Pyrimidines And Derivatives

Aromatic organic compounds that consist of an aromatic six-membered ring containing two non-adjacent nitrogen atoms and four carbon atoms; includes compounds derived from pyrimidines.

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1,456 – 1,470 of 9,501 results

1,456

Medchemexpress LLC 5-iodopicolinic acid | 32046-43-8 | MFCD09910324 | 249.01 g/mol | C6H4INO2 | 1 G

5-Iodopicolinic acid (5-iodopyridine-2-carboxylic acid) is an iodinated pyridine carboxylic acid used as a chemical intermediate in organic synthesis and drug research. It serves as a building block for halogenated ligands and coordination complexes.

iodinated pyridine carboxylic acid
molecular formula C6H4INO2
molecular weight 249.01 g/mol
cas number 32046-43-8
intended use as a drug intermediate
store under conditions specified in the certificate of analysis
for research use only; not for human or clinical use

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1,457

eMolecules 149506-79-6 | Ambeed | 4-(Dibenzylamino)cyclohexanone | 1g | 552544139 | A118656 | MFCD16659682 | 293.41 | C20H23NO

Pharmablock | 2-(1-methylpiperidin-4-yl)ethan-1-amine | 25mg | 551194270 | PB02144 | 20845-38-9 | MFCD06637474 | 142.246 | C8H18N2

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1,458

Medchemexpress LLC PK11007 | 874146-69-7 | 98.7% | 10 MG

PK11007 is a mild thiol alkylator with anticancer activity. It stabilizes p53 through selective alkylation of two surface-exposed cysteines without affecting its DNA binding activity. PK11007 also induces cell death in mutant p53 cancer cells by increasing reactive oxygen species (ROS) levels.

Reduces viability significantly in mutant p53 cell lines
Induces mainly caspase-independent cell death
Up-regulates protein levels of p53 target genes (p21, MDM2, PUMA)
Increases p53 activity
Increases transcription of p53 target genes
Elevates ROS levels
Inhibits cell proliferation, induces apoptosis, and alters genes involved in cell death

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1,459

Medchemexpress LLC Clofencet 250mg | 129025-54-3 | 278.69 g·mol⁻¹ | C13H11ClN2O3 | 250 MG

Clofencet is a wheat hybridizing agent used in agricultural research to produce hybrid wheat seeds by inhibiting pollen development without affecting female fertility. It is supplied for research use only.

Used to induce wheat hybridization by inhibiting pollen development.
High purity: 98.62%.
Molecular formula C13H11ClN2O3; molecular weight 278.69 g·mol⁻¹.
Light yellow to brown solid; soluble in DMSO (5.83 mg/mL), insoluble in water (<0.1 mg/mL).
Available in multiple package sizes including 250 mg.
Storage: powder -20°C (up to 3 years) or 4°C (up to 2 years); in solvent -80°C (6 months) or -20°C (1 month).
For research use only.

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1,460

Medchemexpress LLC 2,5-dioxopyrrolidin-1-yl 2-(prop-2-yn-1-yloxy)acetate | 1858242-47-3 | MFCD29067173 | >98.0% | 211.17 g·mol⁻¹ | C9H9NO5 | 250 MG

2,5-Dioxopyrrolidin-1-yl 2-(prop-2-yn-1-yloxy)acetate is an N-hydroxysuccinimide (NHS) ester bearing a propargyl (alkyne) handle. It is used to introduce terminal alkyne functionality onto amine-containing molecules via NHS-ester coupling for downstream click chemistry and bioconjugation workflows. Reported purity is >98% and common pack sizes include 250 mg.

Provides a propargyl handle for copper-catalyzed azide-alkyne cycloaddition (click chemistry).
Reacts readily with primary amines through NHS-ester-mediated amide bond formation.
High reported purity supports reliable conjugation and analytical reproducibility.
Available in small pack sizes suitable for preparative and research use.
Stable when stored under recommended conditions for reagent-grade NHS esters.

Pricing & Availability

1,461

eMolecules 51359-78-5 | 4-Bromomethylbenzaldehyde | ChemScene | MFCD08271963 | 199.047 | C8H7BrO | 97.000 | BrCc1ccc(C=O)cc1 | 250mg | 665615583

4-Bromomethylbenzaldehyde | ChemScene | 51359-78-5 | MFCD08271963 | 199.047 | C8H7BrO | 97.000 | BrCc1ccc(C=O)cc1 | 250mg | 665615583

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1,462

Medchemexpress LLC 5-Methyl-2'-O,4'-C-methylenecytidine | 847650-87-7 | 98.0% | 269.25 | C11H15N3O5 | 1 ML

5-Methyl-2'-O,4'-C-methylenecytidine is a cytidine nucleoside analog supplied for research use, provided as a solid and as a ready-to-use 10 mM solution in DMSO for studies of DNA methylation and epigenetic mechanisms.

Cytidine nucleoside analog for DNA methylation and epigenetics research.
High purity (98.0%) suitable for analytical applications.
Available as solid and as a 10 mM solution in DMSO for convenience.
Molecular weight 269.25 for accurate dosing and calculations.
Recommended storage: solid at 4°C; in solvent at -80°C (6 months) or -20°C (1 month).
For research use only; not for human or clinical use.

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1,463

eMolecules Ambeed Ritonavir 250mg 570569802 A547820 0 000 155213-67-5 MFCD00927142 720 950 C37H48N6O5S2

Ambeed Ritonavir 250mg 570569802 A547820 0 000 155213-67-5 MFCD00927142 720 950 C37H48N6O5S2

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1,464

Medchemexpress LLC Uradil impurity 1 | 31737-09-4 | 99.8% | 160.56 | 250 MG

Uradil impurity 1 is an impurity of Uradil. It is for research use only and not sold to patients.

High purity (99.81%)
Known molecular weight (160.56) and molecular formula (C5H5ClN2O2)
Available as a solid
Specific storage conditions for powder and in solvent
Soluble in DMSO

Pricing & Availability

1,465

Medchemexpress LLC Isoxicam | 34552-84-6 | 99.8% | 250 MG

Isoxicam is an orally active, long-acting, non-steroidal anti-inflammatory agent for the research of arthritis. It is a nonselective inhibitor of COX-1 and COX-2.

Orally active
Long-acting
Non-steroidal anti-inflammatory agent
Nonselective inhibitor of COX-1 and COX-2
Used for arthritis research

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1,466

Medchemexpress LLC Glutathione oxidized | 27025-41-8 | 98.46% | 250 MG

Glutathione oxidized (Standard) serves as the analytical standard for Glutathione oxidized, designated for research and analytical applications. It is formed through the oxidation of glutathione, a process that occurs during the detoxification of reactive oxygen species. This product can be utilized for research pertaining to sickle cells and erythrocytes.

It is the analytical standard of glutathione oxidized.
Intended for research and analytical applications.
Produced by the oxidation of glutathione.
Used in qualitative, quantitative, and methodological research experiments in HPLC, GC, and MS.

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1,467

Medchemexpress LLC Benzylthiouracil (6-benzyl-2-thiouracil) | 6336-50-1 | 98.7% | 218.28 g/mol | C11H10N2OS | 250 MG

Benzylthiouracil is an antithyroid active pharmaceutical ingredient used in research on hyperthyroidism and TSH receptor inhibition. Supplied for laboratory research use only.

Antithyroid active pharmaceutical ingredient used in research.
CAS number 6336-50-1.
Purity 98.7% (typical).
Molecular formula C11H10N2OS, molecular weight 218.28 g/mol.
Available as solid (25 mg-250 mg) and 10 mM solution in DMSO.

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1,468

Medchemexpress LLC Pomalidomide 4'-PEG3-azide | 2271036-46-3 | 96.3% | 250 MG

Pomalidomide 4'-PEG3-azide is a synthesized E3 ligase ligand-linker conjugate that incorporates the Pomalidomide-based cereblon ligand and a linker. It can be used for the synthesis of iRucaparib-TP3 (Compound 3), a highly efficient PARP1 degrader based on Rucaparib using the PROTAC approach.

Synthesized E3 ligase ligand-linker conjugate
Incorporates a Pomalidomide-based cereblon ligand and a linker
Can be used for the synthesis of efficient PARP1 degraders
Click chemistry reagent containing an azide group
Capable of copper-catalyzed azide-alkyne cycloaddition reaction (CuAAc) with alkyne groups
Capable of strain-promoted alkyne-azide cycloaddition (SPAAC) reactions with DBCO or BCN groups

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1,469

Medchemexpress LLC 1-ethyl-1-methylpyrrolidinium tetrafluoroborate | 117947-85-0 | MFCD08458505 | >98.0% | 201.01 | C7H16BF4N | 5 G

1-Ethyl-1-methylpyrrolidinium tetrafluoroborate is an ionic liquid supplied as a white to off-white solid used as a reagent in organic synthesis, electrochemistry, and laboratory research. It delivers a stable tetrafluoroborate counterion for low-volatility, thermally stable ionic media and is commonly used as an electrolyte or reaction medium in materials and synthesis workflows.

Ionic liquid with tetrafluoroborate anion.
Solid, white to off-white appearance.
Molecular formula C7H16BF4N; molecular weight 201.01.
High purity (>98.0%).
Suitable for organic synthesis and electrochemical applications.
Available in small laboratory pack sizes for research use.

Pricing & Availability

1,470

eMolecules 4934-98-9 | Methyl 3-(benzyloxy)cyclobutanecarboxylate | Combi-Blocks | MFCD00513559 | 220.268 | C13H16O3 | 96.000 | COC(=O)C1CC(C1)OCc1ccccc1 | 250mg | 388720016

Methyl 3-(benzyloxy)cyclobutanecarboxylate | Combi-Blocks | 4934-98-9 | MFCD00513559 | 220.268 | C13H16O3 | 96.000 | COC(=O)C1CC(C1)OCc1ccccc1 | 250mg | 388720016

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Pyrimidines And Derivatives

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Medchemexpress LLC 5-iodopicolinic acid | 32046-43-8 | MFCD09910324 | 249.01 g/mol | C6H4INO2 | 1 G Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC PK11007 | 874146-69-7 | 98.7% | 10 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Clofencet 250mg | 129025-54-3 | 278.69 g·mol⁻¹ | C13H11ClN2O3 | 250 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC 2,5-dioxopyrrolidin-1-yl 2-(prop-2-yn-1-yloxy)acetate | 1858242-47-3 | MFCD29067173 | >98.0% | 211.17 g·mol⁻¹ | C9H9NO5 | 250 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC 5-Methyl-2'-O,4'-C-methylenecytidine | 847650-87-7 | 98.0% | 269.25 | C11H15N3O5 | 1 ML Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Uradil impurity 1 | 31737-09-4 | 99.8% | 160.56 | 250 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Isoxicam | 34552-84-6 | 99.8% | 250 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Glutathione oxidized | 27025-41-8 | 98.46% | 250 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Benzylthiouracil (6-benzyl-2-thiouracil) | 6336-50-1 | 98.7% | 218.28 g/mol | C11H10N2OS | 250 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Pomalidomide 4'-PEG3-azide | 2271036-46-3 | 96.3% | 250 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC 1-ethyl-1-methylpyrrolidinium tetrafluoroborate | 117947-85-0 | MFCD08458505 | >98.0% | 201.01 | C7H16BF4N | 5 G Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More