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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1,216 – 1,230 of 9,532 results

1,216

Medchemexpress LLC 3-maleimidobenzoic acid | 17057-07-7 | MFCD00022572 | 96.3% | 217.18 g/mol | C11H7NO4 | 250 MG

3-Maleimidobenzoic acid is a maleimide-containing reagent used as a thiol-specific protein crosslinker for conjugation to cysteine residues. Supplied as a solid for research use, it is suitable for bioconjugation workflows, linker synthesis, and protein labeling where selective thiol reactivity is required.

Maleimide functional group for thiol-specific conjugation.
Forms stable thioether bonds with cysteine residues.
Solid reagent soluble in DMSO for reaction setup.
High purity (96.3%) for reproducible results.
Applicable to protein labeling, antibody-drug conjugates, and linker chemistry.

Pricing & Availability

1,217

eMolecules 1282530-99-7 | 1-(Methanesulfonylmethyl)-4-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole | Combi-Blocks, Inc. | MFCD22380827 | 286.150 | C11H19BN2O4S | 98.000 | CC1(C)OB(OC1(C)C)c1cnn(CS(C)(=O)=O)c1 | 250mg | 603153649

1-(Methanesulfonylmethyl)-4-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole | Combi-Blocks, Inc. | 1282530-99-7 | MFCD22380827 | 286.150 | C11H19BN2O4S | 98.000 | CC1(C)OB(OC1(C)C)c1cnn(CS(C)(=O)=O)c1 | 250mg | 603153649

Pricing & Availability

1,218

eMolecules 29086-41-7 | 1,1-Bis(bromomethyl)cyclopropane | AA Blocks LLC | MFCD18836655 | 227.927 | C5H8Br2 | 0.000 | BrCC1(CBr)CC1 | 250mg | 436001158

1,1-Bis(bromomethyl)cyclopropane | AA Blocks LLC | 29086-41-7 | MFCD18836655 | 227.927 | C5H8Br2 | 0.000 | BrCC1(CBr)CC1 | 250mg | 436001158

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1,219

Medchemexpress LLC Bix-01294 (trihydrochloride) | 1392399-03-9 | MFCD16618384 | 99.7% | 600.02 g/mol | C28H41Cl3N6O2 | 250 MG

BIX-01294 trihydrochloride is a reversible, selective inhibitor of the histone methyltransferases G9a and GLP used for epigenetic research. It reduces H3K9 dimethylation and modulates gene expression and cell behavior in biochemical and cell-based assays; supplied as a light yellow solid with high reported purity.

Reversible, selective inhibitor of G9a and GLP.
Active in biochemical and cell assays at low micromolar concentrations.
Reduces H3K9me2 levels and affects gene expression.
High reported purity (>99%).
Soluble in water and DMSO at stated concentrations.
Powder stable at 4°C; solutions stable with frozen storage per guidance.

Pricing & Availability

1,220

Medchemexpress LLC Ethyl 4-isocyanatobenzoate-d4 | 1219802-91-1 | 98.0% | 195.21 g/mol | C10H5D4NO3 | 10 MG

Ethyl 4-isocyanatobenzoate-d4 is a deuterium-labeled analog of ethyl 4-isocyanatobenzoate supplied for use as a stable isotope standard and as a synthetic building block in organic synthesis and analytical workflows. Supplied as a white to off-white solid with high isotopic enrichment and analytical purity.

Deuterium-labeled standard for analytical quantitation.
High isotopic enrichment (99.7%).
High purity (98.0% by GC).
Stable solid form suitable for long-term storage.
Recommended storage: powder at -20°C; in solvent at -80°C for extended periods.
Handle with appropriate respiratory and skin protection due to irritation hazards.

Pricing & Availability

1,221

eMolecules 771-81-3 | 4-Amino-2-(methylthio)pyrimidine-5-carboxylic acid | 5g

WuXi ChemSupply | 4-Amino-2-(methylthio)pyrimidine-5-carboxylic acid | 5g | 599167048 | LN00339004 | 95.000 | 771-81-3 | 185.200 | C6H7N3O2S

If you are unable to find the chemical you are looking for, make sure you are logged into your fishersci.com account and click on the following link:
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1,222

Medchemexpress LLC (S)-methyl 2-(6-hydroxy-2,3-dihydrobenzofuran-3-yl)acetate | 1000414-38-9 | 98.8% | C11H12O4 | 250 MG

(S)-methyl 2-(6-hydroxy-2,3-dihydrobenzofuran-3-yl)acetate is a chemical compound provided by MedChemExpress, catalog number HY-76785. Primarily used for laboratory research and the manufacture of substances, it is supplied as a solid with a purity of 98.8%.

For laboratory chemicals and substance manufacturing.
Supplied as a solid.
Purity of 98.8%.
Powder storage: -20°C for 3 years, 4°C for 2 years.
In-solvent storage: -80°C for 6 months, -20°C for 1 month.
Room temperature shipping for less than 2 weeks.
Harmful if swallowed, causes skin and serious eye irritation.

Pricing & Availability

1,223

Medchemexpress LLC 1-Pyrenamin 250mg

1-Pyrenamin (1-Pyrenamine purified by sublimation) is utilized to create highly efficient and stable catalyst supports in direct methanol fuel cells through noncovalent functionalization of graphite nanosheets[1]

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1,224

Medchemexpress LLC Histone H4 Human/Xe 100ug

Histone H4 proteins are core components of nucleosomes which compact DNA into chromatin and regulate DNA accessibility during cellular processes Histones including H4 play critical roles in transcriptional regulation DNA repair replication and chromosome stability Histone H4 Protein Human/Xenopus laevis is the recombinant Xenopus laevis-derived Histone H4 protein expressed by E coli with tag free

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1,225

eMolecules 19311-37-6 | 3-Bromotetrahydrofuran | Ambeed | MFCD09056777 | 151.003 | C4H7BrO | 95.000 | BrC1CCOC1 | 250mg | 525877285

3-Bromotetrahydrofuran | Ambeed | 19311-37-6 | MFCD09056777 | 151.003 | C4H7BrO | 95.000 | BrC1CCOC1 | 250mg | 525877285

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1,226

Medchemexpress LLC Mexiletine | 31828-71-4 | 99.9% | 250 MG

Mexiletine is a Class IB antiarrhythmic agent and sodium-channel blocker supplied as a research-grade chemical for laboratory use. It is used in cardiovascular and neurological research to study sodium-channel inhibition and antiarrhythmic effects; not for human therapeutic use.

Class IB antiarrhythmic and sodium-channel blocker.
Research-grade chemical for laboratory use.
Purity 99.9% (as supplied).
Molecular formula C11H17NO; molecular weight 179.26 g/mol.
Available as a 250 mg pack suitable for small-scale studies.

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1,227

Medchemexpress LLC HY-128784 5mg Medchemexpress, PK11007 CAS:874146-69-7 Purity:>98%

Medchemexpress, HY-128784 5mg PK11007 CAS:874146-69-7 PK11007 is a mild thiol alkylator with anticancer activity. PK11007 stabilizes p53 via selective alkylation of two surface-exposed cysteines without compromising its DNA binding activity. PK11007 induces mutant p53 cancer cell death by increasing reactive oxygen species (ROS) levels. Purity:>98% Medchemexpress has over 10000 novel life-science reagents, reference compounds, APIs and natural compounds for laboratory and scientific use. Other quantity can also be offered.

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1,228

Medchemexpress LLC Benzoic acid, 4-formyl-, methyl ester | 1571-08-0 | 99.99% | C9H8O3 | 25 G

Methyl 4-formylbenzoate is an intermediate used for the synthesis of chalcone amide α-glucosidase inhibitors. It has a molecular weight of 164.16 and a chemical formula of C9H8O3, appearing as a white to off-white solid.

Purity of 99.99%.
Intended for research purposes only.
Useful as an intermediate for synthesizing chalcone amide α-glucosidase inhibitors.

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1,229

Medchemexpress LLC Profenofos | 41198-08-7 | 96.1% | 250 MG

Profenofos is an insecticide utilized on field, vegetable, and fruit crops. It functions as an acetylcholinesterase (AChE) inhibitor and possesses neurotoxicity. It is for research use only.

Utilized on field, vegetable, and fruit crops.
Functions as an acetylcholinesterase (AChE) inhibitor.
Possesses neurotoxicity.
Exhibits cytotoxicity in human peripheral blood lymphocytes.
Induces chromosome aberrations.
Causes single-stranded DNA breakage.
Causes toxicity in mouse liver, spleen, brain, and kidney.

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1,230

Medchemexpress LLC Norethindrone | 68-22-4 | 99.21% | 250 MG

Norethindrone is a female progestin approved by the FDA for the treatment of endometriosis, uterine bleeding caused by abnormal hormone levels, and secondary amenorrhea. It is for research use only and not for sale to patients.

Approved by FDA for the treatment of endometriosis, uterine bleeding, and secondary amenorrhea
Acts as a female progestin
Agonistic activity for modulation of human progesterone receptor (hPR-B)
Cost-effective alternative for symptomatic endometriosis
Well-tolerated and effective for managing pain and bleeding in all stages of endometriosis
Shows low acute toxicity in experimental animals
Inhibits incorporation of palmitate and glycerol into triglycerides of isolated hepatocytes

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Pyrimidines And Derivatives

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Medchemexpress LLC 3-maleimidobenzoic acid | 17057-07-7 | MFCD00022572 | 96.3% | 217.18 g/mol | C11H7NO4 | 250 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Bix-01294 (trihydrochloride) | 1392399-03-9 | MFCD16618384 | 99.7% | 600.02 g/mol | C28H41Cl3N6O2 | 250 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Ethyl 4-isocyanatobenzoate-d4 | 1219802-91-1 | 98.0% | 195.21 g/mol | C10H5D4NO3 | 10 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC (S)-methyl 2-(6-hydroxy-2,3-dihydrobenzofuran-3-yl)acetate | 1000414-38-9 | 98.8% | C11H12O4 | 250 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC 1-Pyrenamin 250mg Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Histone H4 Human/Xe 100ug Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Mexiletine | 31828-71-4 | 99.9% | 250 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC HY-128784 5mg Medchemexpress, PK11007 CAS:874146-69-7 Purity:>98% Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Benzoic acid, 4-formyl-, methyl ester | 1571-08-0 | 99.99% | C9H8O3 | 25 G Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Profenofos | 41198-08-7 | 96.1% | 250 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Norethindrone | 68-22-4 | 99.21% | 250 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More