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.

Search Within Results

1,396 – 1,410 of 9,501 results

1,396

Medchemexpress LLC 4-Nitrodiphenylamine | 836-30-6 | MFCD00007301 | 214.22 g/mol | C12H10N2O2 | 250 MG

4-Nitrodiphenylamine is an aromatic amine antioxidant supplied as a solid research reagent and chemical intermediate. It is used in applications including rubber stabilization, analytical studies, and forensic residue analysis. Supplied for research use, the material is distributed in laboratory pack sizes suitable for small-scale research and method development.

Aromatic amine antioxidant and synthetic intermediate.
Solid form suitable for accurate weighing and handling.
Available in laboratory pack sizes for small-scale work.
Used in analytical and forensic residue applications.
Intended for research use only.

Pricing & Availability

1,397

Medchemexpress LLC Clopyralid | 1702-17-6 | MFCD00078655 | 97.0% | 192.00 g·mol-1 | C6H3Cl2NO2 | 250 MG

Clopyralid (Standard) is an analytical reference standard of the herbicide clopyralid (CAS 1702-17-6). It is supplied as a 250 mg vial with 97.0% purity for laboratory analytical and method development use (HPLC, GC, MS). For research use only; not for human use or clinical applications.

Analytical standard for clopyralid (CAS 1702-17-6).
High purity: 97.0%.
Suitable for HPLC, GC, and MS method development and validation.
Molecular formula C6H3Cl2NO2; molecular weight 192.00 g·mol-1.
Supplied as a 250 mg packaging for analytical testing.
Intended for research use only; not for human use.
Storage: follow the certificate of analysis; room temperature shipping noted.

Pricing & Availability

1,398

Medchemexpress LLC 5-Aminothalidomide | 191732-76-0 | MFCD30188077 | 99.7% | 273.24 g/mol | C13H11N3O4 | 250 MG

5-Aminothalidomide is a thalidomide-derived small molecule that serves as an E3 ligase ligand for PROTAC research. It is used to recruit cereblon in the synthesis of PROTAC degraders and related chemical biology applications, and is supplied with analytical documentation confirming high purity.

High purity suitable for synthetic chemistry and biochemical assays.
Functionalized for conjugation in PROTAC linker chemistry.
Documented with certificate of analysis (COA) and safety data sheet (SDS) for quality and safety verification.
Available in multiple laboratory-scale sizes to support research workflows.
Compatible with common analytical methods such as HPLC for batch verification.

Pricing & Availability

1,399

Medchemexpress LLC 3-Methyl-2-quinoxalinecarboxylic acid | 74003-63-7 | MFCD03840415 | 97.7% | 188.18 g/mol | C10H8N2O2 | 250 MG

3-Methyl-2-quinoxalinecarboxylic acid (MQCA) is a small-molecule drug metabolite supplied as a purified solid reference standard for analytical, pharmacokinetic, and residue monitoring studies. The material is characterized by CAS 74003-63-7, formula C10H8N2O2, molecular weight 188.18 g/mol, and a specified purity of 97.65%; batch certificate of analysis and SDS are available for quality traceability.

High purity (97.65%).
Solid, brown to dark brown form for stable storage and handling.
Suitable as an analytical reference standard for pharmacokinetic and residue analysis.
Batch certificate of analysis and SDS available for traceability.
Available in multiple package sizes to support small-scale laboratory use.

Pricing & Availability

1,400

Medchemexpress LLC Pseudopelletierine | 552-70-5 | 98.8% | 153.22 g/mol | C9H15NO | 250 MG

Pseudopelletierine is an alkaloid research chemical used as an enzyme substrate in biochemical assays. It is supplied as a solid and commonly used in enzymology and biochemical reagent applications.

Used as an enzyme substrate in biochemical assays.
Alkaloid structure suitable for enzymology studies.
Provided as a solid for ease of storage and handling.
High purity suitable for research applications.
Available in multiple pack sizes to fit experimental needs.
Molecular weight 153.22 g/mol and formula C9H15NO.

Pricing & Availability

1,401

Medchemexpress LLC Methyl cinnamate | 103-26-4 | MFCD00008458 | 99.6% | 162.19 g·mol⁻¹ | C10H10O2 | 25 G

Methyl cinnamate (CAS 103-26-4) is an aromatic ester used as a flavor and fragrance component and as a reagent in organic synthesis and biological assays. Supplied as a high-purity crystalline compound, it is suitable for analytical, preparative, and research applications.

High purity for analytical use.
Molecular formula C10H10O2; molecular weight 162.19 g·mol⁻¹.
Common applications include flavor and fragrance studies and small-molecule research.
Available in multiple laboratory pack sizes for convenience.
Stable under standard laboratory storage conditions and easy to handle.

Pricing & Availability

1,402

Medchemexpress LLC 5-methyl-2-nitrobenzoic acid | 3113-72-2 | MFCD00007368 | 99.9% | 181.15 g/mol | C8H7NO4 | 25 G

5-Methyl-2-nitrobenzoic acid (2-nitro-5-methylbenzoic acid, CAS 3113-72-2) is an organic reagent used in life-science and synthetic chemistry research. It is commonly employed as a building block or intermediate in organic synthesis and analytical studies, and is supplied for research use with standard chromatographic characterization.

Pricing & Availability

1,403

Medchemexpress LLC Methyl quinoline-2-carboxylate | 19575-07-6 | MFCD00160630 | 99.4% | 187.19 g/mol | C11H9NO2 | 5 G

Methyl quinaldate (methyl quinoline-2-carboxylate) is a research-grade methyl ester of quinoline-2-carboxylic acid supplied as a solid. It is used for chemical and biological research and has reported antibacterial activity against Mycobacterium tuberculosis H37Rv (MIC 2 μg/mL).

Chemical name: methyl quinoline-2-carboxylate.
Molecular formula: C11H9NO2.
Molecular weight: 187.19 g/mol.
Purity: 99.4%.
Physical appearance: solid (powder).
Storage: powder at -20°C (up to 3 years) or 4°C (up to 2 years); in solvent at -80°C (6 months) or -20°C (1 month).
Intended use: research and screening applications (not for human use).
Biological activity: reported antibacterial activity vs Mycobacterium tuberculosis (MIC 2 μg/mL).

Pricing & Availability

1,404

Medchemexpress LLC Sodium 2-oxopropanoate-13C | 124052-04-6 | 98.9% | 111.04 g/mol | C2(13C)CH3NaO3 | 250 MG

Sodium 2-oxopropanoate-13C is the 13C-labeled form of sodium pyruvate intended for use as a metabolic tracer and reactive oxygen species (ROS) research reagent. It is supplied as a solid with confirmed isotopic enrichment and HPLC-verified chemical purity; store dry at room temperature, or in solution at -20°C to -80°C for extended storage.

13C isotopic labeling for tracer and quantitation applications.
High isotopic enrichment, approximately 99%.
High chemical purity, 98.9% by HPLC.
Solid, white to off-white appearance for easy handling.
Stable storage profile for long-term solutions at low temperatures.
For research use only.

Pricing & Availability

1,405

Medchemexpress LLC Homogentisic acid lactone | 2688-48-4 | MFCD00005857 | 99.1% | 150.13 g/mol | C8H6O3 | 250 MG

Homogentisic acid lactone is a fungal metabolite supplied as a research reagent. It exhibits fungicidal activity and is used as a substrate for measuring serum paraoxonase/arylesterase 1 (PON1) activity in biochemical assays.

Shows fungicidal activity against Fusarium graminearum.
Can be used as a substrate for serum paraoxonase/arylesterase 1 (PON1) activity assays.
High purity suitable for analytical and biochemical applications.
Well-characterized molecular properties (C8H6O3, 150.13 g/mol).
Supplied as a research-grade reagent for laboratory studies.

Pricing & Availability

1,406

Medchemexpress LLC 5,7-dichloro-[1,3]thiazolo[5,4-d]pyrimidine | 13479-88-4 | MFCD09702027 | ≥98.0% | 206.05 g/mol | C5HCl2N3S | 250 MG

5,7-Dichlorothiazolo[5,4-d]pyrimidine (CAS 13479-88-4) is a chlorinated heterocyclic building block used as an intermediate in small-molecule and medicinal chemistry synthesis. It is supplied in research-scale quantities and is offered by chemical suppliers in defined purity grades for use in route scouting and heterocycle construction.

Used as a synthetic building block for heterocycle construction and medicinal chemistry.
Molecular formula C5HCl2N3S and molecular weight 206.05 g/mol.
CAS number 13479-88-4 for unambiguous identification.
Offered in small pack sizes suitable for research (50 mg-500 mg).
Available in high-purity grades (reported ≥98% by some suppliers).
Supplied with standard documentation such as COA and SDS for quality verification.

Pricing & Availability

1,407

Medchemexpress LLC Chloro(triphenylphosphine)gold(I) | 14243-64-2 | MFCD00009588 | 99.9% | 494.71 g·mol⁻¹ | C18H15AuClP | 250 MG

Chloro(triphenylphosphine)gold(I) is a gold(I) coordination compound used as an organometallic reagent and biochemical assay reagent in research. It functions as a stable gold source for synthesis, catalysis, and preparation of gold-containing complexes, supplied as a solid for laboratory use.

High purity (≈99.9%).
Gold(I) coordination compound for organometallic synthesis and catalysis.
Solid form with molecular weight 494.71 g·mol⁻¹.
Empirical formula C18H15AuClP.
Available in small laboratory pack sizes, including 250 mg.

Pricing & Availability

1,408

Medchemexpress LLC (S)-β-Aminoisobutyric acid (hydrochloride) | 925704-45-6 | MFCD12198195 | 95.0% | 139.58 | C4H10ClNO2 | 250 MG

(S)-β-Aminoisobutyric acid hydrochloride is the S-enantiomer of β-aminoisobutyric acid, a non-proteinogenic amino acid produced during thymine and valine catabolism. Provided as the hydrochloride salt for research use, it serves as an endogenous metabolite standard and a tool in studies of metabolic enzymes and protease pathways.

High purity suitable for research applications.
Hydrochloride salt form improves solubility and stability.
Molecular formula C4H10ClNO2; molecular weight 139.58.
Storage: room temperature up to 3 years; in solvent, -80°C for 2 years or -20°C for 1 year.
Intended for biochemical and metabolic pathway research.

Pricing & Availability

1,409

Medchemexpress LLC 3-[(1S)-1-(dimethylamino)ethyl]phenol | 139306-10-8 | MFCD06656491 | 99.0% | 165.23 g/mol | C10H15NO | 250 MG

Rivastigmine metabolite (NAP 226-90) is the primary phenolic metabolite of rivastigmine and functions as an acetylcholinesterase (AChE) inhibitor. It is used as a reference standard and research reagent in studies of rivastigmine metabolism and Alzheimer's disease, supplied as a solid with high reported purity and available in multiple pack sizes including small assay-ready DMSO solutions.

High purity suitable for analytical standards and reference use.
Acts as an acetylcholinesterase inhibitor for biochemical studies.
Solid, white to off-white appearance for easy handling.
Available in multiple pack sizes, including 250 mg and larger quantities.
Offered in DMSO solution formats for assay-ready applications.

Pricing & Availability

1,410

Medchemexpress LLC 4H-furo[3,2-b]pyrrole-5-carboxylic acid | 67268-37-5 | MFCD07368660 | 99.4% | 151.12 g/mol | C7H5NO3 | 250 MG

This compound is a small-molecule research chemical that functions as an orally active and potent D-amino acid oxidase (DAAO) inhibitor. It is supplied as a solid (gray to brown), with molecular formula C7H5NO3 and molecular weight 151.12 g/mol, intended for biochemical and pharmacological research applications.

Orally active DAAO inhibitor suitable for in vitro and in vivo studies.
High purity reported at 99.44% for reliable experimental results.
Solid form, gray to brown, convenient for storage and handling.
Molecular formula C7H5NO3 and molecular weight 151.12 g/mol.
Available in small research quantities (100 mg-1 g), larger amounts available by request.

Pricing & Availability

Pyrimidines And Derivatives

Filtered Search Results

Narrow Results

Medchemexpress LLC 4-Nitrodiphenylamine | 836-30-6 | MFCD00007301 | 214.22 g/mol | C12H10N2O2 | 250 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Clopyralid | 1702-17-6 | MFCD00078655 | 97.0% | 192.00 g·mol-1 | C6H3Cl2NO2 | 250 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC 5-Aminothalidomide | 191732-76-0 | MFCD30188077 | 99.7% | 273.24 g/mol | C13H11N3O4 | 250 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC 3-Methyl-2-quinoxalinecarboxylic acid | 74003-63-7 | MFCD03840415 | 97.7% | 188.18 g/mol | C10H8N2O2 | 250 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Pseudopelletierine | 552-70-5 | 98.8% | 153.22 g/mol | C9H15NO | 250 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Methyl cinnamate | 103-26-4 | MFCD00008458 | 99.6% | 162.19 g·mol⁻¹ | C10H10O2 | 25 G Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC 5-methyl-2-nitrobenzoic acid | 3113-72-2 | MFCD00007368 | 99.9% | 181.15 g/mol | C8H7NO4 | 25 G Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Methyl quinoline-2-carboxylate | 19575-07-6 | MFCD00160630 | 99.4% | 187.19 g/mol | C11H9NO2 | 5 G Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Sodium 2-oxopropanoate-13C | 124052-04-6 | 98.9% | 111.04 g/mol | C2(13C)CH3NaO3 | 250 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Homogentisic acid lactone | 2688-48-4 | MFCD00005857 | 99.1% | 150.13 g/mol | C8H6O3 | 250 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC 5,7-dichloro-[1,3]thiazolo[5,4-d]pyrimidine | 13479-88-4 | MFCD09702027 | ≥98.0% | 206.05 g/mol | C5HCl2N3S | 250 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Chloro(triphenylphosphine)gold(I) | 14243-64-2 | MFCD00009588 | 99.9% | 494.71 g·mol⁻¹ | C18H15AuClP | 250 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC (S)-β-Aminoisobutyric acid (hydrochloride) | 925704-45-6 | MFCD12198195 | 95.0% | 139.58 | C4H10ClNO2 | 250 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC 3-[(1S)-1-(dimethylamino)ethyl]phenol | 139306-10-8 | MFCD06656491 | 99.0% | 165.23 g/mol | C10H15NO | 250 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC 4H-furo[3,2-b]pyrrole-5-carboxylic acid | 67268-37-5 | MFCD07368660 | 99.4% | 151.12 g/mol | C7H5NO3 | 250 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More