accessibility menu, dialog, popup

UserName
New Feature

You can now browse the site in English or Français.

Pyrazoles

Organic heterocyclic compounds that consists of a 5-membered ring of three carbon atoms and two adjacent nitrogen atoms with the formula: C₃H₃N₂H.
Molecular Weight (g/mol) 
  • (2)
  • (2)
  • (4)
  • (3)
  • (5)
  • (2)
  • (3)
  • (5)
  • (2)
  • (2)
  • (1)
  • (2)
  • (2)
  • (1)
  • (1)
  • (1)
  • (2)
  • (3)
  • (2)
  • (2)
Percent Purity 
  • (3)
  • (1)
  • (3)
  • (2)
  • (16)
  • (17)
  • (3)
Physical Form 
  • (1)
  • (4)
  • (1)
  • (1)
  • (3)
  • (2)
  • (2)
  • (3)
  • (5)
Quantity 
  • (11)
  • (3)
  • (4)
  • (1)
  • (9)
  • (4)
  • (14)
  • (1)

Filtered Search Results

Products from some of our suppliers do not display in filtered search results. Please clear all filters to see these products.

Narrow Results

Narrow Results

category

special offers

  • (6)

brands

  • (21)
  • (26)

Molecular Weight (g/mol)

  • (2)
  • (2)
  • (4)
  • (3)
  • (5)
  • (2)
  • (3)
  • (5)
  • (2)
  • (2)
  • (1)
  • (2)
  • (2)
  • (1)
  • (1)
  • (1)
  • (2)
  • (3)
  • (2)
  • (2)

Percent Purity

  • (3)
  • (1)
  • (3)
  • (2)
  • (16)
  • (17)
  • (3)

Physical Form

  • (1)
  • (4)
  • (1)
  • (1)
  • (3)
  • (2)
  • (2)
  • (3)
  • (5)

Quantity

  • (11)
  • (3)
  • (4)
  • (1)
  • (9)
  • (4)
  • (14)
  • (1)
Keyword Search:
1 – 15 of 23 results
1

Thermo Scientific Chemicals Allopurinol, 98%

CAS: 315-30-0 Molecular Formula: C5H4N4O Molecular Weight (g/mol): 136.11 MDL Number: MFCD00599413 InChI Key: OFCNXPDARWKPPY-UHFFFAOYSA-N Synonym: allopurinol,1h-pyrazolo 3,4-d pyrimidin-4-ol,zyloprim,zyloric,lopurin,atisuril,bleminol,caplenal,uripurinol,embarin PubChem CID: 2094 ChEBI: CHEBI:40279 IUPAC Name: 1,2-dihydropyrazolo[3,4-d]pyrimidin-4-one SMILES: O=C1N=CN=C2NNC=C12

PubChem CID 2094
CAS 315-30-0
Molecular Weight (g/mol) 136.11
ChEBI CHEBI:40279
MDL Number MFCD00599413
SMILES O=C1N=CN=C2NNC=C12
Synonym allopurinol,1h-pyrazolo 3,4-d pyrimidin-4-ol,zyloprim,zyloric,lopurin,atisuril,bleminol,caplenal,uripurinol,embarin
IUPAC Name 1,2-dihydropyrazolo[3,4-d]pyrimidin-4-one
InChI Key OFCNXPDARWKPPY-UHFFFAOYSA-N
Molecular Formula C5H4N4O
2

Indazole, 96%

CAS: 271-44-3 Molecular Formula: C7H6N2 Molecular Weight (g/mol): 118.14 InChI Key: BAXOFTOLAUCFNW-UHFFFAOYSA-N Synonym: indazole,1h-benzopyrazole,2-azaindole,isoindazole,2h-indazole,1,2-diazaindene,1,2-benzodiazole,1h-indazol,benzopyrazole,1,2-benzopyrazole PubChem CID: 9221 ChEBI: CHEBI:36669 IUPAC Name: 1H-indazole SMILES: C1=CC=C2C(=C1)C=NN2

PubChem CID 9221
CAS 271-44-3
Molecular Weight (g/mol) 118.14
ChEBI CHEBI:36669
SMILES C1=CC=C2C(=C1)C=NN2
Synonym indazole,1h-benzopyrazole,2-azaindole,isoindazole,2h-indazole,1,2-diazaindene,1,2-benzodiazole,1h-indazol,benzopyrazole,1,2-benzopyrazole
IUPAC Name 1H-indazole
InChI Key BAXOFTOLAUCFNW-UHFFFAOYSA-N
Molecular Formula C7H6N2
3

3,5-Dimethylpyrazole, 99%

CAS: 67-51-6 Molecular Formula: C5H8N2 Molecular Weight (g/mol): 96.13 MDL Number: MFCD00005243 InChI Key: SDXAWLJRERMRKF-UHFFFAOYSA-N Synonym: 3,5-dimethylpyrazole,1h-pyrazole, 3,5-dimethyl,3,5 dmp,pyrazole, 3,5-dimethyl,3,5-dwumetylopirazolu,unii-h21n865k9j,3,5-dwumetylopirazolu polish,3,5-dimethyl pyrazole,pyrazole,5-dimethyl,pubchem13256 PubChem CID: 6210 IUPAC Name: 3,5-dimethyl-1H-pyrazole SMILES: CC1=CC(C)=NN1

PubChem CID 6210
CAS 67-51-6
Molecular Weight (g/mol) 96.13
MDL Number MFCD00005243
SMILES CC1=CC(C)=NN1
Synonym 3,5-dimethylpyrazole,1h-pyrazole, 3,5-dimethyl,3,5 dmp,pyrazole, 3,5-dimethyl,3,5-dwumetylopirazolu,unii-h21n865k9j,3,5-dwumetylopirazolu polish,3,5-dimethyl pyrazole,pyrazole,5-dimethyl,pubchem13256
IUPAC Name 3,5-dimethyl-1H-pyrazole
InChI Key SDXAWLJRERMRKF-UHFFFAOYSA-N
Molecular Formula C5H8N2
4

5-Bromo-1H-indazole, 97%

CAS: 53857-57-1 Molecular Formula: C7H5BrN2 Molecular Weight (g/mol): 197.04 MDL Number: MFCD00839493,MFCD26227374 InChI Key: STVHMYNPQCLUNJ-UHFFFAOYSA-N Synonym: 5-bromoindazole,5-bromo-2h-indazole,1h-indazole, 5-bromo,5-bromo-1hindazole,chembl16425,5-brom-1h-indazol,5-bromoazaindole,5-bromo indazole,5-bromo-indazole PubChem CID: 761929 IUPAC Name: 5-bromo-1H-indazole SMILES: BrC1=CC=C2NN=CC2=C1

PubChem CID 761929
CAS 53857-57-1
Molecular Weight (g/mol) 197.04
MDL Number MFCD00839493,MFCD26227374
SMILES BrC1=CC=C2NN=CC2=C1
Synonym 5-bromoindazole,5-bromo-2h-indazole,1h-indazole, 5-bromo,5-bromo-1hindazole,chembl16425,5-brom-1h-indazol,5-bromoazaindole,5-bromo indazole,5-bromo-indazole
IUPAC Name 5-bromo-1H-indazole
InChI Key STVHMYNPQCLUNJ-UHFFFAOYSA-N
Molecular Formula C7H5BrN2
5

4-Methylpyrazole, 97%

CAS: 7554-65-6 Molecular Formula: C4H6N2 Molecular Weight (g/mol): 82.11 InChI Key: RIKMMFOAQPJVMX-UHFFFAOYSA-N Synonym: 4-methylpyrazole,fomepizole,antizol,1h-pyrazole, 4-methyl,fomepizol,4-methylpyrazol,fomepizolum,fomepizol inn-spanish,fomepizolum inn-latin,fomepizole usan:inn PubChem CID: 3406 ChEBI: CHEBI:5141 IUPAC Name: 4-methyl-1H-pyrazole SMILES: CC1=CNN=C1

PubChem CID 3406
CAS 7554-65-6
Molecular Weight (g/mol) 82.11
ChEBI CHEBI:5141
SMILES CC1=CNN=C1
Synonym 4-methylpyrazole,fomepizole,antizol,1h-pyrazole, 4-methyl,fomepizol,4-methylpyrazol,fomepizolum,fomepizol inn-spanish,fomepizolum inn-latin,fomepizole usan:inn
IUPAC Name 4-methyl-1H-pyrazole
InChI Key RIKMMFOAQPJVMX-UHFFFAOYSA-N
Molecular Formula C4H6N2
6

Bendazac, Thermo Scientific Chemicals

CAS: 20187-55-7 Molecular Formula: C16H13N2NaO3 Molecular Weight (g/mol): 304.28 InChI Key: GHFGHIKJGVMEFT-UHFFFAOYSA-M IUPAC Name: sodium 2-[(1-benzyl-1H-indazol-3-yl)oxy]acetate SMILES: [Na+].[O-]C(=O)COC1=NN(CC2=CC=CC=C2)C2=CC=CC=C12

CAS 20187-55-7
Molecular Weight (g/mol) 304.28
SMILES [Na+].[O-]C(=O)COC1=NN(CC2=CC=CC=C2)C2=CC=CC=C12
IUPAC Name sodium 2-[(1-benzyl-1H-indazol-3-yl)oxy]acetate
InChI Key GHFGHIKJGVMEFT-UHFFFAOYSA-M
Molecular Formula C16H13N2NaO3
7
Promotions Available

Pyrazole, 98%, pure

CAS: 288-13-1 Molecular Formula: C3H4N2 Molecular Weight (g/mol): 68.08 MDL Number: MFCD00005234 InChI Key: WTKZEGDFNFYCGP-UHFFFAOYSA-N Synonym: pyrazole,1,2-diazole,1h-pyrazol,pyrazol,unii-3qd5kjz7zj,3qd5kjz7zj,diazole,hpz,1-h-pyrazole,pyrazol#1 PubChem CID: 1048 ChEBI: CHEBI:17241 IUPAC Name: 1H-pyrazole SMILES: C1=CNN=C1

PubChem CID 1048
CAS 288-13-1
Molecular Weight (g/mol) 68.08
ChEBI CHEBI:17241
MDL Number MFCD00005234
SMILES C1=CNN=C1
Synonym pyrazole,1,2-diazole,1h-pyrazol,pyrazol,unii-3qd5kjz7zj,3qd5kjz7zj,diazole,hpz,1-h-pyrazole,pyrazol#1
IUPAC Name 1H-pyrazole
InChI Key WTKZEGDFNFYCGP-UHFFFAOYSA-N
Molecular Formula C3H4N2
8

Tetrakis(1-pyrazolyl)borate, potassium salt, 95%

CAS: 14782-58-2 Molecular Formula: C12H12BKN8 Molecular Weight (g/mol): 318.2 MDL Number: MFCD00800557 InChI Key: RKBGLZQVHBLUBM-UHFFFAOYSA-N Synonym: tetrakis 1-pyrazolyl borate,potassium tetrakis pyrazol-1-yloxy boranuide PubChem CID: 92043288 IUPAC Name: potassium;tetra(pyrazol-1-yloxy)boranuide SMILES: [B-](ON1C=CC=N1)(ON2C=CC=N2)(ON3C=CC=N3)ON4C=CC=N4.[K+]

PubChem CID 92043288
CAS 14782-58-2
Molecular Weight (g/mol) 318.2
MDL Number MFCD00800557
SMILES [B-](ON1C=CC=N1)(ON2C=CC=N2)(ON3C=CC=N3)ON4C=CC=N4.[K+]
Synonym tetrakis 1-pyrazolyl borate,potassium tetrakis pyrazol-1-yloxy boranuide
IUPAC Name potassium;tetra(pyrazol-1-yloxy)boranuide
InChI Key RKBGLZQVHBLUBM-UHFFFAOYSA-N
Molecular Formula C12H12BKN8
9

3-Aminopyrazole, 98%

CAS: 1820-80-0 Molecular Formula: C3H5N3 Molecular Weight (g/mol): 83.09 MDL Number: MFCD00005236 InChI Key: JVVRJMXHNUAPHW-UHFFFAOYSA-N Synonym: 3-aminopyrazole,1h-pyrazol-3-amine,1h-pyrazole-5-amine,5-aminopyrazole,1h-pyrazol-3-ylamine,3-amino-1h-pyrazole,3-aminopyrozole,5-amino-1h-pyrazole,aminopyrazole,3-pyrazolamine PubChem CID: 74561 IUPAC Name: 1H-pyrazol-5-amine SMILES: C1=C(NN=C1)N

PubChem CID 74561
CAS 1820-80-0
Molecular Weight (g/mol) 83.09
MDL Number MFCD00005236
SMILES C1=C(NN=C1)N
Synonym 3-aminopyrazole,1h-pyrazol-3-amine,1h-pyrazole-5-amine,5-aminopyrazole,1h-pyrazol-3-ylamine,3-amino-1h-pyrazole,3-aminopyrozole,5-amino-1h-pyrazole,aminopyrazole,3-pyrazolamine
IUPAC Name 1H-pyrazol-5-amine
InChI Key JVVRJMXHNUAPHW-UHFFFAOYSA-N
Molecular Formula C3H5N3
12

1H-Pyrazole, 98%

CAS: 288-13-1 Molecular Formula: C3H4N2 Molecular Weight (g/mol): 68.079 MDL Number: MFCD00005234 InChI Key: WTKZEGDFNFYCGP-UHFFFAOYSA-N Synonym: pyrazole,1,2-diazole,1h-pyrazol,pyrazol,unii-3qd5kjz7zj,3qd5kjz7zj,diazole,hpz,1-h-pyrazole,pyrazol#1 PubChem CID: 1048 ChEBI: CHEBI:17241 IUPAC Name: 1H-pyrazole SMILES: C1=CNN=C1

PubChem CID 1048
CAS 288-13-1
Molecular Weight (g/mol) 68.079
ChEBI CHEBI:17241
MDL Number MFCD00005234
SMILES C1=CNN=C1
Synonym pyrazole,1,2-diazole,1h-pyrazol,pyrazol,unii-3qd5kjz7zj,3qd5kjz7zj,diazole,hpz,1-h-pyrazole,pyrazol#1
IUPAC Name 1H-pyrazole
InChI Key WTKZEGDFNFYCGP-UHFFFAOYSA-N
Molecular Formula C3H4N2
13

4-Hydroxy-1H-pyrazolo[3,4-d]pyrimidine, 98%

CAS: 315-30-0 Molecular Formula: C5H4N4O Molecular Weight (g/mol): 136.11 MDL Number: MFCD00599413 InChI Key: OFCNXPDARWKPPY-UHFFFAOYSA-N Synonym: allopurinol,1h-pyrazolo 3,4-d pyrimidin-4-ol,zyloprim,zyloric,lopurin,atisuril,bleminol,caplenal,uripurinol,embarin PubChem CID: 2094 ChEBI: CHEBI:40279 IUPAC Name: 1,2-dihydropyrazolo[3,4-d]pyrimidin-4-one SMILES: O=C1N=CN=C2NNC=C12

PubChem CID 2094
CAS 315-30-0
Molecular Weight (g/mol) 136.11
ChEBI CHEBI:40279
MDL Number MFCD00599413
SMILES O=C1N=CN=C2NNC=C12
Synonym allopurinol,1h-pyrazolo 3,4-d pyrimidin-4-ol,zyloprim,zyloric,lopurin,atisuril,bleminol,caplenal,uripurinol,embarin
IUPAC Name 1,2-dihydropyrazolo[3,4-d]pyrimidin-4-one
InChI Key OFCNXPDARWKPPY-UHFFFAOYSA-N
Molecular Formula C5H4N4O
14

3,5-Dimethyl-1H-pyrazole-4-sulfonyl chloride, 97%

CAS: 80466-78-0 Molecular Formula: C5H7ClN2O2S Molecular Weight (g/mol): 194.63 MDL Number: MFCD04969910 InChI Key: NBGSZCQLPLYKJH-UHFFFAOYSA-N Synonym: 1h-pyrazole-4-sulfonylchloride, 3,5-dimethyl,3,5-dimethylpyrazol-4-yl chlorosulfone,1h-pyrazole-4-sulfonyl chloride, 3,5-dimethyl,pyrazole, 4-chlorosulfonyl-3,5-dimethyl,3,5-dimethyl-1h-pyrazole-4-sulfonylchloride,# PubChem CID: 594587 IUPAC Name: 3,5-dimethyl-1H-pyrazole-4-sulfonyl chloride SMILES: CC1=C(C(C)=NN1)S(Cl)(=O)=O

PubChem CID 594587
CAS 80466-78-0
Molecular Weight (g/mol) 194.63
MDL Number MFCD04969910
SMILES CC1=C(C(C)=NN1)S(Cl)(=O)=O
Synonym 1h-pyrazole-4-sulfonylchloride, 3,5-dimethyl,3,5-dimethylpyrazol-4-yl chlorosulfone,1h-pyrazole-4-sulfonyl chloride, 3,5-dimethyl,pyrazole, 4-chlorosulfonyl-3,5-dimethyl,3,5-dimethyl-1h-pyrazole-4-sulfonylchloride,#
IUPAC Name 3,5-dimethyl-1H-pyrazole-4-sulfonyl chloride
InChI Key NBGSZCQLPLYKJH-UHFFFAOYSA-N
Molecular Formula C5H7ClN2O2S
15

5-Amino-1H-indazole, 98%

CAS: 19335-11-6 Molecular Formula: C7H7N3 Molecular Weight (g/mol): 133.154 MDL Number: MFCD00037975 InChI Key: XBTOSRUBOXQWBO-UHFFFAOYSA-N Synonym: 5-aminoindazole,5-amino-1h-indazole,2h-indazol-5-amine,5-indazolamine,1h-indazole-5-amine,1h-indazol-5-ylamine,indazol-5-ylamine,1h-indazole, 5-amino,5-aminobenzopyrazole,5-amino-indazole PubChem CID: 88012 IUPAC Name: 1H-indazol-5-amine SMILES: C1=CC2=C(C=C1N)C=NN2

PubChem CID 88012
CAS 19335-11-6
Molecular Weight (g/mol) 133.154
MDL Number MFCD00037975
SMILES C1=CC2=C(C=C1N)C=NN2
Synonym 5-aminoindazole,5-amino-1h-indazole,2h-indazol-5-amine,5-indazolamine,1h-indazole-5-amine,1h-indazol-5-ylamine,indazol-5-ylamine,1h-indazole, 5-amino,5-aminobenzopyrazole,5-amino-indazole
IUPAC Name 1H-indazol-5-amine
InChI Key XBTOSRUBOXQWBO-UHFFFAOYSA-N
Molecular Formula C7H7N3