Pyrazoles

Medchemexpress LLC 1H-pyrazole, 1-(methyl-d3)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- | 1022151-50-3 | ≥98.0% | 211.08 g/mol | C10H14D3BN2O2 | 100 MG

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1-Methyl-1H-pyrazole-4-boronic acid pinacol ester-d3 is a deuterium-labeled boronic ester supplied as a high-purity research reagent for use as an isotope-labeled building block, tracer, and analytical standard in synthetic and analytical chemistry. It is intended for method development, quantitative analysis, and incorporation into cross-coupling workflows.

• Deuterium-labeled (d3) boronic ester suitable as tracer and internal standard.
• Purity ≥98.0%.
• Molecular formula C10H14D3BN2O2; molecular weight 211.08 g/mol.
• Available in small-scale packages such as 100 mg.
• Supplied with COA and SDS for batch-specific documentation.
• Functional pinacol boronate enables Suzuki-Miyaura cross-coupling.
• Suitable as internal standard for NMR, GC-MS, and LC-MS method development.

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eMolecules​ 35344-95-7 | Pyrazole-4-carboxaldehyde | Combi-Blocks | MFCD02179514 | 96.089 | C4H4N2O | 97.000 | O=Cc1cn[nH]c1 | 10g | 267161778

Pyrazole-4-carboxaldehyde | Combi-Blocks | 35344-95-7 | MFCD02179514 | 96.089 | C4H4N2O | 97.000 | O=Cc1cn[nH]c1 | 10g | 267161778

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eMolecules​ 175915-12-5 | N-[(5-Methyl-2-furyl)methyl]ethanamine hydrochloride | Combi-Blocks | MFCD18071409 | 175.660 | C8H14ClNO | 95.000 | Cl.CCNCc1ccc(C)o1 | 1g | 482931355

N-[(5-Methyl-2-furyl)methyl]ethanamine hydrochloride | Combi-Blocks | 175915-12-5 | MFCD18071409 | 175.660 | C8H14ClNO | 95.000 | Cl.CCNCc1ccc(C)o1 | 1g | 482931355

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eMolecules​ 20187-55-7 | 2-[(1-Benzyl-1H-indazol-3-yl)oxy]acetic acid | Combi-Blocks | MFCD00866158 | 282.299 | C16H14N2O3 | 98.000 | OC(=O)COc1nn(Cc2ccccc2)c2ccccc12 | 1g | 205389717

2-[(1-Benzyl-1H-indazol-3-yl)oxy]acetic acid | Combi-Blocks | 20187-55-7 | MFCD00866158 | 282.299 | C16H14N2O3 | 98.000 | OC(=O)COc1nn(Cc2ccccc2)c2ccccc12 | 1g | 205389717

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Medchemexpress LLC 1,3,5-Trimethylpyrazole | 1072-91-9 | MFCD00015536 | 500 MG

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1,3,5-Trimethylpyrazole is a compound primarily used for chemical synthesis.

• High purity of 99.91%
• Molecular weight of 110.16
• Chemical formula C6H10N2
• Appearance as a solid below 38°C and liquid above 41°C
• Colorless to off-white appearance
• Soluble in DMSO and H2O at 100 mg/mL, requiring ultrasonic for dissolution
• Multiple in vivo dissolution protocols available, including those with DMSO, PEG300, Tween-80, Saline, SBE-β-CD, and Corn Oil
• Long-term storage recommendations: -20°C for 3 years, 4°C for 2 years for pure form; -80°C for 6 months, -20°C for 1 month for in solvent

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Medchemexpress LLC RuvC E.coli His-SU 10ug

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Recombinant RuvC protein is an E. coli-expressed endonuclease that resolves Holliday junctions during homologous recombination and DNA repair. Supplied lyophilized with N-terminal SUMO and 6xHis affinity tags, it is formulated for biochemical and structural studies, with low endotoxin and high purity to support enzymatic assays.

• E. coli expression for bacterial protein folding.
• N-terminal SUMO and 6xHis tags for streamlined purification.
• Greater than 90% purity as determined by reducing SDS-PAGE.
• Lyophilized formulation with trehalose for enhanced stability.
• Endotoxin <1 EU/μg to support sensitive assays.
• Recommended aliquoting and storage at -20°C or -80°C to preserve activity.

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eMolecules​ 57121-49-0 | 4-Ethynyl-1H-pyrazole | ChemScene | MFCD18207413 | 92.101 | C5H4N2 | 97.000 | C#Cc1cn[nH]c1 | 1g | 536781615

4-Ethynyl-1H-pyrazole | ChemScene | 57121-49-0 | MFCD18207413 | 92.101 | C5H4N2 | 97.000 | C#Cc1cn[nH]c1 | 1g | 536781615

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eMolecules​ 288-13-1 | PYRAZOLE | AstaTech | MFCD00005234 | 68.079 | C3H4N2 | 95.000 | c1cn[nH]c1 | 25g | 718057892

PYRAZOLE | AstaTech | 288-13-1 | MFCD00005234 | 68.079 | C3H4N2 | 95.000 | c1cn[nH]c1 | 25g | 718057892

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eMolecules​ 87551-45-9 | 1H-pyrazole-4-carbohydrazide | ChemBridge - BB | MFCD12139713 | 126.119 | C4H6N4O | 95.000 | NNC(=O)c1cn[nH]c1 | 1g | 331147195

1H-pyrazole-4-carbohydrazide | ChemBridge - BB | 87551-45-9 | MFCD12139713 | 126.119 | C4H6N4O | 95.000 | NNC(=O)c1cn[nH]c1 | 1g | 331147195

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eMolecules​ 2075-45-8 | 4-Bromo-1H-pyrazole | ACINTS | MFCD00075602 | 146.975 | C3H3BrN2Brc1cn[nH]c1 | 10g | 454889551

4-Bromo-1H-pyrazole | ACINTS | 2075-45-8 | MFCD00075602 | 146.975 | C3H3BrN2Brc1cn[nH]c1 | 10g | 454889551

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eMolecules​ 35344-95-7 | 1H-PYRAZOLE-4-CARBALDEHYDE | AstaTech | MFCD02179514 | 96.089 | C4H4N2O | 95.000 | O=Cc1cn[nH]c1 | 5g | 233617270

1H-PYRAZOLE-4-CARBALDEHYDE | AstaTech | 35344-95-7 | MFCD02179514 | 96.089 | C4H4N2O | 95.000 | O=Cc1cn[nH]c1 | 5g | 233617270

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eMolecules​ 35344-95-7 | 1H-Pyrazole-4-carbaldehyde | ChemScene | MFCD02179514 | 96.089 | C4H4N2O | 96.000 | O=Cc1cn[nH]c1 | 5g | 536861610

1H-Pyrazole-4-carbaldehyde | ChemScene | 35344-95-7 | MFCD02179514 | 96.089 | C4H4N2O | 96.000 | O=Cc1cn[nH]c1 | 5g | 536861610

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eMolecules​ 35344-95-7 | 1H-Pyrazole-4-carboxaldehyde | AA Blocks LLC | MFCD02179514 | 96.089 | C4H4N2O | 0.000 | O=Cc1cn[nH]c1 | 5g | 410168240

1H-Pyrazole-4-carboxaldehyde | AA Blocks LLC | 35344-95-7 | MFCD02179514 | 96.089 | C4H4N2O | 0.000 | O=Cc1cn[nH]c1 | 5g | 410168240

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eMolecules​ 847818-55-7 | 1-Methyl-1H-pyrazole-4-boronic acid | Oakwood Chemicals | MFCD09414709 | 125.920 | C4H7BN2O2 | 0.000 | Cn1cc(cn1)B(O)O | 250mg | 480136357

1-Methyl-1H-pyrazole-4-boronic acid | Oakwood Chemicals | 847818-55-7 | MFCD09414709 | 125.920 | C4H7BN2O2 | 0.000 | Cn1cc(cn1)B(O)O | 250mg | 480136357

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eMolecules​ 57121-49-0 | 4-Ethynyl-1H-pyrazole | Ambeed | MFCD18207413 | 92.101 | C5H4N2 | 98.000 | C#Cc1cn[nH]c1 | 1g | 624121388

4-Ethynyl-1H-pyrazole | Ambeed | 57121-49-0 | MFCD18207413 | 92.101 | C5H4N2 | 98.000 | C#Cc1cn[nH]c1 | 1g | 624121388

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