• ChemFaces is a professional high-purity natural products manufacturer.
  • Product Intended Use
  • 1. Reference standards
  • 2. Pharmacological research
  • 3. Inhibitors
  • Home
  • Natural Products
  • Bioactive
  • Screening Libraries
  • Hot Products
  • Plant Catalog
  • Customer Support
  • Product Use Citation
  • About Us
  • Contact Us
  • Natural Products
    Yohimbine Hydrochloride
    CAS No. 65-19-0 Price $30 / 20mg
    Catalog No.CFN99511Purity>=98%
    Molecular Weight390.91Type of CompoundAlkaloids
    FormulaC21H26N2O3HCLPhysical DescriptionWhite powder
    Download Manual    COA    MSDSSimilar structuralComparison (Web)
    Citing Use of our Products
    How to Order
    Orders via your E-mail:

    1. Product number / Name / CAS No.
    2. Delivery address
    3. Ordering/billing address
    4. Contact information
    Sent to Email: info@chemfaces.com
    Contact Us
    Order & Inquiry & Tech Support

    Tel: (0086)-27-84237683
    Fax: (0086)-27-84254680
    E-mail: manager@chemfaces.com
    Address: No. 83, CheCheng Rd., WETDZ, Wuhan, Hubei 430056, PRC
    Delivery time
    Delivery & Payment method

    1. Usually delivery time: Next day delivery by 9:00 a.m. Order now

    2. We accept: Wire transfer & Credit card & Paypal & Western Union
    * Packaging according to customer requirements(5mg, 10mg, 20mg and more). We shipped via FedEx, DHL, UPS, EMS and others courier.
    According to end customer requirements, ChemFaces provide solvent format. This solvent format of product intended use: Signaling Inhibitors, Biological activities or Pharmacological activities.
    Size /Price /Stock 10 mM * 1 mL in DMSO / $10.8 / In-stock
    Other Packaging *Packaging according to customer requirements(100uL/well, 200uL/well and more), and Container use Storage Tube With Screw Cap
    Our products had been exported to the following research institutions and universities, And still growing.
  • University of Stirling (United Kingdom)
  • University of Melbourne (Australia)
  • Chinese University of Hong Kong (China)
  • Univerzita Karlova v Praze (Czech Republic)
  • Universiti Putra Malaysia(UPM) (Malaysia)
  • Anna University (India)
  • Universitas Airlangga (Indonesia)
  • Universidad de Buenos Aires (Argentina)
  • Universitas islam negeri Jakarta (Indonesia)
  • Sri Sai Aditya Institute of Pha... (India)
  • S.N.D.T. Women's University (India)
  • More...
  • Package
    Featured Products

    Catalog No: CFN99854
    CAS No: 18422-83-8
    Price: $403/5mg

    Catalog No: CFN92400
    CAS No: 606-12-2
    Price: $40/20mg
    Chlorogenic acid

    Catalog No: CFN99116
    CAS No: 327-97-9
    Price: $30/20mg

    Catalog No: CFN97048
    CAS No: 61276-17-3
    Price: $60/20mg
    Sikokianin A

    Catalog No: CFN92155
    CAS No: 106293-99-6
    Price: $433/5mg

    Catalog No: CFN90536
    CAS No: 587-63-3
    Price: $318/20mg
    Neochamaejasmine A

    Catalog No: CFN92151
    CAS No: 90411-13-5
    Price: $418/5mg
    Related Screening Libraries
    Size /Price /Stock 10 mM * 100 uL in DMSO / Inquiry / In-stock
    10 mM * 1 mL in DMSO / Inquiry / In-stock
    Related Libraries
  • Nutraceutical Compound Library
  • Aphrodisiac effect Compound Library
  • Adrenergic receptor blockers Compound Library
  • Antagonists Compound Library
  • Alkaloids Compound Library
  • Dopamine Receptor Inhibitor Library
  • Adrenergic Receptor Inhibitor Library
  • Biological Activity
    Description: Yohimbine hydrochloride is an alpha 2-adrenoreceptor antagonist, blocking the pre- and postsynaptic alpha-2 adrenoreceptors and causing an increased release of noradrenaline and dopamine.It is an antagonist to xylazine hydrochloride-ketamine hydrochloride immobilization of white-tailed deer. Yohimbine has been used as a mydriatic and in the treatment of impotence. It is also alleged to be an aphrodisiac.
    Targets: Adrenergic Receptor | Dopamine Receptor
    In vivo:
    Am. J.Vet. Res., 1986, 47(4):949-52.
    Effect of yohimbine hydrochloride on serum prolactin concentration in the rat: possible antagonist for fescue toxicosis.[Pubmed: 3963600]
    Yohimbine Hydrochloride is an indole alkaloid which blocks alpha 2-adrenergic and dopamine receptors and stimulates serotonergic receptors. Yohimbine was selected for testing as a possible antagonist in fescue toxicosis.
    Reduced body weight gains in cattle with chronic fescue toxicosis may be due to ergot alkaloids produced by fungi which infect the fescue grass. Ergot alkaloids stimulate dopamine receptors, antagonize serotonin, and lower serum prolactin concentrations. It was hypothesized that yohimbine may reverse or counteract the effects of the toxic fescue. Investigation was made of the treatment effects of multiple doses of yohimbine given in rats by intraperitoneal and oral routes. Given intraperitoneally once a day for 8 days, Yohimbine Hydrochloride increased serum prolactin concentrations. When given orally in feed for 7 days, the drug decreased the serum prolactin concentration. The effects of yohimbine on prolactin concentrations were dependent on the dosages and routes of administration.
    The inability of yohimbine, when given orally, to increase serum prolactin levels decreased its potential usefulness for prolonged treatment of fescue toxicosis.
    Psychother Psychosom. 2012;81(1):29-37.
    Does yohimbine hydrochloride facilitate fear extinction in virtual reality treatment of fear of flying? A randomized placebo-controlled trial.[Pubmed: 22116378]
    Research suggests that Yohimbine Hydrochloride (YOH), a noradrenaline agonist, can facilitate fear extinction. It is thought that the mechanism of enhanced emotional memory is stimulated through elevated noradrenaline levels. This randomized placebo-controlled trial examined the potential exposure-enhancing effects of YOH in a clinical sample of participants meeting DSM-IV criteria for a specific phobia (fear of flying).
    Sixty-seven participants with fear of flying were randomized to 4 sessions of virtual reality exposure therapy (VRET) combined with YOH (10 mg), or 4 sessions of VRET combined with a placebo. Treatment consisted of 4 weekly 1-hour exposure sessions consisting of two 25-minute virtual flights. At pre- and post- treatment, fear of flying was assessed. The YOH or placebo capsules were administered 1 h prior to exposures. The manipulation of the noradrenaline activity was confirmed by salivary α-amylase (sAA) samples taken pre-, during and post-exposure. Forty-eight participants completed treatment. Manipulation of noradrenaline levels with YOH was successful, with significantly higher levels of sAA in the YOH group when entering exposure. Results showed that both groups improved significantly from pre- to post-treatment with respect to anxiety reduction. However, although the manipulation of noradrenaline activity was successful, there was no evidence that YOH enhanced outcome.
    Participants improved significantly on anxiety measures independently of drug condition, after 4 sessions of VRET. These data do not support the initial findings of exposure-enhancing effects of YOH in this dosage in clinical populations.
    Yohimbine Hydrochloride Description
    Source: The peels of Corynante Yohimbe.
    Solvent: DMSO, Pyridine, Methanol, Ethanol, etc.
    Storage: Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to 24 months(2-8C).

    Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20C. Generally, these will be useable for up to two weeks. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.

    Need more advice on solubility, usage and handling? Please email to: service@chemfaces.com

    After receiving: The packaging of the product may have turned upside down during transportation, resulting in the natural compounds adhering to the neck or cap of the vial. take the vial out of its packaging and gently shake to let the compounds fall to the bottom of the vial. for liquid products, centrifuge at 200-500 RPM to gather the liquid at the bottom of the vial. try to avoid loss or contamination during handling.
    Recent ChemFaces New Products and Compounds
    Decuroside I

    Catalog No: CFN95004
    CAS No: 96638-79-8
    Price: $318/5mg

    Catalog No: CFN95219
    CAS No: 1393342-06-7
    Price: $413/5mg
    Ebracteolata cpd B

    Catalog No: CFN92882
    CAS No: 83459-37-4
    Price: $268/10mg
    Shancigusin I

    Catalog No: CFN95061
    CAS No: 1435488-35-9
    Price: $388/5mg

    Catalog No: CFN92125
    CAS No: 75969-83-4
    Price: $413/5mg

    Catalog No: CFN90838
    CAS No: 733-40-4
    Price: $388/10mg
    New compound 2

    Catalog No: CFN95181
    CAS No: N/A
    Price: $318/5mg
    Chebulagic acid

    Catalog No: CFN92295
    CAS No: 23094-71-5
    Price: $ / mg
    Recently, ChemFaces products have been cited in many studies from excellent and top scientific journals

    Cell. 2018 Jan 11;172(1-2):249-261.e12.
    doi: 10.1016/j.cell.2017.12.019.

    PMID: 29328914

    Cell Metab. 2020 Mar 3;31(3):534-548.e5.
    doi: 10.1016/j.cmet.2020.01.002.

    PMID: 32004475

    Mol Cell. 2017 Nov 16;68(4):673-685.e6.
    doi: 10.1016/j.molcel.2017.10.022.

    PMID: 29149595

    ACS Nano. 2018 Apr 24;12(4): 3385-3396.
    doi: 10.1021/acsnano.7b08969.

    PMID: 29553709

    Nature Plants. 2016 Dec 22;3: 16206.
    doi: 10.1038/nplants.2016.205.

    PMID: 28005066

    Sci Adv. 2018 Oct 24;4(10): eaat6994.
    doi: 10.1126/sciadv.aat6994.

    PMID: 30417089
    Calculate Dilution Ratios(Only for Reference)
    1 mg 5 mg 10 mg 20 mg 25 mg
    1 mM 2.5581 mL 12.7907 mL 25.5813 mL 51.1627 mL 63.9533 mL
    5 mM 0.5116 mL 2.5581 mL 5.1163 mL 10.2325 mL 12.7907 mL
    10 mM 0.2558 mL 1.2791 mL 2.5581 mL 5.1163 mL 6.3953 mL
    50 mM 0.0512 mL 0.2558 mL 0.5116 mL 1.0233 mL 1.2791 mL
    100 mM 0.0256 mL 0.1279 mL 0.2558 mL 0.5116 mL 0.6395 mL
    * Note: If you are in the process of experiment, it's need to make the dilution ratios of the samples. The dilution data of the sheet for your reference. Normally, it's can get a better solubility within lower of Concentrations.
    Animal Research:
    J Wildl Dis. 1986 Jul;22(3):403-6.
    Effect of caffeine sodium benzoate, ketamine hydrochloride, and yohimbine hydrochloride on xylazine hydrochloride-induced anorexia in white-tailed deer.[Pubmed: 3735587]

    Fifteen male white-tailed deer (Odocoileus virginianus) were administered xylazine hydrochloride (1 mg/kg BW i.m.), xylazine hydrochloride (1 mg/kg i.m.) followed by caffeine sodium benzoate (10 mg/kg i.m.), xylazine hydrochloride (0.5 mg/kg i.m.) and ketamine hydrochloride (4.5 mg/kg i.m.), and xylazine hydrochloride (1 mg/kg i.m.) followed by Yohimbine Hydrochloride (0.125 mg/kg i.m.), in a Latin Square design. Mean dry matter intake (DMI) for 4 days pre-treatment was compared to each of 4 days post-treatment. A significant (P less than 0.01) decrease in DMI was found only on the first day following treatment for each of the four drug combinations. The percent decreases in DMI on the first 24-hr period after immobilization were: xylazine hydrochloride 47%, xylazine hydrochloride/caffeine sodium benzoate 36%, xylazine hydrochloride/Yohimbine Hydrochloride 36%, and xylazine hydrochloride/ketamine hydrochloride 31%. The xylazine hydrochloride/ketamine hydrochloride combination was found to be insufficient to adequately sedate the deer.
    The use of caffeine or Yohimbine Hydrochloride is recommended to reduce recumbency time, but offers no improvement in xylazine hydrochloride-induced anorexia.
    Structure Identification:
    Spectrochim Acta A Mol Biomol Spectrosc. 2011 Nov;82(1):270-8.
    Molecular structure, vibrational spectra and HOMO, LUMO analysis of yohimbine hydrochloride by density functional theory and ab initio Hartree-Fock calculations.[Pubmed: 21856216]
    Yohimbine Hydrochloride (YHCl) is an aphrodisiac and promoted for erectile dysfunction, weight loss and depression. The optimized geometry, total energy, potential energy surface and vibrational wavenumbers of Yohimbine Hydrochloride have been determined using ab initio, Hartree-Fock (HF) and density functional theory (DFT/B3LYP) method with 6-311++G(d,p) basis set. A complete vibrational assignment is provided for the observed Raman and IR spectra of Yohimbine Hydrochloride. The UV absorption spectrum was examined in ethanol solvent and compared with the calculated one in gas phase as well as in solvent environment (polarizable continuum model, PCM) using TD-DFT/6-31G basis set. These methods are proposed as a tool to be applied in the structural characterization of Yohimbine Hydrochloride. The calculated highest occupied molecular orbital (HOMO) and lowest unoccupied molecular orbital (LUMO) with frontier orbital gap are presented.