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Azolines

Organic heterocyclic compounds that consist of a five-membered ring made up of four carbon atoms and one nitrogen atom, and only one carbon - carbon double bond.
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1 – 14 of 14 results
1

Creatinine, MP Biomedicals

CAS: 60-27-5 Molecular Formula: C4H7N3O Molecular Weight (g/mol): 113.12 MDL Number: MFCD00059730 InChI Key: DDRJAANPRJIHGJ-UHFFFAOYSA-N Synonym: creatinine,2-imino-1-methylimidazolidin-4-one,1-methylglycocyamidine,1-methylhydantoin-2-imide,creatinine,heated,4h-imidazol-4-one, 2-amino-1,5-dihydro-1-methyl,2-amino-1-methylimidazolin-4-one,creatinina,kreatinin,unii-ayi8ex34eu PubChem CID: 588 ChEBI: CHEBI:16737 IUPAC Name: 2-amino-3-methyl-4H-imidazol-5-one SMILES: CN1CC(=O)N=C1N

PubChem CID 588
CAS 60-27-5
Molecular Weight (g/mol) 113.12
ChEBI CHEBI:16737
MDL Number MFCD00059730
SMILES CN1CC(=O)N=C1N
Synonym creatinine,2-imino-1-methylimidazolidin-4-one,1-methylglycocyamidine,1-methylhydantoin-2-imide,creatinine,heated,4h-imidazol-4-one, 2-amino-1,5-dihydro-1-methyl,2-amino-1-methylimidazolin-4-one,creatinina,kreatinin,unii-ayi8ex34eu
IUPAC Name 2-amino-3-methyl-4H-imidazol-5-one
InChI Key DDRJAANPRJIHGJ-UHFFFAOYSA-N
Molecular Formula C4H7N3O
2
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Thermo Scientific Chemicals D-Cycloserine, 98%

CAS: 68-41-7 Molecular Formula: C3H6N2O2 Molecular Weight (g/mol): 102.09 MDL Number: MFCD00005353 InChI Key: DYDCUQKUCUHJBH-UWTATZPHSA-N Synonym: d-cycloserine,cycloserine,seromycin,orientomycin,oxamycin,cyclorin,cyclo-d-serine,cicloserina,farmiserina,miroseryn PubChem CID: 6234 ChEBI: CHEBI:40009 IUPAC Name: (4R)-4-amino-1,2-oxazolidin-3-one SMILES: C1C(C(=O)NO1)N

PubChem CID 6234
CAS 68-41-7
Molecular Weight (g/mol) 102.09
ChEBI CHEBI:40009
MDL Number MFCD00005353
SMILES C1C(C(=O)NO1)N
Synonym d-cycloserine,cycloserine,seromycin,orientomycin,oxamycin,cyclorin,cyclo-d-serine,cicloserina,farmiserina,miroseryn
IUPAC Name (4R)-4-amino-1,2-oxazolidin-3-one
InChI Key DYDCUQKUCUHJBH-UWTATZPHSA-N
Molecular Formula C3H6N2O2
3
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2-Ethyl-2-oxazoline, 99%

CAS: 10431-98-8 Molecular Formula: C5H9NO Molecular Weight (g/mol): 99.13 MDL Number: MFCD00005302 InChI Key: NYEZZYQZRQDLEH-UHFFFAOYSA-N Synonym: 2-ethyl-2-oxazoline,2-ethyloxazoline,2-ethyl-4,5-dihydrooxazole,oxazole, 2-ethyl-4,5-dihydro,2-oxazoline, 2-ethyl,unii-b8cd92t4p5,unii-jm7uh9q3yn,unii-hnx7574gtx,unii-s5dpg6k67i,ethyl oxazoline PubChem CID: 66412 IUPAC Name: 2-ethyl-4,5-dihydro-1,3-oxazole SMILES: CCC1=NCCO1

PubChem CID 66412
CAS 10431-98-8
Molecular Weight (g/mol) 99.13
MDL Number MFCD00005302
SMILES CCC1=NCCO1
Synonym 2-ethyl-2-oxazoline,2-ethyloxazoline,2-ethyl-4,5-dihydrooxazole,oxazole, 2-ethyl-4,5-dihydro,2-oxazoline, 2-ethyl,unii-b8cd92t4p5,unii-jm7uh9q3yn,unii-hnx7574gtx,unii-s5dpg6k67i,ethyl oxazoline
IUPAC Name 2-ethyl-4,5-dihydro-1,3-oxazole
InChI Key NYEZZYQZRQDLEH-UHFFFAOYSA-N
Molecular Formula C5H9NO
4
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3-(4,4-Dimethyl-2-oxazolinyl)pyridine, 97%

CAS: 68981-86-2 Molecular Formula: C10H12N2O Molecular Weight (g/mol): 176.219 MDL Number: MFCD01313220 InChI Key: XYABHURTMBEOGW-UHFFFAOYSA-N Synonym: 4,5-dihydro-4,4-dimethyl-2-3-pyridyl oxazole,3-4,4-dimethyl-4,5-dihydro-1,3-oxazol-2-yl pyridine,4,5-dihydro-4,4-dimethyl-2-pyrid-3-yl oxazole,4,4-dimethyl-2-pyridin-3-yl-4,5-dihydrooxazole,3-4,4-dimethyl-5h-1,3-oxazol-2-yl pyridine,4,4-dimethyl-2-3-pyridyl-1,3-oxazoline,pubchem8698,3-4,4-dimethyl-2-oxazolinyl pyridine,4,4-dimethyl-2-3-pyridyl-oxazoline,4,4-dimethyl-2-3-pyridinyl-5h-oxazole PubChem CID: 2736129 IUPAC Name: 4,4-dimethyl-2-pyridin-3-yl-5H-1,3-oxazole SMILES: CC1(COC(=N1)C2=CN=CC=C2)C

PubChem CID 2736129
CAS 68981-86-2
Molecular Weight (g/mol) 176.219
MDL Number MFCD01313220
SMILES CC1(COC(=N1)C2=CN=CC=C2)C
Synonym 4,5-dihydro-4,4-dimethyl-2-3-pyridyl oxazole,3-4,4-dimethyl-4,5-dihydro-1,3-oxazol-2-yl pyridine,4,5-dihydro-4,4-dimethyl-2-pyrid-3-yl oxazole,4,4-dimethyl-2-pyridin-3-yl-4,5-dihydrooxazole,3-4,4-dimethyl-5h-1,3-oxazol-2-yl pyridine,4,4-dimethyl-2-3-pyridyl-1,3-oxazoline,pubchem8698,3-4,4-dimethyl-2-oxazolinyl pyridine,4,4-dimethyl-2-3-pyridyl-oxazoline,4,4-dimethyl-2-3-pyridinyl-5h-oxazole
IUPAC Name 4,4-dimethyl-2-pyridin-3-yl-5H-1,3-oxazole
InChI Key XYABHURTMBEOGW-UHFFFAOYSA-N
Molecular Formula C10H12N2O
5
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4,4-Dimethyl-2-oxazoline, 98%

CAS: 30093-99-3 Molecular Formula: C5H9NO Molecular Weight (g/mol): 99.13 MDL Number: MFCD00014507 InChI Key: KOAMXHRRVFDWRQ-UHFFFAOYSA-N Synonym: 4,4-dimethyl-2-oxazoline,4,4-dimethyloxazoline,4,4-dimethyl-4,5-dihydrooxazole,oxazole, 4,5-dihydro-4,4-dimethyl,4,5-dihydro-4,4-dimethyloxazole,pubchem19647,acmc-1cjzq,koamxhrrvfdwrq-uhfffaoysa,4,4-dimethyl-4,5-dihydro-1,3-oxazole,4,4-dimethyl-5h-1,3-oxazol-5-yl PubChem CID: 121630 SMILES: CC1(C)COC=N1

PubChem CID 121630
CAS 30093-99-3
Molecular Weight (g/mol) 99.13
MDL Number MFCD00014507
SMILES CC1(C)COC=N1
Synonym 4,4-dimethyl-2-oxazoline,4,4-dimethyloxazoline,4,4-dimethyl-4,5-dihydrooxazole,oxazole, 4,5-dihydro-4,4-dimethyl,4,5-dihydro-4,4-dimethyloxazole,pubchem19647,acmc-1cjzq,koamxhrrvfdwrq-uhfffaoysa,4,4-dimethyl-4,5-dihydro-1,3-oxazole,4,4-dimethyl-5h-1,3-oxazol-5-yl
InChI Key KOAMXHRRVFDWRQ-UHFFFAOYSA-N
Molecular Formula C5H9NO
6
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Creatinine, 98%

CAS: 60-27-5 Molecular Formula: C4H7N3O Molecular Weight (g/mol): 113.12 MDL Number: MFCD00059730 InChI Key: DDRJAANPRJIHGJ-UHFFFAOYSA-N Synonym: creatinine,2-imino-1-methylimidazolidin-4-one,1-methylglycocyamidine,1-methylhydantoin-2-imide,creatinine,heated,4h-imidazol-4-one, 2-amino-1,5-dihydro-1-methyl,2-amino-1-methylimidazolin-4-one,creatinina,kreatinin,unii-ayi8ex34eu PubChem CID: 588 ChEBI: CHEBI:16737 IUPAC Name: 2-amino-3-methyl-4H-imidazol-5-one SMILES: CN1CC(=O)N=C1N

PubChem CID 588
CAS 60-27-5
Molecular Weight (g/mol) 113.12
ChEBI CHEBI:16737
MDL Number MFCD00059730
SMILES CN1CC(=O)N=C1N
Synonym creatinine,2-imino-1-methylimidazolidin-4-one,1-methylglycocyamidine,1-methylhydantoin-2-imide,creatinine,heated,4h-imidazol-4-one, 2-amino-1,5-dihydro-1-methyl,2-amino-1-methylimidazolin-4-one,creatinina,kreatinin,unii-ayi8ex34eu
IUPAC Name 2-amino-3-methyl-4H-imidazol-5-one
InChI Key DDRJAANPRJIHGJ-UHFFFAOYSA-N
Molecular Formula C4H7N3O
7

Medchemexpress LLC 1H-Benzimidazole, 2-(2-pyridinyl)- | 1137-68-4 | 99.9% | 195.22 | 10 G
SDP

2-(2′-Pyridyl)benzimidazole is a potentially tridentate ligand capable of forming stable complexes with various transition metal ions. It functions as an anti-inflammatory agent and effectively inhibits Escherichia coli methionine aminopeptidase, making it suitable for biochemical research. This compound appears as a solid, ranging from pale purple to purple or colorless to light pink and is intended for research use only.

  • Functions as an anti-inflammatory agent
  • Inhibits Escherichia coli methionine aminopeptidase
  • IC50 of 13.3 μM in inhibiting human MetAP2 expressed in Sf9 cells
  • Molecular formula: C12H9N3
  • Molecular weight: 195.22
  • Purity: 99.88%
  • Ships at room temperature
  • Stable for up to 3 years at room temperature
  • Consistent with 1H NMR spectrum and LCMS

ENCOMPASS_PREFERRED
8

Medchemexpress LLC Propanoic acid, 3-(2-mercaptoethoxy)- | 1260092-48-5 | 95.0% | 150.20 | C5H10O3S | 10 MG
SDP

Thiol-PEG1-acid is a short polyethylene glycol (PEG) linker bearing a thiol (-SH) and a terminal carboxyl (-COOH). It is used as a bifunctional coupling reagent in bioconjugation and small-scale synthesis where selective thiol reactivity and carboxyl-mediated coupling are required.

  • Short PEG linker with terminal thiol and carboxyl functional groups.
  • Enables selective coupling via thiol chemistry, such as maleimide conjugation.
  • Carboxyl group suitable for amide or ester bond formation with amines or alcohols.
  • Low molecular weight (approx. 150.2 g/mol) for minimal steric hindrance.
  • Typically supplied at 95.0% purity for research applications.
  • Useful for bioconjugation, linker construction, and small-molecule linker design.

ENCOMPASS_PREFERRED
9

eMolecules​ 99584-10-8 | 6-Amino-3-methyl-1,3-benzoxazol-2(3h)-one | Combi-Blocks | MFCD07801206 | 164.164 | C8H8N2O2 | 97.000 | Cn1c2ccc(N)cc2oc1=O | 10g | 380357194

6-Amino-3-methyl-1,3-benzoxazol-2(3h)-one | Combi-Blocks | 99584-10-8 | MFCD07801206 | 164.164 | C8H8N2O2 | 97.000 | Cn1c2ccc(N)cc2oc1=O | 10g | 380357194

ENCOMPASS_PREFERRED
10

eMolecules​ 99584-10-8 | 6-Amino-3-methyl-1,3-benzoxazol-2(3h)-one | Combi-Blocks, Inc. | MFCD07801206 | 164.164 | C8H8N2O2 | 97.000 | Cn1c2ccc(N)cc2oc1=O | 25g | 882684550

6-Amino-3-methyl-1,3-benzoxazol-2(3h)-one | Combi-Blocks, Inc. | 99584-10-8 | MFCD07801206 | 164.164 | C8H8N2O2 | 97.000 | Cn1c2ccc(N)cc2oc1=O | 25g | 882684550

ENCOMPASS_PREFERRED
11

Sigma Aldrich Creatinine

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.

ENCOMPASS ENCOMPASS_PREFERRED
Percent Purity ≥98%
Linear Formula C4H7N3O
CAS 60-27-5
Molecular Weight (g/mol) 113.12
MDL Number MFCD00059730
Synonym 2-Amino-1-methyl-2-imidazolin-4-one; 2-Imino-1-methylimidazolidin-4-one; 2-Imino-N-methylhydantoin
Recommended Storage Room Temperature
Molecular Formula C4H7N3O
EINECS Number 200-466-7
Melting Point 295°C (lit.)
12

TARGETMOL CHEMICALS INC Irbesartan 100MG
SDP

Also available in 1 mL, 10 mg, 25 mg, 50 mg, 200 mg, 500 mg and bulk. Please contact Fisher for quotes. Irbesartan (SR-47436) is an Angiotensin 2 Receptor Blocker whose mechanism of action involves antagonizing the Angiotensin 2 Receptor. Purity 99.92%

ENCOMPASS_PREFERRED
13

Medchemexpress LLC 2-methyl-2-thiazoline-4-carboxylic acid (sodium) | 15058-19-2 | MFCD03093520 | 98.1% | 167.16 | C5H6NNaO2S | 50 MG
SDP

2-Methyl-2-thiazoline-4-carboxylic acid sodium is the sodium salt of a thiazoline carboxylic acid supplied as a solid research reagent. It is used as a heterocyclic building block and biochemical reagent in organic synthesis and laboratory studies that require a thiazoline-derived carboxylate.

  • Solid, light yellow to yellow appearance.
  • Purity 98.1%.
  • Molecular weight 167.16 g/mol; formula C5H6NNaO2S.
  • Identified by CAS number 15058-19-2.
  • Available in small-scale laboratory quantities (25 mg-10 g).
  • Suitable as a heterocyclic building block and biochemical reagent for organic synthesis and research.

ENCOMPASS_PREFERRED
14

Medchemexpress LLC Methimazole | 60-56-0 | 100.0% | 1 ML
SDP

Methimazole, also known as Thiamazole, is an anti-thyroid agent that effectively blocks the production of thyroid hormones from the thyroid gland. This compound is known to potentially cause hepatotoxicity. It is provided as a 10mM solution in 1mL of DMSO.

  • Available in high purity, typically >99%
  • Used as an anti-thyroid agent
  • Blocks thyroid hormone production
  • Packaged as a 10 mM solution in DMSO
  • Store powder at -20°C for up to 3 years or 4°C for 2 years
  • Store solutions in solvent at -80°C for up to 2 years or -20°C for 1 year

ENCOMPASS_PREFERRED