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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 (10970):

Cat. No. Product Name Effect Purity Chemical Structure
  • HY-B1614R
    Clenbuterol hydrochloride (Standard)
    Clenbuterol (hydrochloride) (Standard) is the analytical standard of Clenbuterol (hydrochloride). This product is intended for research and analytical applications. Clenbuterol (NAB-365) hydrochloride, a selective β2-adrenergic agonist, enhances skeletal muscle strength and hypertrophy. Clenbuterol hydrochloride induces growth factor mRNA, activates astrocytes, and protects rat brain tissue against ischemic damage.
    Clenbuterol hydrochloride (Standard)
  • HY-B2060R
    Tiamulin (Standard)
    Tiamulin (Standard) is the analytical standard of Tiamulin. This product is intended for research and analytical applications. Tiamulin (Thiamutilin) is a diterpenic antibiotic that is widely used in pigs and poultry for the control of infectious diseases. Tiamulin is effectively used in the study of airsacculitis, which is primarily caused by Mycoplasma spp.
    Tiamulin (Standard)
  • HY-W014423R
    L-Histidine hydrochloride hydrate (Standard)
    L-Histidine hydrochloride hydrate (Standard) is the analytical standard of L-Histidine hydrochloride hydrate (HY-W014423). This product is intended for research and analytical applications. L-Histidine hydrochloride hydrate is an endogenous metabolite. L-Histidine hydrochloride hydrate scavenges hydroxyl radicals and singlet oxygen, regulate the absorption of zinc, copper and iron, exhibits anti-inflammatory and antioxidant activities. L-Histidine hydrochloride hydrate is blood brain barrier penetrable.
    L-Histidine hydrochloride hydrate (Standard)
  • HY-124414R
    4'-Hydroxytamoxifen (Standard)
    4'-Hydroxytamoxifen (Standard) is the analytical standard of 4'-Hydroxytamoxifen. This product is intended for research and analytical applications. 4'-Hydroxytamoxifen is a metabolite of Tamoxifen. 4'-Hydroxytamoxifen shows higher affinity for the ER than Tamoxifen. 4'-Hydroxytamoxifen induces a non-apoptotic cytotoxic effect in human endometrial adenocarcinoma cells.
    4'-Hydroxytamoxifen (Standard)
  • HY-128744R
    Phosphonoacetic acid (Standard)
    Phosphonoacetic acid (Standard) is the analytical standard of Phosphonoacetic acid (HY-128744). This product is intended for research and analytical applications. Phosphonoacetic acid is an endogenous metabolite and antiviral agent. Phosphonoacetic acid is active against orthopoxviruses and herpes viruses. Phosphonoacetic acid can inhibit HSV DNA synthesis and virus-specific DNA polymerase activity, and affect the synthesis of late viral proteins.
    Phosphonoacetic acid (Standard)
  • HY-W014217R
    7-Aminodeacetoxycephalosporanic acid (Standard)
    7-Aminodeacetoxycephalosporanic acid (Standard) is the analytical standard of 7-Aminodeacetoxycephalosporanic acid. This product is intended for research and analytical applications. 7-Aminodeacetoxycephalosporanic acid (7-ADCA) is a key intermediate in the synthesis of cephalosporins.
    7-Aminodeacetoxycephalosporanic acid (Standard)
  • HY-17001AR
    Flupirtine (Standard)
    Flupirtine (Standard) (D 9998 (Standard)) is the analytical standard of Flupirtine (HY-17001A). This product is intended for research and analytical applications. Flupirtine is an orally active, blood-brain barrier-crossing non-opioid analgesic and neuroprotective agent. Flupirtine is a neuronal potassium channel opener (Kv7 activator), a NMDA receptor antagonist and a GABA receptor activator. Flupirtine stabilizes blood-brain-barrier integrity, reduces oxidative stress and brain leukocyte infiltration, enhances angioneurogenesis, suppresses calcium influx, stabilizes neuronal resting membrane potential, and counteracts focal cerebral ischemia. Flupirtine exhibits analgesic, muscle relaxant properties, protects neurons from excitotoxic, ischemic, or cytokine-mediated death. Flupirtine functions as a non-opioid analgesic without antipyretic or antiphlogistic properties, shows no relevant affinity to opiate receptor. Flupirtine can be used for the research of focal cerebral ischemia, pain, Alzheimer’s disease, or multiple sclerosis.
    Flupirtine (Standard)
  • HY-N7368R
    Hibifolin (Standard)
    Hibifolin (Standard) is the analytical standard of Hibifolin. This product is intended for research and analytical applications. Hibifolin is a flavonol glycoside that can be isolated from Helicteres isora. Hibifolin is an inhibitor of adenosine deaminase (ADA) (Ki = 49.92 μM). Hibifolin protects neurons against β-amyloid-induced neurotoxicity. Hibifolin possesses a potent protective activity against cell death induced by aggregated Aβ. Hibifolin can abolish Aβ-induced caspase-3 and caspase-7 activation. Hibifolin induces Akt phosphorylation in cortical neurons. Hibifolin is also a natural sortase A (SrtA) inhibitor (IC50 = 31.2 μM) through direct binding to SrtA protein. Hibifolin attenuates the pathogenic behavior of Staphylococcus aureus including adhesion, invasion, and biofilm formation. Hibifolin improves the survival of pneumonia induced by Staphylococcus aureus in mouse model and alleviates pathological damage. Hibifolin shows a synergistic antibacterial effect with Cefotaxime (HY-A0088A).
    Hibifolin (Standard)
  • HY-P1934AR
    Cyclo(L-Phe-L-Pro) (Standard)
    Gallic acid (hydrate) (Standard) is the analytical standard of Gallic acid (hydrate). This product is intended for research and analytical applications. Cyclo(L-Phe-L-Pro), isolated from Pseudomonas fluorescens and Pseudomonas alcaligenes cell-free culture supernatants is an antifungal cyclic dipeptide. Cyclo(L-Phe-L-Pro) inhibits IFN-β production by interfering with retinoic-acid-inducible gene-I (RIG-I) activation. Cyclo(L-Phe-L-Pro) exhibits free-radical scavenging activity with the IC50 of 24 µM in the DPPH assay.
    Cyclo(L-Phe-L-Pro) (Standard)
  • HY-N0610AR
    Cinnamic acid (Standard)
    Cinnamic acid (Standard) is the analytical standard of Cinnamic acid. This product is intended for research and analytical applications. Cinnamic acid has potential use in cancer intervention, with IC50s of 1-4.5 mM in glioblastoma, melanoma, prostate and lung carcinoma cells.
    Cinnamic acid (Standard)
  • HY-N0521R
    (-)-Gallocatechin (Standard)
    (-)-Gallocatechin (Standard) is the analytical standard of (-)-Gallocatechin. This product is intended for research and analytical applications. (-)-Gallocatechin, an epimer of (-)-Epigallocatechin (EGC), is contained in various tea products. (-)-Gallocatechin has antioxidant activities. (-)-Gallocatechin is the main active component in green tea extract (HTP-GTE) responsible for its effect of improving age-related cognitive impairments involving protein kinase A (PKA) pathway.
    (-)-Gallocatechin (Standard)
  • HY-150353MR1
    17-Estradiol, Estriol, Ethinylestradiol and Estrone in Methanol (Standard)
    17-Estradiol, Estriol, Ethinylestradiol and Estrone in Methanol (Standard) is mainly used for the detection of hormone components in foods and cosmetics, and is suitable for use as standard products in GB 31658.7.
    17-Estradiol, Estriol, Ethinylestradiol and Estrone in Methanol (Standard)
  • HY-14397AR
    Indomethacin sodium hydrate (Standard)
    Dimethenamide-P (Standard) is the analytical standard of Dimethenamide-P. This product is intended for research and analytical applications. Dimethenamide-P is an amide herbicide effective for the pre-emergence management of annual grasses, small-seeded broadleaf weeds, and sedges in ornamental plants, functioning by inhibiting the synthesis of long-chain fatty acids.
    Indomethacin sodium hydrate (Standard)
  • HY-107830R
    Methyl cholate (Standard)
    Methyl cholate (Standard) is the analytical standard of Methyl cholate. This product is intended for research and analytical applications. Methyl cholate is a bile acid analog and a specific inhibitor of TcdB toxin from Clostridioides difficile. Methyl cholate exerts a stronger selective inhibitory effect on TcdB than on TcdA. Methyl cholate induces conformational stabilization by binding to a unique site of TcdB, thereby blocking the binding of the toxin to host receptors and its self-processing process. Methyl cholate effectively protects human fibroblasts from TcdB-induced cytopathic effects. Methyl cholate exhibits dose-dependent anti-hepatic fibrosis activity in both cellular and zebrafish models, and significantly reduces the expression levels of α-SMA and COL-I. Methyl cholate is suitable for in-depth research in the fields of Clostridioides difficile infection and hepatic fibrosis.
    Methyl cholate (Standard)
  • HY-131589R
    Metoprolol acid (Standard)
    Metoprolol acid (Standard) is the analytical standard of Metoprolol acid. This product is intended for research and analytical applications. Metoprolol acid (Atenolol acid) is a urinary metabolite with no pharmacological activity. Metoprolol acid does not exert its pharmacological effects in vivo. Metoprolol acid can be detected by solid phase extraction and reversed phase high performance liquid chromatography. The analysis of metoprolol acid requires specific conditions, such as the use of fluorescence detection and specific eluents.
    Metoprolol acid (Standard)
  • HY-B1626AR
    Demecarium Bromide (Standard)
    Demecarium Bromide (Standard) is the analytical standard of Demecarium Bromide. This product is intended for research and analytical applications. Demecarium Bromide (BC-48) is a potent cholinesterase inhibitor, with an apparent affinity (Kiapp) of 0.15 μM. Demecarium Bromide (BC-48) is used as a glaucoma agent.
    Demecarium Bromide (Standard)
  • HY-W017382R
    4-Hydrazinobenzoic acid (Standard)
    4-Hydrazinobenzoic acid (Standard) is the analytical standard of 4-Hydrazinobenzoic acid. This product is intended for research and analytical applications. 4-Hydrazinobenzoic acid is a biochemical reagent that can be used as a biological material or organic compound for life science related research.
    4-Hydrazinobenzoic acid (Standard)
  • HY-W032013R
    1-Octanol (Standard)
    1-Octanol (Standard) is the analytical standard of 1-Octanol. This product is intended for research and analytical applications. 1-Octanol (Octanol), a saturated fatty alcohol, is a T-type calcium channels (T-channels) inhibitor with an IC50 of 4 μM for native T-currents. 1-Octanol is a highly attractive biofuel with diesel-like properties.
    1-Octanol (Standard)
  • HY-W013316R
    Lasamide (Standard)
    Lasamide (Standard) is the analytical standard of Lasamide. This product is intended for research and analytical applications. Lasamide is a potent human Carbonic Anhydrase inhibitor with Ki values of 7.54 and 2.76 nM for hCAXII and hCAIX, respectively.
    Lasamide (Standard)
  • HY-W012875R
    3-Nitropropanoic acid (Standard)
    3-Nitropropanoic acid (Standard) is the analytical standard of 3-Nitropropanoic acid. This product is intended for research and analytical applications. 3-Nitropropanoic acid (β-Nitropropionic acid) is an irreversible and orally active inhibitor of succinate dehydrogenase. 3-Nitropropanoic acid exhibits potent antimycobacterial activity with a MIC value of 3.3 μM. 3-Nitropropanoic acid can induce cell apoptosis[1][2].
    3-Nitropropanoic acid (Standard)