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Cycrimine

Alias: Cicrimina; Pagitane; Cycrimine
Cat No.:V18980 Purity: ≥98%
Cycrimine is an orally bioactive muscarinic cholinergic receptor M1 antagonist that reduces acetylcholine levels in Parkinson's disease (PD) models.
Cycrimine
Cycrimine Chemical Structure CAS No.: 77-39-4
Product category: New1
This product is for research use only, not for human use. We do not sell to patients.
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Product Description
Cycrimine is an orally bioactive muscarinic cholinergic receptor M1 antagonist that reduces acetylcholine levels in Parkinson's disease (PD) models. Cycrimine has antispasmodic activity and may be utilized in study/research of behavioral and psychiatric disorders.
Cycrimine (CAS#: 77-39-4) is a centrally acting anticholinergic drug, typically used as its hydrochloride salt. It is a synthetic compound that belongs to the class of anticholinergic agents. Cycrimine is used in the management and treatment of Parkinson's disease. It has also been used to treat other conditions such as peptic ulcers, irritable bowel syndrome, and urinary incontinence.
Biological Activity I Assay Protocols (From Reference)
Targets
Cycrimine targets the muscarinic acetylcholine receptor M1. It functions as an orally active muscarinic cholinergic receptor (mAChR) M1 antagonist. By binding to and blocking these receptors, Cycrimine reduces the levels of acetylcholine in the central nervous system. This antagonism helps to restore the balance between dopamine and acetylcholine in the brain, which is disrupted in Parkinson's disease.
ln Vitro
In vitro, Cycrimine acts as a muscarinic receptor antagonist. Its anticholinergic activity is characterized by its ability to block the effects of acetylcholine at muscarinic receptors. This activity is responsible for its pharmacological effects, including reducing tremors and muscle rigidity in Parkinson's disease.
ln Vivo
In vivo, Cycrimine is effective in reducing the symptoms of Parkinson's disease, including tremors, rigidity, and bradykinesia. It is administered orally and is used as an adjunctive therapy to levodopa or other dopaminergic agents. Its central anticholinergic action helps to improve motor function and reduce extrapyramidal symptoms.
Enzyme Assay
In cell-free receptor binding assays, Cycrimine's activity is evaluated by measuring its affinity for muscarinic acetylcholine receptors. Membrane preparations from tissues or cells expressing the M1 receptor are incubated with a radiolabeled antagonist (e.g., [3H]N-methylscopolamine or [3H]quinuclidinyl benzilate) and varying concentrations of Cycrimine. The displacement of the radioligand is measured, and the Ki is calculated from the competition curve.
Cell Assay
In vitro cell-based experiments with Cycrimine typically involve cell lines expressing muscarinic receptors, such as CHO cells transfected with M1 receptors. Cells are treated with the compound in the presence of a muscarinic agonist (e.g., carbachol), and the inhibition of agonist-induced intracellular calcium mobilization or inositol phosphate accumulation is measured. The IC50 for antagonism is determined from the concentration-response curve.
Animal Protocol
In vivo animal experiments with Cycrimine have been conducted in animal models of Parkinson's disease, such as the reserpine-induced catalepsy model or the 6-hydroxydopamine (6-OHDA) lesioned rat model. Animals are administered Cycrimine orally or intraperitoneally, and motor function is assessed using behavioral tests such as the rotarod test or the open field test. The compound's ability to reverse catalepsy or improve motor function is measured.
ADME/Pharmacokinetics
Cycrimine is an orally active anticholinergic agent. Its pharmacokinetic properties include good oral absorption and distribution to the central nervous system, which is necessary for its therapeutic effect in Parkinson's disease. The compound is metabolized in the liver and excreted primarily via the kidneys. No specific PK parameters (e.g., half-life, Cmax) are provided in the search results.
Toxicity/Toxicokinetics
Protein Binding
14-21%
Cycrimine is generally well-tolerated at therapeutic doses. Common adverse effects associated with anticholinergic drugs include dry mouth, blurred vision, constipation, urinary retention, and cognitive impairment. Due to its central anticholinergic activity, it may cause confusion or hallucinations, particularly in elderly patients. The compound is for research use only.
References

[1]. David T. CHAU. Methods of treating behaviorial and/or mental disorders. WO2014176460A1.

[2]. Tardive neurotoxicity of anticholinergic drugs: A review. J Neurochem. 2021 Sep;158(6):1334-1344.

[3]. Syntheses and pharmacological characterization of achiral and chiral enantiopure C/Si/Ge-analogous derivatives of the muscarinic antagonist cycrimine: a study on C/Si/Ge bioisosterism. Journal of organometallic chemistry 640.1-2 (2001): 140-.

[4]. Antispasmodic compound 08958 in treatment of paralysis agitans. J Am Med Assoc. 1953 Oct 24;153(8):715-8.

Additional Infomation
Cycrimine, a piperidine derivative, is chemically named 3-(piperidin-1-yl)prop-1-ol, where one hydrogen atom at position 1 is replaced by a cyclopentyl group and the other by a phenyl group. It is a centrally acting anticholinergic drug, and its hydrochloride salt is commonly used in the treatment and management of Parkinson's disease. Cycrimine possesses pharmacological effects against Parkinson's disease, muscarinic receptor antagonism, and motor dysfunction. It is a tertiary alcohol, belonging to the piperidine class and also a tertiary amine. Cycrimine is a drug used to lower acetylcholine levels to restore its balance with dopamine, and is used to treat and control Parkinson's disease. Drug Indications: Used for the treatment and control of Parkinson's disease. Mechanism of Action: Cycrimine binds to the muscarinic acetylcholine receptor M1, effectively inhibiting acetylcholine. The reduction in acetylcholine levels restores the normal dopamine-acetylcholine balance, thereby alleviating Parkinson's disease symptoms.
Pharmacodynamics
Cyclohexylamine is a centrally acting anticholinergic drug used to treat symptoms of Parkinson's disease. It is a drug used to lower acetylcholine levels. Acetylcholine normally maintains a balance with the neurotransmitter dopamine; however, dopamine levels are low in the brains of Parkinson's patients. It is believed that lowering acetylcholine levels may restore this balance.

Cycrimine is a centrally acting anticholinergic drug with a molecular formula of C19H29NO and a molecular weight of 287.44. It is also known as 1-cyclopentyl-1-phenyl-3-piperidin-1-ylpropan-1-ol. It is typically used as its hydrochloride salt in the treatment of Parkinson's disease. The compound is available for research purposes only and is not intended for clinical use outside of approved indications.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C19H29NO
Molecular Weight
287.44
Exact Mass
287.225
CAS #
77-39-4
PubChem CID
2911
Appearance
White to off-white solid powder
Density
1.057g/cm3
Boiling Point
433.5ºC at 760 mmHg
Melting Point
112-113
Flash Point
205.7ºC
Index of Refraction
1.554
LogP
3.878
Hydrogen Bond Donor Count
1
Hydrogen Bond Acceptor Count
2
Rotatable Bond Count
5
Heavy Atom Count
21
Complexity
301
Defined Atom Stereocenter Count
0
InChi Key
SWRUZBWLEWHWRI-UHFFFAOYSA-N
InChi Code
InChI=1S/C19H29NO/c21-19(18-11-5-6-12-18,17-9-3-1-4-10-17)13-16-20-14-7-2-8-15-20/h1,3-4,9-10,18,21H,2,5-8,11-16H2
Chemical Name
1-cyclopentyl-1-phenyl-3-piperidin-1-ylpropan-1-ol
Synonyms
Cicrimina; Pagitane; Cycrimine
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 (e.g. under nitrogen), 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)
May dissolve in DMSO (in most cases), if not, try other solvents such as H2O, Ethanol, or DMF with a minute amount of products to avoid loss of samples
Solubility (In Vivo)
Note: Listed below are some common formulations that may be used to formulate products with low water solubility (e.g. < 1 mg/mL), you may test these formulations using a minute amount of products to avoid loss of samples.

Injection Formulations
(e.g. IP/IV/IM/SC)
Injection Formulation 1: DMSO : Tween 80: Saline = 10 : 5 : 85 (i.e. 100 μL DMSO stock solution 50 μL Tween 80 850 μL Saline)
*Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH ₂ O to obtain a clear solution.
Injection Formulation 2: DMSO : PEG300Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL DMSO 400 μLPEG300 50 μL Tween 80 450 μL Saline)
Injection Formulation 3: DMSO : Corn oil = 10 : 90 (i.e. 100 μL DMSO 900 μL Corn oil)
Example: Take the Injection Formulation 3 (DMSO : Corn oil = 10 : 90) as an example, if 1 mL of 2.5 mg/mL working solution is to be prepared, you can take 100 μL 25 mg/mL DMSO stock solution and add to 900 μL corn oil, mix well to obtain a clear or suspension solution (2.5 mg/mL, ready for use in animals).
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Injection Formulation 4: DMSO : 20% SBE-β-CD in saline = 10 : 90 [i.e. 100 μL DMSO 900 μL (20% SBE-β-CD in saline)]
*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.
Injection Formulation 5: 2-Hydroxypropyl-β-cyclodextrin : Saline = 50 : 50 (i.e. 500 μL 2-Hydroxypropyl-β-cyclodextrin 500 μL Saline)
Injection Formulation 6: DMSO : PEG300 : castor oil : Saline = 5 : 10 : 20 : 65 (i.e. 50 μL DMSO 100 μLPEG300 200 μL castor oil 650 μL Saline)
Injection Formulation 7: Ethanol : Cremophor : Saline = 10: 10 : 80 (i.e. 100 μL Ethanol 100 μL Cremophor 800 μL Saline)
Injection Formulation 8: Dissolve in Cremophor/Ethanol (50 : 50), then diluted by Saline
Injection Formulation 9: EtOH : Corn oil = 10 : 90 (i.e. 100 μL EtOH 900 μL Corn oil)
Injection Formulation 10: EtOH : PEG300Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL EtOH 400 μLPEG300 50 μL Tween 80 450 μL Saline)


Oral Formulations
Oral Formulation 1: Suspend in 0.5% CMC Na (carboxymethylcellulose sodium)
Oral Formulation 2: Suspend in 0.5% Carboxymethyl cellulose
Example: Take the Oral Formulation 1 (Suspend in 0.5% CMC Na) as an example, if 100 mL of 2.5 mg/mL working solution is to be prepared, you can first prepare 0.5% CMC Na solution by measuring 0.5 g CMC Na and dissolve it in 100 mL ddH2O to obtain a clear solution; then add 250 mg of the product to 100 mL 0.5% CMC Na solution, to make the suspension solution (2.5 mg/mL, ready for use in animals).
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Oral Formulation 3: Dissolved in PEG400
Oral Formulation 4: Suspend in 0.2% Carboxymethyl cellulose
Oral Formulation 5: Dissolve in 0.25% Tween 80 and 0.5% Carboxymethyl cellulose
Oral Formulation 6: Mixing with food powders


Note: Please be aware that the above formulations are for reference only. InvivoChem strongly recommends customers to read literature methods/protocols carefully before determining which formulation you should use for in vivo studies, as different compounds have different solubility properties and have to be formulated differently.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 3.4790 mL 17.3949 mL 34.7899 mL
5 mM 0.6958 mL 3.4790 mL 6.9580 mL
10 mM 0.3479 mL 1.7395 mL 3.4790 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

Molarity Calculator allows you to calculate the mass, volume, and/or concentration required for a solution, as detailed below:

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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?
  • Enter 350.26 in the Molecular Weight (MW) box
  • Enter 10 in the Concentration box and choose the correct unit (mM)
  • Enter 5 in the Volume box and choose the correct unit (mL)
  • Click the “Calculate” button
  • The answer of 17.513 mg appears in the Mass box. In a similar way, you may calculate the volume and concentration.

Dilution Calculator allows you to calculate how to dilute a stock solution of known concentrations. For example, you may Enter C1, C2 & V2 to calculate V1, as detailed below:

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:
  • Enter 10 into the Concentration (Start) box and choose the correct unit (mM)
  • Enter 25 into the Concentration (End) box and select the correct unit (mM)
  • Enter 25 into the Volume (End) box and choose the correct unit (mL)
  • Click the “Calculate” button
  • The answer of 62.5 μL (0.1 ml) appears in the Volume (Start) box
g/mol

Molecular Weight Calculator allows you to calculate the molar mass and elemental composition of a compound, as detailed below:

Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
Instructions to calculate molar mass (molecular weight) of a chemical compound:
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Definitions of molecular mass, molecular weight, molar mass and molar weight:
  • Molecular mass (or molecular weight) is the mass of one molecule of a substance and is expressed in the unified atomic mass units (u). (1 u is equal to 1/12 the mass of one atom of carbon-12)
  • Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol.
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Reconstitution Calculator allows you to calculate the volume of solvent required to reconstitute your vial.

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  • The answer appears in the Volume (to add to vial) box
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.

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