepressive and anxiolytic effects in vivo.
    Zotepine (Standard)
  • HY-Z8110R
    Betamethasone dipropionate impurity 3 (Standard)
    2-Oxo-2-((4aS,4bS,5aS,6aS,7R,8S,9aS,9bS)-4a,6a,8-trimethyl-2-oxo-7-(propionyloxy)-2,4a,5a,6,6a,7,8,9,9a,9b,10,11-dodecahydrocyclopenta[1,2]phenanthro[4,4a-b]oxiren-7-yl)ethyl propionate (Betamethasone Dipropionate Impurity) (Standard) is the analytical standard of 2-Oxo-2-((4aS,4bS,5aS,6aS,7R,8S,9aS,9bS)-4a,6a,8-trimethyl-2-oxo-7-(propionyloxy)-2,4a,5a,6,6a,7,8,9,9a,9b,10,11-dodecahydrocyclopenta[1,2]phenanthro[4,4a-b]oxiren-7-yl)ethyl propionate (Betamethasone Dipropionate Impurity). This product is intended for research and analytical applications.
    Betamethasone dipropionate impurity 3 (Standard)
  • HY-Z3995R
    Afatinib impurity 4 (Standard)
    (2R,4R)-1-[(2S)-5-[[Imino(nitroamino)methyl]amino]-2- [[(3-methyl-8-quinolinyl)sulfonyl]amino]-1-oxopentyl]-4-methyl-2-piperidinecarboxylic Acid (Afatinib Impurity） (Standard) is the analytical standard of (2R,4R)-1-[(2S)-5-[[Imino(nitroamino)methyl]amino]-2- [[(3-methyl-8-quinolinyl)sulfonyl]amino]-1-oxopentyl]-4-methyl-2-piperidinecarboxylic Acid (Afatinib Impurity）. This product is intended for research and analytical applications.
    Afatinib impurity 4 (Standard)
  • HY-B0137R
    Prilocaine (Standard)
    Prilocaine (Standard) is the analytical standard of Prilocaine. This product is intended for research and analytical applications. Prilocaine, an amino amide, is a Na/K-ATPase inhibitor. Prilocaine has neurotoxic effects.
    Prilocaine (Standard)
  • HY-W015560R
    3,5-Dihydroxybenzoic acid (Standard)
    3,5-Dihydroxybenzoic acid (Standard) is the analytical standard of 3,5-Dihydroxybenzoic acid. This product is intended for research and analytical applications. 3,5-Dihydroxybenzoic acid a potential biomarker for the consumption of many food products, including beer, nuts, peanut, and pulses. 3,5-Dihydroxybenzoic acid is the agonist for hydroxycarboxylic acid receptor 1 (HCA1, also known as GPR81) that inhibits lipolysis in adipocytes. 3,5-Dihydroxybenzoic acid is the competitive inhibitor for tyrosine phenol-lyase (TPL), exhibits an affinity of Ki=25.7 μM. 3,5-Dihydroxybenzoic acid is orally active.
    3,5-Dihydroxybenzoic acid (Standard)
  • HY-A0278R
    Hexaconazole (Standard)
    Hexaconazole (Standard) is the analytical standard of Hexaconazole. This product is intended for research and analytical applications.
    Hexaconazole (Standard)
  • HY-W002298R
    Glycidyl (S)-(+)-3-nitrobenzenesulfonate (Standard)
    Glycidyl (S)-(+)-3-nitrobenzenesulfonate (Standard) is the analytical standard of Glycidyl (S)-(+)-3-nitrobenzenesulfonate. This product is intended for research and analytical applications.
    Glycidyl (S)-(+)-3-nitrobenzenesulfonate (Standard)
  • HY-135842R
    Aspoxicillin (Standard)
    Aspoxicillin (Standard) is the analytical standard of Aspoxicillin. This product is intended for research and analytical applications. Aspoxicillin is a broad-spectrum antimicrobial agent against 68 isolates of Actinobacillus pleuropneumoniae with an MIC90 value of <= 0.05 μg/ml. Aspoxicillin has a long half-life in mouse serum of 55 minutes.
    Aspoxicillin (Standard)
  • HY-W020027R
    Methacrylamide (Standard)
    Methacrylamide (Standard) is the analytical standard of Methacrylamide. This product is intended for research and analytical applications. Methacrylamide can be used as an excipient. Pharmaceutical excipients, or pharmaceutical auxiliaries, refer to other chemical substances used in the pharmaceutical process other than pharmaceutical ingredients. Pharmaceutical excipients generally refer to inactive ingredients in pharmaceutical preparations, which can improve the stability, solubility and processability of pharmaceutical preparations. Pharmaceutical excipients also affect the absorption, distribution, metabolism, and elimination (ADME) processes of co-administered drugs.
    Methacrylamide (Standard)
  • HY-B1006R
    Pilocarpine nitrate (Standard)
    Pilocarpine (nitrate) (Standard) is the analytical standard of Pilocarpine (nitrate). This product is intended for research and analytical applications. Pilocarpine nitrate is a potent M3-type muscarinic acetylcholine receptor (M3 muscarinic receptor) agonist.
    Pilocarpine nitrate (Standard)
  • HY-100908R
    N-Acetyltryptamine (Standard)
    N-Acetyltryptamine (Standard) is the analytical standard of N-Acetyltryptamine. This product is intended for research and analytical applications. N-Acetyltryptamine is a partial agonist for melatonin receptors in the retina. N-Acetyltryptamine is also used for determination of serotonin N-acetyl transferase activity.
    N-Acetyltryptamine (Standard)