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Cinanserin HCl

Alias: Cinanserin HCl SQ-10643 Cinanserin Hydrochloride
Cat No.:V6918 Purity: ≥98%
Cinanserin HCl (SQ 10643) is a potent, selective and high affinity 5-HT2 receptor blocker (antagonist) with Ki of 41 nM.
Cinanserin HCl
Cinanserin HCl Chemical Structure CAS No.: 54-84-2
Product category: New1
This product is for research use only, not for human use. We do not sell to patients.
Size Price Stock Qty
5mg
10mg
50mg
100mg
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Other Forms of Cinanserin HCl:

  • Cinanserin
Official Supplier of:
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Top Publications Citing lnvivochem Products
Product Description
Cinanserin HCl (SQ 10643) is a potent, selective and high affinity 5-HT2 receptor blocker (antagonist) with Ki of 41 nM. Cinanserin HCl has a much higher binding affinity for 5-HT2 than for the 5-HT1 receptor (Ki of 3500 nM). Cinanserin HCl is also an inhibitor (blocker/antagonist) of the 3C-like protease of the COVID-19 virus, which can greatly reduce virus replication in vitro.
Biological Activity I Assay Protocols (From Reference)
ln Vitro
The binding affinities of sarnanserin/sarnanserin hydrochloride are observed for HCoV-229E 3CLpro and SARS-CoV 3CLpro. The KD value for human coronavirus 229E is 18.2 μM/36.6 μM (HCoV-229E) 3CLpro, while for SARS-related coronavirus (SARS-CoV) 3CLpro, it is 49.4 μM/78.0 μM[1]. Inhibiting the catalytic activity of SARS-CoV 3CLpro, the computed IC50 values of sarnanserin and sarnanserin hydrochloride are 4.92 μM and 5.05 μM, respectively. The comparable IC50 values of HCoV-229E 3CLpro are 4.68 μM and 5.68 μM. At doses up to 200 μM, none of these substances exhibit inhibitory effect against HRV-14 3Cpro [1].
ln Vivo
Cinnamonin (5 mg/kg; intravenous injection; 2 hours duration; male Wistar rats) treatment dramatically reduced systemic burn edema to shamburn levels. Administration of cinnamon significantly decreases leukocyte-endothelial interactions [2].
Animal Protocol
Animal/Disease Models: Male Wistar rat (250 g) thermal injury [2]
Doses: 5 mg/kg
Route of Administration: intravenous (iv) (iv)injection; lasted 2 hrs (hrs (hours)).
Experimental Results: Whole body burn edema was Dramatically diminished to shamburn levels.
References

[1]. Cinanserin is an inhibitor of the 3C-like proteinase of severe acute respiratory syndrome coronavirus and strongly reduces virus replication in vitro. J Virol. 2005 Jun;79(11):7095-103.

[2]. Cinanserin reduces plasma extravasation after burn plasma transfer in rats. Burns. 2013 Sep;39(6):1226-33.

[3]. Receptor binding profile of R 41 468, a novel antagonist at 5-HT2 receptors. Life Sci. 1981 Mar 2;28(9):1015-22.

Additional Infomation
Cinanserin hydrochloride is the hydrochloride salt of cinanserin. It is an inhibitor of 3C-like proteinase of severe acute respiratory syndrome coronavirus (SARS-Cov) and reduces virus replication in vitro. It has a role as an antiviral agent, an EC 3.4.22.69 (SARS coronavirus main proteinase) inhibitor and an anticoronaviral agent. It contains a cinanserin(1+).
A serotonin antagonist with limited antihistaminic, anticholinergic, and immunosuppressive activity.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C20H25CLN2OS
Molecular Weight
376.94
Exact Mass
376.138
CAS #
54-84-2
Related CAS #
1166-34-3 (Parent)
PubChem CID
6433141
Appearance
Light yellow to yellow solid powder
Boiling Point
519.5ºC at 760mmHg
Flash Point
268ºC
LogP
5.257
Hydrogen Bond Donor Count
2
Hydrogen Bond Acceptor Count
3
Rotatable Bond Count
8
Heavy Atom Count
25
Complexity
391
Defined Atom Stereocenter Count
0
SMILES
CN(C)CCCSC1=CC=CC=C1NC(=O)/C=C/C2=CC=CC=C2.Cl
InChi Key
LXGJPDKYMJJWRB-IERUDJENSA-N
InChi Code
InChI=1S/C20H24N2OS.ClH/c1-22(2)15-8-16-24-19-12-7-6-11-18(19)21-20(23)14-13-17-9-4-3-5-10-17;/h3-7,9-14H,8,15-16H2,1-2H3,(H,21,23);1H/b14-13+;
Chemical Name
(E)-N-[2-[3-(dimethylamino)propylsulfanyl]phenyl]-3-phenylprop-2-enamide;hydrochloride
Synonyms
Cinanserin HCl SQ-10643 Cinanserin Hydrochloride
HS Tariff Code
2934.99.9001
Storage

Powder      -20°C    3 years

                     4°C     2 years

In solvent   -80°C    6 months

                  -20°C    1 month

Note: Please store this product in a sealed and protected environment, avoid exposure to moisture.
Shipping Condition
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
Solubility Data
Solubility (In Vitro)
DMSO : ~125 mg/mL (~331.62 mM)
H2O : ~100 mg/mL (~265.29 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.08 mg/mL (5.52 mM) (saturation unknown) in 10% DMSO + 40% PEG300 + 5% Tween80 + 45% Saline (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 20.8 mg/mL clear DMSO stock solution to 400 μL PEG300 and mix evenly; then add 50 μL Tween-80 to the above solution and mix evenly; then add 450 μL normal saline to adjust the volume to 1 mL.
Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH₂ O to obtain a clear solution.

Solubility in Formulation 2: ≥ 2.08 mg/mL (5.52 mM) (saturation unknown) in 10% DMSO + 90% (20% SBE-β-CD in Saline) (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 20.8 mg/mL clear DMSO stock solution to 900 μL of 20% SBE-β-CD physiological saline solution and mix evenly.
Preparation of 20% SBE-β-CD in Saline (4°C,1 week): Dissolve 2 g SBE-β-CD in 10 mL saline to obtain a clear solution.

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Solubility in Formulation 3: ≥ 2.08 mg/mL (5.52 mM) (saturation unknown) in 10% DMSO + 90% Corn Oil (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 20.8 mg/mL clear DMSO stock solution to 900 μL of corn oil and mix evenly.


 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 2.6529 mL 13.2647 mL 26.5294 mL
5 mM 0.5306 mL 2.6529 mL 5.3059 mL
10 mM 0.2653 mL 1.3265 mL 2.6529 mL

*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.

Calculator

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An example of molarity calculation using the molarity calculator is shown below:
What is the mass of compound required to make a 10 mM stock solution in 5 ml of DMSO given that the molecular weight of the compound is 350.26 g/mol?
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  • The answer of 17.513 mg appears in the Mass box. In a similar way, you may calculate the volume and concentration.

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What volume of a given 10 mM stock solution is required to make 25 ml of a 25 μM solution?
Using the equation C1V1 = C2V2, where C1=10 mM, C2=25 μM, V2=25 ml and V1 is the unknown:
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  • The answer of 62.5 μL (0.1 ml) appears in the Volume (Start) box
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Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
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In vivo Formulation Calculator (Clear solution)
Step 1: Enter information below (Recommended: An additional animal to make allowance for loss during the experiment)
Step 2: Enter in vivo formulation (This is only a calculator, not the exact formulation for a specific product. Please contact us first if there is no in vivo formulation in the solubility section.)
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Calculation results

Working concentration mg/mL;

Method for preparing DMSO stock solution mg drug pre-dissolved in μL DMSO (stock solution 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 stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O,mix and clarify.

(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.

Biological Data
  • Binding of cinanserin and cinanserin hydrochloride to SARS-CoV 3CLpro, HCoV-229E 3CLpro, and HRV-14 3Cpro as determined by SPR. Representative sensorgrams obtained with cinanserin and its hydrochloride at concentrations of 100, 70, 49, 34.3, 24.01, 16.8, 11.8, 8.24, 5.76, and 4.04 μM (curves from top to bottom) are shown. The compounds were injected for 120 s, and dissociation was monitored for more than 150 s. (A) Interaction of cinanserin with SARS-CoV 3CLpro. (B) Interaction of cinanserin hydrochloride with SARS-CoV 3CLpro. (C) Interaction of cinanserin with HCoV-229E 3CLpro. (D) Interaction of cinanserin hydrochloride with HCoV-229E 3CLpro. (E) Interaction of cinanserin with HRV-14 3Cpro. (F) Interaction of cinanserin hydrochloride with HRV-14 3Cpro.[1].Chen L, et al. Cinanserin is an inhibitor of the 3C-like proteinase of severe acute respiratory syndrome coronavirus and strongly reduces virus replication in vitro. J Virol. 2005 Jun;79(11):7095-103.
  • Inhibitory activity of cinanserin and its hydrochloride on the proteolytic activity of SARS-CoV 3CLpro (A) and HCoV-229E 3CLpro (B). Inhibition of cleavage was measured by FRET using a peptide substrate labeled with a pair of fluorogenic dyes. Cinanserin, solid line (data points are shown as squares); cinanserin hydrochloride, dashed line (data points are shown as triangles or circles); conc., concentration.[1].Chen L, et al. Cinanserin is an inhibitor of the 3C-like proteinase of severe acute respiratory syndrome coronavirus and strongly reduces virus replication in vitro. J Virol. 2005 Jun;79(11):7095-103.
  • Inhibition of coronavirus replicative function by cinanserin and cinanserin hydrochloride. BHK-Rep-1 cells containing HCoV-229E-based replicon RNA that mediates GFP expression were used to assess the inhibitory effect of the compounds by FACS analysis and fluorescence microscopy. One representative experiment out of four is shown. Bars indicate GFP-expressing BHK-Rep-1 cells in FACS analyses. The GFP expression of untreated cells was set at 100%.[1].Chen L, et al. Cinanserin is an inhibitor of the 3C-like proteinase of severe acute respiratory syndrome coronavirus and strongly reduces virus replication in vitro. J Virol. 2005 Jun;79(11):7095-103.
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