Pyrazoles

Organic heterocyclic compounds that consists of a 5-membered ring of three carbon atoms and two adjacent nitrogen atoms with the formula: C₃H₃N₂H.

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241 – 255 of 1,836 results

241

Sigma Aldrich 2-Chloro-N-ethyl-N-m-tolylacetamide

MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.

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242

CAS	930-36-9

243

Aobchem AOBCHEM

5001077880 1- 1 1-DIMETHYLETHOXY -2 3-DIM

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244

eMolecules 35344-95-7 | 1H-Pyrazole-4-carboxaldehyde | AA Blocks LLC | MFCD02179514 | 96.089 | C4H4N2O | 0.000 | O=Cc1cn[nH]c1 | 25g | 433195060

1H-Pyrazole-4-carboxaldehyde | AA Blocks LLC | 35344-95-7 | MFCD02179514 | 96.089 | C4H4N2O | 0.000 | O=Cc1cn[nH]c1 | 25g | 433195060

Pricing & Availability

245

eMolecules 5932-34-3 | ethyl 4-bromo-1H-pyrazole-3-carboxylate | Pharmablock | MFCD10697501 | 219.038 | C6H7BrN2O2 | 97.000 | CCOC(=O)c1n[nH]cc1Br | 250mg | 551208014

ethyl 4-bromo-1H-pyrazole-3-carboxylate | Pharmablock | 5932-34-3 | MFCD10697501 | 219.038 | C6H7BrN2O2 | 97.000 | CCOC(=O)c1n[nH]cc1Br | 250mg | 551208014

Pricing & Availability

246

eMolecules 5952-92-1 | 1-Methyl-1H-pyrazole-4-carboxylic acid | ChemScene | MFCD00159641 | 126.115 | C5H6N2O2 | 97.000 | Cn1cc(cn1)C(O)=O | 5g | 894453564

1-Methyl-1H-pyrazole-4-carboxylic acid | ChemScene | 5952-92-1 | MFCD00159641 | 126.115 | C5H6N2O2 | 97.000 | Cn1cc(cn1)C(O)=O | 5g | 894453564

Pricing & Availability

247

eMolecules 81190-89-8 | Methyl 4-bromo-1H-pyrazole-3-carboxylate | Ambeed | MFCD00619124 | 205.011 | C5H5BrN2O2 | 95.000 | COC(=O)c1n[nH]cc1Br | 25g | 490560771

Methyl 4-bromo-1H-pyrazole-3-carboxylate | Ambeed | 81190-89-8 | MFCD00619124 | 205.011 | C5H5BrN2O2 | 95.000 | COC(=O)c1n[nH]cc1Br | 25g | 490560771

Pricing & Availability

248

eMolecules 847818-55-7 | 1-Methyl-1H-pyrazole-4-boronic acid | Apollo Scientific | MFCD09414709 | 125.920 | C4H7BN2O2 | 95.000 | Cn1cc(cn1)B(O)O | 1g | 562437629

1-Methyl-1H-pyrazole-4-boronic acid | Apollo Scientific | 847818-55-7 | MFCD09414709 | 125.920 | C4H7BN2O2 | 95.000 | Cn1cc(cn1)B(O)O | 1g | 562437629

Pricing & Availability

249

eMolecules 57121-49-0 | 4-Ethynyl-1H-pyrazole | Acrotein ChemBio Inc. | MFCD18207413 | 92.101 | C5H4N2 | 97.000 | C#Cc1cn[nH]c1 | 5g | 570926614

4-Ethynyl-1H-pyrazole | Acrotein ChemBio Inc. | 57121-49-0 | MFCD18207413 | 92.101 | C5H4N2 | 97.000 | C#Cc1cn[nH]c1 | 5g | 570926614

Pricing & Availability

250

eMolecules 81190-89-8 | Methyl 4-bromo-1H-pyrazole-3-carboxylate | Ambeed | MFCD00619124 | 205.011 | C5H5BrN2O2 | 95.000 | COC(=O)c1n[nH]cc1Br | 5g | 490560769

Methyl 4-bromo-1H-pyrazole-3-carboxylate | Ambeed | 81190-89-8 | MFCD00619124 | 205.011 | C5H5BrN2O2 | 95.000 | COC(=O)c1n[nH]cc1Br | 5g | 490560769

Pricing & Availability

251

eMolecules 288148-34-5 | 1-Methyl-1h-pyrazole-4-sulfonyl chloride | Combi-Blocks | MFCD04968667 | 180.610 | C4H5ClN2O2S | 98.000 | Cn1cc(cn1)S(Cl)(=O)=O | 25g | 335350502

1-Methyl-1h-pyrazole-4-sulfonyl chloride | Combi-Blocks | 288148-34-5 | MFCD04968667 | 180.610 | C4H5ClN2O2S | 98.000 | Cn1cc(cn1)S(Cl)(=O)=O | 25g | 335350502

Pricing & Availability

252

eMolecules 81190-89-8 | Methyl 4-bromo-1H-pyrazole-3-carboxylate | Ambeed | MFCD00619124 | 205.011 | C5H5BrN2O2 | 95.000 | COC(=O)c1n[nH]cc1Br | 10g | 490560770

Methyl 4-bromo-1H-pyrazole-3-carboxylate | Ambeed | 81190-89-8 | MFCD00619124 | 205.011 | C5H5BrN2O2 | 95.000 | COC(=O)c1n[nH]cc1Br | 10g | 490560770

Pricing & Availability

253

eMolecules 288148-34-5 | 1-Methyl-1H-pyrazole-4-sulphonyl chloride | Apollo Scientific US - Building Blocks | MFCD04968667 | 180.610 | C4H5ClN2O2S | 95.000 | Cn1cc(cn1)S(Cl)(=O)=O | 5g | 398004070

1-Methyl-1H-pyrazole-4-sulphonyl chloride | Apollo Scientific US - Building Blocks | 288148-34-5 | MFCD04968667 | 180.610 | C4H5ClN2O2S | 95.000 | Cn1cc(cn1)S(Cl)(=O)=O | 5g | 398004070