accessibility menu, dialog, popup

UserName

Azoles

Organic compounds that consist of five-membered heterocyclic molecules containing a nitrogen atom and at least one other non-carbon atom as part of the ring.
Thiazoles (253)
Imidazoles (124)
Isoxazoles (94)
Pyrazoles (69)
Oxazoles (49)
Thiadiazoles (25)
Triazoles (25)
Oxadiazoles (6)

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

Selected Filters

Clear all

Keyword Search

Acids

Narrow Results

Narrow Results

No results found within this category. Try removing some selected filters and try again.

category

brands

  • (2)
  • (2)
  • (100)
  • (286)
  • (254)
  • (1)

special programs

  • (2)

Molecular Weight (g/mol)

  • (1)
  • (2)
  • (5)
  • (3)
  • (5)
  • (3)
  • (2)
Show all

Quantity

  • (1)
  • (244)
  • (42)
  • (16)
  • (2)
  • (1)
  • (4)
Show all

Percent Purity

  • (1)
  • (2)
  • (1)
  • (3)
  • (1)
  • (10)
  • (1)
Show all

Physical Form

  • (2)
  • (1)
  • (36)
  • (1)
  • (4)
  • (4)
  • (6)
Show all

Boiling Point

  • (2)
  • (3)
  • (3)
  • (2)
  • (2)
  • (3)
  • (2)
Show all

Grade

  • (2)
  • (7)
1 – 15 of 304 results
1

Urocanic acid, 98%

CAS: 104-98-3 Molecular Formula: C6H6N2O2 Molecular Weight (g/mol): 138.13 MDL Number: MFCD00005203 InChI Key: LOIYMIARKYCTBW-UPHRSURJSA-N Synonym: urocanic acid,4-imidazoleacrylic acid,trans-urocanic acid,urocaninic acid,imidazoleacrylic acid,5-imidazoleacrylic acid,urocanate,imidazole-4-acrylic acid,2e-3-1h-imidazol-4-yl acrylic acid,3-1h-imidazol-4-yl-2-propenoic acid PubChem CID: 1549103 ChEBI: CHEBI:30818 IUPAC Name: (Z)-3-(1H-imidazol-5-yl)prop-2-enoic acid SMILES: C1=C(NC=N1)C=CC(=O)O

PubChem CID 1549103
CAS 104-98-3
Molecular Weight (g/mol) 138.13
ChEBI CHEBI:30818
MDL Number MFCD00005203
SMILES C1=C(NC=N1)C=CC(=O)O
Synonym urocanic acid,4-imidazoleacrylic acid,trans-urocanic acid,urocaninic acid,imidazoleacrylic acid,5-imidazoleacrylic acid,urocanate,imidazole-4-acrylic acid,2e-3-1h-imidazol-4-yl acrylic acid,3-1h-imidazol-4-yl-2-propenoic acid
IUPAC Name (Z)-3-(1H-imidazol-5-yl)prop-2-enoic acid
InChI Key LOIYMIARKYCTBW-UPHRSURJSA-N
Molecular Formula C6H6N2O2
2

Nalidixic acid sodium salt

CAS: 5-8-3374 Molecular Formula: C12H11N2NaO3 Molecular Weight (g/mol): 254.22 InChI Key: ROKRAUFZFDQWLE-UHFFFAOYSA-M IUPAC Name: sodium 1-ethyl-7-methyl-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylate SMILES: [Na+].CCN1C=C(C([O-])=O)C(=O)C2=CC=C(C)N=C12

CAS 5-8-3374
Molecular Weight (g/mol) 254.22
SMILES [Na+].CCN1C=C(C([O-])=O)C(=O)C2=CC=C(C)N=C12
IUPAC Name sodium 1-ethyl-7-methyl-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylate
InChI Key ROKRAUFZFDQWLE-UHFFFAOYSA-M
Molecular Formula C12H11N2NaO3
3

5-Thiazolecarboxylic acid, 98%

CAS: 14527-41-4 Molecular Formula: C4H3NO2S Molecular Weight (g/mol): 129.13 MDL Number: MFCD03428539 InChI Key: YZVFSQQHQPPKNX-UHFFFAOYSA-N Synonym: thiazole-5-carboxylic acid,5-thiazolecarboxylic acid,thiazole-5-carboxylicacid,pubchem14533,acmc-209cuh,5-thiazole carboxylic acid,thiazole 5-carboxylic acid,ksc177g9t PubChem CID: 84494 IUPAC Name: 1,3-thiazole-5-carboxylic acid SMILES: OC(=O)C1=CN=CS1

PubChem CID 84494
CAS 14527-41-4
Molecular Weight (g/mol) 129.13
MDL Number MFCD03428539
SMILES OC(=O)C1=CN=CS1
Synonym thiazole-5-carboxylic acid,5-thiazolecarboxylic acid,thiazole-5-carboxylicacid,pubchem14533,acmc-209cuh,5-thiazole carboxylic acid,thiazole 5-carboxylic acid,ksc177g9t
IUPAC Name 1,3-thiazole-5-carboxylic acid
InChI Key YZVFSQQHQPPKNX-UHFFFAOYSA-N
Molecular Formula C4H3NO2S
4

4-Thiazolecarboxylic acid, 97%

CAS: 3973-08-8 Molecular Formula: C4H3NO2S Molecular Weight (g/mol): 129.14 ChEBI: CHEBI:46230

CAS 3973-08-8
Molecular Weight (g/mol) 129.14
ChEBI CHEBI:46230
Molecular Formula C4H3NO2S
5

4,5-Imidazoledicarboxylic acid, 97%

CAS: 570-22-9 Molecular Formula: C5H4N2O4 Molecular Weight (g/mol): 156.10 MDL Number: MFCD00005200 InChI Key: ZEVWQFWTGHFIDH-UHFFFAOYSA-N Synonym: 4,5-imidazoledicarboxylic acid,imidazole-4,5-dicarboxylic acid,glyoxalinedicarboxylic acid,4,5-dicarboxyimidazole,4,5-imidazoledicarboxylate,glycoxalinedicarboxylic acid,alpha-beta-imidazolecarboxylic acid,alpha,beta-imidazoledicarboxylic acid,4.5-imidazoledicarboxylic acid,4,5-imidazole dicarboxylic acid PubChem CID: 68442 IUPAC Name: 1H-imidazole-4,5-dicarboxylic acid SMILES: OC(=O)C1=C(N=CN1)C(O)=O

PubChem CID 68442
CAS 570-22-9
Molecular Weight (g/mol) 156.10
MDL Number MFCD00005200
SMILES OC(=O)C1=C(N=CN1)C(O)=O
Synonym 4,5-imidazoledicarboxylic acid,imidazole-4,5-dicarboxylic acid,glyoxalinedicarboxylic acid,4,5-dicarboxyimidazole,4,5-imidazoledicarboxylate,glycoxalinedicarboxylic acid,alpha-beta-imidazolecarboxylic acid,alpha,beta-imidazoledicarboxylic acid,4.5-imidazoledicarboxylic acid,4,5-imidazole dicarboxylic acid
IUPAC Name 1H-imidazole-4,5-dicarboxylic acid
InChI Key ZEVWQFWTGHFIDH-UHFFFAOYSA-N
Molecular Formula C5H4N2O4
6

Imidazole-4-carboxylic acid, 98%

CAS: 1072-84-0 Molecular Formula: C4H4N2O2 Molecular Weight (g/mol): 112.09 MDL Number: MFCD00082203 InChI Key: NKWCGTOZTHZDHB-UHFFFAOYSA-N Synonym: 1h-imidazole-4-carboxylic acid,4-imidazolecarboxylic acid,imidazole-4-carboxylic acid,3h-imidazole-4-carboxylic acid,4-carboxyimidazole,unii-ae82z8u4gj,imidazole-5-carboxylic acid,4-imidazole carboxylic acid,ae82z8u4gj,4 5-imidazolecarboxylic acid PubChem CID: 14080 IUPAC Name: 1H-imidazole-5-carboxylic acid SMILES: OC(=O)C1=CN=CN1

PubChem CID 14080
CAS 1072-84-0
Molecular Weight (g/mol) 112.09
MDL Number MFCD00082203
SMILES OC(=O)C1=CN=CN1
Synonym 1h-imidazole-4-carboxylic acid,4-imidazolecarboxylic acid,imidazole-4-carboxylic acid,3h-imidazole-4-carboxylic acid,4-carboxyimidazole,unii-ae82z8u4gj,imidazole-5-carboxylic acid,4-imidazole carboxylic acid,ae82z8u4gj,4 5-imidazolecarboxylic acid
IUPAC Name 1H-imidazole-5-carboxylic acid
InChI Key NKWCGTOZTHZDHB-UHFFFAOYSA-N
Molecular Formula C4H4N2O2
7

4-Imidazoleacetic acid hydrochloride, 98%

CAS: 3251-69-2 Molecular Formula: C5H7ClN2O2 Molecular Weight (g/mol): 162.57 MDL Number: MFCD00012698 InChI Key: MWHLCFYPFGFBQO-UHFFFAOYSA-N Synonym: 4-imidazoleacetic acid hydrochloride,2-1h-imidazol-5-yl acetic acid hydrochloride,imidazole-4-acetic acid hydrochloride,2-1h-imidazol-4-yl acetic acid hydrochloride,4-imidazoleacetic acid hcl,imidazoleacetic acid hydrochloride,unii-et7a74roao,4-imidazoleaceticacidhydrochloride,i4aa,et7a74roao PubChem CID: 145685 IUPAC Name: 2-(1H-imidazol-5-yl)acetic acid;hydrochloride SMILES: Cl.OC(=O)CC1=CN=CN1

PubChem CID 145685
CAS 3251-69-2
Molecular Weight (g/mol) 162.57
MDL Number MFCD00012698
SMILES Cl.OC(=O)CC1=CN=CN1
Synonym 4-imidazoleacetic acid hydrochloride,2-1h-imidazol-5-yl acetic acid hydrochloride,imidazole-4-acetic acid hydrochloride,2-1h-imidazol-4-yl acetic acid hydrochloride,4-imidazoleacetic acid hcl,imidazoleacetic acid hydrochloride,unii-et7a74roao,4-imidazoleaceticacidhydrochloride,i4aa,et7a74roao
IUPAC Name 2-(1H-imidazol-5-yl)acetic acid;hydrochloride
InChI Key MWHLCFYPFGFBQO-UHFFFAOYSA-N
Molecular Formula C5H7ClN2O2
8

Isoxazole-5-carboxylic acid, 98%

CAS: 21169-71-1 Molecular Formula: C4H3NO3 Molecular Weight (g/mol): 113.072 MDL Number: MFCD00156151 InChI Key: MIIQJAUWHSUTIT-UHFFFAOYSA-N Synonym: isoxazole-5-carboxylic acid,5-isoxazolecarboxylic acid,isoxazole-5-carboxylicacid,5-carboxyisoxazole,pubchem8643,isoxazole-5-carboxylic,5-carboxy-1,2-oxazole,isoxazole 5-carboxylic acid,ksc207s2h PubChem CID: 2060599 IUPAC Name: 1,2-oxazole-5-carboxylic acid SMILES: C1=C(ON=C1)C(=O)O

PubChem CID 2060599
CAS 21169-71-1
Molecular Weight (g/mol) 113.072
MDL Number MFCD00156151
SMILES C1=C(ON=C1)C(=O)O
Synonym isoxazole-5-carboxylic acid,5-isoxazolecarboxylic acid,isoxazole-5-carboxylicacid,5-carboxyisoxazole,pubchem8643,isoxazole-5-carboxylic,5-carboxy-1,2-oxazole,isoxazole 5-carboxylic acid,ksc207s2h
IUPAC Name 1,2-oxazole-5-carboxylic acid
InChI Key MIIQJAUWHSUTIT-UHFFFAOYSA-N
Molecular Formula C4H3NO3
9

Thiazole-2-carboxylic acid, 95%

CAS: 14190-59-1 Molecular Formula: C4H3NO2S Molecular Weight (g/mol): 129.133 MDL Number: MFCD02094169 InChI Key: IJVLVRYLIMQVDD-UHFFFAOYSA-N Synonym: thiazole-2-carboxylic acid,2-thiazolecarboxylic acid,thiazole-2-carboxylicacid,2-carboxy-1,3-thiazole,thiazolecarboxylic acid,pubchem16257,thiazole carboxylic acid,2-carboxythiazole,acmc-209cn5 PubChem CID: 2762733 IUPAC Name: 1,3-thiazole-2-carboxylic acid SMILES: C1=CSC(=N1)C(=O)O

PubChem CID 2762733
CAS 14190-59-1
Molecular Weight (g/mol) 129.133
MDL Number MFCD02094169
SMILES C1=CSC(=N1)C(=O)O
Synonym thiazole-2-carboxylic acid,2-thiazolecarboxylic acid,thiazole-2-carboxylicacid,2-carboxy-1,3-thiazole,thiazolecarboxylic acid,pubchem16257,thiazole carboxylic acid,2-carboxythiazole,acmc-209cn5
IUPAC Name 1,3-thiazole-2-carboxylic acid
InChI Key IJVLVRYLIMQVDD-UHFFFAOYSA-N
Molecular Formula C4H3NO2S
10

Isoxazole-3-carboxylic acid, 97%

CAS: 3209-71-0 Molecular Formula: C4H3NO3 Molecular Weight (g/mol): 113.07 MDL Number: MFCD06738796 InChI Key: UXYRXGFUANQKTA-UHFFFAOYSA-N Synonym: 3-isoxazolecarboxylic acid,isoxazole-3-carboxylic acid,isoxazole-3-carboxylicacid,3-isoxazolecarboxylicacid,3-carboxyisoxazole,isoxazole-3-carboxylic,pubchem12341,acmc-209hqw,ksc222a3r,aronis24546 PubChem CID: 11286453 IUPAC Name: 1,2-oxazole-3-carboxylic acid SMILES: OC(=O)C1=NOC=C1

PubChem CID 11286453
CAS 3209-71-0
Molecular Weight (g/mol) 113.07
MDL Number MFCD06738796
SMILES OC(=O)C1=NOC=C1
Synonym 3-isoxazolecarboxylic acid,isoxazole-3-carboxylic acid,isoxazole-3-carboxylicacid,3-isoxazolecarboxylicacid,3-carboxyisoxazole,isoxazole-3-carboxylic,pubchem12341,acmc-209hqw,ksc222a3r,aronis24546
IUPAC Name 1,2-oxazole-3-carboxylic acid
InChI Key UXYRXGFUANQKTA-UHFFFAOYSA-N
Molecular Formula C4H3NO3
11

Imidazole-4-acetic acid monohydrochloride, 97%

CAS: 3251-69-2 Molecular Formula: C5H7ClN2O2 Molecular Weight (g/mol): 162.57 MDL Number: MFCD00012698 InChI Key: MWHLCFYPFGFBQO-UHFFFAOYSA-N Synonym: 4-imidazoleacetic acid hydrochloride,2-1h-imidazol-5-yl acetic acid hydrochloride,imidazole-4-acetic acid hydrochloride,2-1h-imidazol-4-yl acetic acid hydrochloride,4-imidazoleacetic acid hcl,imidazoleacetic acid hydrochloride,unii-et7a74roao,4-imidazoleaceticacidhydrochloride,i4aa,et7a74roao PubChem CID: 145685 IUPAC Name: 2-(1H-imidazol-5-yl)acetic acid;hydrochloride SMILES: Cl.OC(=O)CC1=CN=CN1

PubChem CID 145685
CAS 3251-69-2
Molecular Weight (g/mol) 162.57
MDL Number MFCD00012698
SMILES Cl.OC(=O)CC1=CN=CN1
Synonym 4-imidazoleacetic acid hydrochloride,2-1h-imidazol-5-yl acetic acid hydrochloride,imidazole-4-acetic acid hydrochloride,2-1h-imidazol-4-yl acetic acid hydrochloride,4-imidazoleacetic acid hcl,imidazoleacetic acid hydrochloride,unii-et7a74roao,4-imidazoleaceticacidhydrochloride,i4aa,et7a74roao
IUPAC Name 2-(1H-imidazol-5-yl)acetic acid;hydrochloride
InChI Key MWHLCFYPFGFBQO-UHFFFAOYSA-N
Molecular Formula C5H7ClN2O2
12

2-Phenylbenzimidazole-5-sulfonic acid, 98%

CAS: 27503-81-7 Molecular Formula: C13H10N2O3S Molecular Weight (g/mol): 274.29 MDL Number: MFCD00053007 InChI Key: UVCJGUGAGLDPAA-UHFFFAOYSA-N Synonym: ensulizole,2-phenylbenzimidazole-5-sulfonic acid,phenylbenzimidazole sulfonic acid,2-phenyl-1h-benzo d imidazole-5-sulfonic acid,2-phenyl-1h-benzo d imidazole-6-sulfonic acid,1h-benzimidazole-5-sulfonic acid, 2-phenyl,unii-9yq9di1w42,2-phenyl-1h-benzimidazole-5-sulfonic acid,parsol hs,2-phenyl-5-benzimidazolesulfonic acid PubChem CID: 33919 IUPAC Name: 2-phenyl-3H-benzimidazole-5-sulfonic acid SMILES: OS(=O)(=O)C1=CC=C2N=C(NC2=C1)C1=CC=CC=C1

PubChem CID 33919
CAS 27503-81-7
Molecular Weight (g/mol) 274.29
MDL Number MFCD00053007
SMILES OS(=O)(=O)C1=CC=C2N=C(NC2=C1)C1=CC=CC=C1
Synonym ensulizole,2-phenylbenzimidazole-5-sulfonic acid,phenylbenzimidazole sulfonic acid,2-phenyl-1h-benzo d imidazole-5-sulfonic acid,2-phenyl-1h-benzo d imidazole-6-sulfonic acid,1h-benzimidazole-5-sulfonic acid, 2-phenyl,unii-9yq9di1w42,2-phenyl-1h-benzimidazole-5-sulfonic acid,parsol hs,2-phenyl-5-benzimidazolesulfonic acid
IUPAC Name 2-phenyl-3H-benzimidazole-5-sulfonic acid
InChI Key UVCJGUGAGLDPAA-UHFFFAOYSA-N
Molecular Formula C13H10N2O3S
13

2-Bromothiazole-5-carboxylic acid, 97%

CAS: 54045-76-0 Molecular Formula: C4H2BrNO2S Molecular Weight (g/mol): 208.029 MDL Number: MFCD04115730 InChI Key: BESGTWHUMYHYEQ-UHFFFAOYSA-N Synonym: 2-bromothiazole-5-carboxylic acid,2-bromo-5-thiazolecarboxylic acid,2-bromo-5-thiazolecarboxylicacid,2-bromo-thiazole-5-carboxylic acid,2-bromo-5-carboxythiazole,5-thiazolecarboxylic acid, 2-bromo,2-bromthiazol-5-carboxylic acid,pubchem15963,acmc-1ap3n,2-bromothiazole-5-carboxylic PubChem CID: 2763210 IUPAC Name: 2-bromo-1,3-thiazole-5-carboxylic acid SMILES: C1=C(SC(=N1)Br)C(=O)O

PubChem CID 2763210
CAS 54045-76-0
Molecular Weight (g/mol) 208.029
MDL Number MFCD04115730
SMILES C1=C(SC(=N1)Br)C(=O)O
Synonym 2-bromothiazole-5-carboxylic acid,2-bromo-5-thiazolecarboxylic acid,2-bromo-5-thiazolecarboxylicacid,2-bromo-thiazole-5-carboxylic acid,2-bromo-5-carboxythiazole,5-thiazolecarboxylic acid, 2-bromo,2-bromthiazol-5-carboxylic acid,pubchem15963,acmc-1ap3n,2-bromothiazole-5-carboxylic
IUPAC Name 2-bromo-1,3-thiazole-5-carboxylic acid
InChI Key BESGTWHUMYHYEQ-UHFFFAOYSA-N
Molecular Formula C4H2BrNO2S
14

5-Methylisoxazole-3-carboxylic acid, 98+%

CAS: 3405-77-4 Molecular Formula: C5H5NO3 Molecular Weight (g/mol): 127.099 MDL Number: MFCD01318162 InChI Key: BNMPIJWVMVNSRD-UHFFFAOYSA-N Synonym: 5-methylisoxazole-3-carboxylic acid,5-methylisoxazole-3-carboxylicacid,3-isoxazolecarboxylic acid, 5-methyl,5-methyl-3-isoxazolecarboxylic acid,5-methyl-isoxazole-3-carboxylic acid,3-carboxy-5-methylisoxazole,3-isoxazolecarboxylicacid, 5-methyl,isoxazole acid,pubchem15552,ksc224c5p PubChem CID: 76947 IUPAC Name: 5-methyl-1,2-oxazole-3-carboxylic acid SMILES: CC1=CC(=NO1)C(=O)O

PubChem CID 76947
CAS 3405-77-4
Molecular Weight (g/mol) 127.099
MDL Number MFCD01318162
SMILES CC1=CC(=NO1)C(=O)O
Synonym 5-methylisoxazole-3-carboxylic acid,5-methylisoxazole-3-carboxylicacid,3-isoxazolecarboxylic acid, 5-methyl,5-methyl-3-isoxazolecarboxylic acid,5-methyl-isoxazole-3-carboxylic acid,3-carboxy-5-methylisoxazole,3-isoxazolecarboxylicacid, 5-methyl,isoxazole acid,pubchem15552,ksc224c5p
IUPAC Name 5-methyl-1,2-oxazole-3-carboxylic acid
InChI Key BNMPIJWVMVNSRD-UHFFFAOYSA-N
Molecular Formula C5H5NO3
15

2-Phenylthiazole-4-carboxylic acid, 97%

CAS: 7113-10-2 Molecular Formula: C10H6NO2S Molecular Weight (g/mol): 204.22 MDL Number: MFCD00141954 InChI Key: IBUSLNJQKLZPNR-UHFFFAOYSA-M Synonym: 2-phenylthiazole-4-carboxylic acid,2-phenyl-4-carboxythiazole,4-thiazolecarboxylic acid, 2-phenyl,2-phenyl-thiazole-4-carboxylic acid,2-phenyl-4-thiazolecarboxylic acid,2-phenyl-1,3-thiadiazole-4-carboxylic acid,pubchem19074,4-carboxy-2-phenylthiazole,ksc237i8r,phenyl-1,3-thiazole-4-carboxylic acid PubChem CID: 138928 IUPAC Name: 2-phenyl-1,3-thiazole-4-carboxylic acid SMILES: C1=CC=C(C=C1)C2=NC(=CS2)C(=O)O

PubChem CID 138928
CAS 7113-10-2
Molecular Weight (g/mol) 204.22
MDL Number MFCD00141954
SMILES C1=CC=C(C=C1)C2=NC(=CS2)C(=O)O
Synonym 2-phenylthiazole-4-carboxylic acid,2-phenyl-4-carboxythiazole,4-thiazolecarboxylic acid, 2-phenyl,2-phenyl-thiazole-4-carboxylic acid,2-phenyl-4-thiazolecarboxylic acid,2-phenyl-1,3-thiadiazole-4-carboxylic acid,pubchem19074,4-carboxy-2-phenylthiazole,ksc237i8r,phenyl-1,3-thiazole-4-carboxylic acid
IUPAC Name 2-phenyl-1,3-thiazole-4-carboxylic acid
InChI Key IBUSLNJQKLZPNR-UHFFFAOYSA-M
Molecular Formula C10H6NO2S