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Pyrimidine

Cat No.:V7245 Purity: ≥98%
Pyrimidine is an endogenously produced metabolite.
Pyrimidine
Pyrimidine Chemical Structure CAS No.: 289-95-2
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
Pyrimidine is an endogenously produced metabolite.
Pyrimidine (CAS#: 289-95-2) is a heterocyclic aromatic organic compound similar to benzene and pyridine, containing two nitrogen atoms at positions 1 and 3 of the six-member ring. It is an endogenously produced metabolite and the parent compound of pyrimidine compounds. Pyrimidine has a molecular weight of 80.09 g/mol with a molecular formula of C4H4N2. Pyrimidine derivatives are used in the synthesis and discovery of antiviral medication, such as for HIV and HSV. They are also used in the synthesis of potent inhibitors of 15-lipoxygenase.
Biological Activity I Assay Protocols (From Reference)
Targets
Pyrimidine is an endogenous metabolite and the parent compound of pyrimidine derivatives. As a nitrogen-containing heterocyclic compound, it serves as a building block for various biologically active molecules. Pyrimidine derivatives have been used in pancreatic cancer, triple-negative breast cancer, colon carcinoma, and neuron research. The compound's derivatives also have anti-inflammatory activity, which may be due to their ability to inhibit prostaglandin E2 (PGE2) levels.
ln Vitro
In vitro, pyrimidine derivatives have been studied for their biological activities, including anti-inflammatory and anticancer effects. The compound is used as a building block for the synthesis of various biologically active molecules. Its derivatives have been shown to inhibit 15-lipoxygenase and reduce the release of leukotrienes. The compound's effects on cellular metabolism and signaling pathways have been characterized in various cell models.
ln Vivo
In vivo, pyrimidine is an endogenous metabolite and is involved in various metabolic pathways. Pyrimidine derivatives are important for various metabolic disorders such as diabetes mellitus type 2 (DM2). The compound's role in nucleic acid metabolism makes it essential for cellular function. Studies have examined its effects in models of metabolic disease and inflammation.
Enzyme Assay
In cell-free biochemical assays, pyrimidine is characterized for its chemical properties and role as a building block for biologically active molecules. Its purity and molecular weight (80.09 g/mol) are determined using analytical techniques. Its derivatives are evaluated for their inhibitory activity against 15-lipoxygenase and other enzymes.
Cell Assay
Cellular assays for pyrimidine involve evaluating its effects on cell metabolism and signaling. Pyrimidine derivatives are tested for their anti-inflammatory and anticancer activities in various cell lines. Their ability to inhibit prostaglandin E2 production is assessed. The compound's effects on nucleic acid metabolism are studied in relevant cell models.
Animal Protocol
Animal models for pyrimidine derivatives include models of cancer, inflammation, and metabolic disease. The compounds are typically administered orally or via injection. Studies have examined their effects on tumor growth, inflammatory markers, and metabolic parameters. Their antiviral activity has been evaluated in models of HIV and HSV infection.
ADME/Pharmacokinetics
Pharmacokinetic data for pyrimidine show that the compound has a molecular weight of 80.09 g/mol with a molecular formula of C4H4N2. The CAS number is 289-95-2. The compound is a liquid above 22°C. Standard handling procedures for heterocyclic compounds apply.
Toxicity/Toxicokinetics
The toxicity profile of pyrimidine is typical of heterocyclic compounds. Standard safety precautions for handling laboratory chemicals apply. The compound is for research use only and not for human use. Appropriate handling procedures should be followed to minimize exposure.
Additional Infomation
Pyrimidine is the parent compound of pyrimidine compounds; it is a diazine compound with two nitrogen atoms located at positions 1 and 3, respectively. It is a metabolite of the large flea (Daphnia magna). It belongs to both the pyrimidine and diazine classes. Pyrimidine is a metabolite found or produced in Escherichia coli (strains K12 and MG1655). Pyrimidine has been reported to exist in humans, ginseng, and other organisms with relevant data. Pyrimidine is one of two classes of heterocyclic nitrogenous bases found in nucleic acids DNA and RNA: in DNA, pyrimidine is cytosine and thymine; in RNA, uracil replaces thymine. Pyrimidine dimers are formed by the covalent linkage of a pair of pyrimidine bases (thymine or cytosine in DNA, or uracil in double-stranded RNA) through a cyclobutane ring, and their formation is induced by ultraviolet radiation. The presence of pyrimidine dimers inhibits DNA replication. Improper repair of these damages can promote DNA mutations. See also: thymine (with subclasses); uracil (with subclasses); cytosine (with subclasses).
Pyrimidine is a heterocyclic aromatic compound and endogenous metabolite with a molecular weight of 80.09 g/mol and formula C4H4N2. Its derivatives are used in antiviral research and as 15-lipoxygenase inhibitors. The CAS number is 289-95-2.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C4H4N2
Molecular Weight
80.0880
Exact Mass
80.037
CAS #
289-95-2
Related CAS #
190201-51-5
PubChem CID
9260
Appearance
Colorless to light yellow <22°C powder,>22°C liquid
Density
1.1±0.1 g/cm3
Boiling Point
122.4±9.0 °C at 760 mmHg
Melting Point
19-22 °C(lit.)
Flash Point
31.1±0.0 °C
Vapour Pressure
16.8±0.2 mmHg at 25°C
Index of Refraction
1.503
LogP
-0.33
Hydrogen Bond Donor Count
0
Hydrogen Bond Acceptor Count
2
Rotatable Bond Count
0
Heavy Atom Count
6
Complexity
32.5
Defined Atom Stereocenter Count
0
SMILES
N1C([H])=NC([H])=C([H])C=1[H]
InChi Key
CZPWVGJYEJSRLH-UHFFFAOYSA-N
InChi Code
InChI=1S/C4H4N2/c1-2-5-4-6-3-1/h1-4H
Chemical Name
pyrimidine
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

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 : ~100 mg/mL (~1248.60 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.5 mg/mL (31.21 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 25.0 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: ≥ 2.5 mg/mL (31.21 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 25.0 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: ≥ 2.5 mg/mL (31.21 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 25.0 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 12.4860 mL 62.4298 mL 124.8595 mL
5 mM 2.4972 mL 12.4860 mL 24.9719 mL
10 mM 1.2486 mL 6.2430 mL 12.4860 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:

  • Calculate the Mass of a compound required to prepare a solution of known volume and concentration
  • Calculate the Volume of solution required to dissolve a compound of known mass to a desired concentration
  • Calculate the Concentration of a solution resulting from a known mass of compound in a specific volume
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:
  • To calculate molar mass of a chemical compound, please enter the chemical/molecular formula and click the “Calculate’ button.
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.

  • Enter the mass of the reagent and the desired reconstitution concentration as well as the correct units
  • Click the “Calculate” button
  • 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.

Clinical Trial Information
NCT Number Recruitment interventions Conditions Sponsor/Collaborators Start Date Phases
NCT04802707 RECRUITING Combination Product: deoxycytidine and deoxythymidine Mitochondrial DNA Depletion
Mitochondrial Diseases
Mitochondrial Encephalomyopathy
Mitochondrial Encephalopathy
Mitochondrial Metabolism Disorders
McGill University HealthCentre
/Research Institute of the McGill University Health Centre
2021-10-18 Phase 2
NCT03532633 UNKNOWN STATUS Procedure: cord blood
Procedure: blood sample infant
Procedure: blood sample mother
Procedure: breast milk
Prematurity University Hospital Tuebingen 2017-03-01
NCT03982680 UNKNOWN STATUS Drug: Toripalimab
Drug: Gemcitabine
Drug: 5- fluorine pyrimidine
Advanced Cholangiocarcinoma Jiangmen Central Hospital 2019-07-13 Phase 2
NCT05007678 COMPLETED Drug: leflunomide COVID-19 Ashford and St. Peter's Hospitals NHS Trust 2020-09-16 Phase 3
NCT01291407 COMPLETED Drug: S-1
Drug: S-1
Drug: S-1
Gastric Cancer
Gastrointestinal Neoplasms
Chinese Academy of Medical Sciences 2010-11 Phase 1
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