Organoheterocyclic compounds

Organic compounds that consist of ring structures, or cyclic compounds that have atoms of at least two different elements as members of its ring(s).

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3,886 – 3,900 of 199,306 results

3,886

Pyrazine-2,5-dicarboxylic acid, 95%

CAS: 122-05-4 Molecular Formula: C6H4N2O4 Molecular Weight (g/mol): 168.11 MDL Number: MFCD00216919 InChI Key: GMIOYJQLNFNGPR-UHFFFAOYSA-N Synonym: 2,5-pyrazinedicarboxylic acid,2,5-pyrazinedicarboxylicacid,pubchem8868,2,5-pyrazine-diacid,ksc177q1r,pyrazinedicarboxylic-2,5 acid PubChem CID: 255280 IUPAC Name: pyrazine-2,5-dicarboxylic acid SMILES: OC(=O)C1=CN=C(C=N1)C(O)=O

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Specifications

PubChem CID	255280
CAS	122-05-4
Molecular Weight (g/mol)	168.11
MDL Number	MFCD00216919
SMILES	OC(=O)C1=CN=C(C=N1)C(O)=O
Synonym	2,5-pyrazinedicarboxylic acid,2,5-pyrazinedicarboxylicacid,pubchem8868,2,5-pyrazine-diacid,ksc177q1r,pyrazinedicarboxylic-2,5 acid
IUPAC Name	pyrazine-2,5-dicarboxylic acid
InChI Key	GMIOYJQLNFNGPR-UHFFFAOYSA-N
Molecular Formula	C6H4N2O4

3,887

2-Pyrazinecarboxylic Acid, Spectrum™ Chemical

CAS: 98-97-5

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Specifications

CAS	98-97-5

3,888

1,4-Diformylpiperazine, Spectrum™ Chemical

CAS: 4164-39-0

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Specifications

CAS	4164-39-0

3,889

Pyrazine-2,3-dicarboxylic acid, 98%

CAS: 89-01-0 Molecular Formula: C6H4N2O4 Molecular Weight (g/mol): 168.108 MDL Number: MFCD00006131 InChI Key: ZUCRGHABDDWQPY-UHFFFAOYSA-N Synonym: 2,3-pyrazinedicarboxylic acid,pyrazine-2,3-dicarboxylate,2,3-dicarboxypyrazine,2,3-pyrazine dicarboxylic acid,unii-qnn35wof29,2,3-pyrazinedicarboxylicacid,qnn35wof29,2,3-pyrazinedcarboxylicacid,pubchem8610,acmc-209qye PubChem CID: 66628 IUPAC Name: pyrazine-2,3-dicarboxylic acid SMILES: C1=CN=C(C(=N1)C(=O)O)C(=O)O

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Specifications

PubChem CID	66628
CAS	89-01-0
Molecular Weight (g/mol)	168.108
MDL Number	MFCD00006131
SMILES	C1=CN=C(C(=N1)C(=O)O)C(=O)O
Synonym	2,3-pyrazinedicarboxylic acid,pyrazine-2,3-dicarboxylate,2,3-dicarboxypyrazine,2,3-pyrazine dicarboxylic acid,unii-qnn35wof29,2,3-pyrazinedicarboxylicacid,qnn35wof29,2,3-pyrazinedcarboxylicacid,pubchem8610,acmc-209qye
IUPAC Name	pyrazine-2,3-dicarboxylic acid
InChI Key	ZUCRGHABDDWQPY-UHFFFAOYSA-N
Molecular Formula	C6H4N2O4

3,890

Furo[3,2-b]pyridine-2-carboxylic acid, 97%

CAS: 112372-14-2 Molecular Formula: C8H5NO3 Molecular Weight (g/mol): 163.13 MDL Number: MFCD11588128 InChI Key: VHRCHODSRLMXFM-UHFFFAOYSA-N Synonym: furo 3,2-b pyridine-2-carboxylic acid,acmc-20mg3q,2-carboxyfuro 3,2-b pyridine PubChem CID: 13803071 IUPAC Name: furo[3,2-b]pyridine-2-carboxylic acid SMILES: OC(=O)C1=CC2=NC=CC=C2O1

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Specifications

PubChem CID	13803071
CAS	112372-14-2
Molecular Weight (g/mol)	163.13
MDL Number	MFCD11588128
SMILES	OC(=O)C1=CC2=NC=CC=C2O1
Synonym	furo 3,2-b pyridine-2-carboxylic acid,acmc-20mg3q,2-carboxyfuro 3,2-b pyridine
IUPAC Name	furo[3,2-b]pyridine-2-carboxylic acid
InChI Key	VHRCHODSRLMXFM-UHFFFAOYSA-N
Molecular Formula	C8H5NO3

3,891

5-Amino-3,4-dimethylisoxazole, 99%

CAS: 19947-75-2 Molecular Formula: C5H8N2O Molecular Weight (g/mol): 112.132 MDL Number: MFCD00046081 InChI Key: PYNDWPFZDQONDV-UHFFFAOYSA-N Synonym: 5-amino-3,4-dimethylisoxazole,3,4-dimethylisoxazol-5-amine,5-amino-3,4-dimethyl-isoxazole,5-isoxazolamine, 3,4-dimethyl,dimethyl-1,2-oxazol-5-amine,3,4-dimethyl-5-isoxazolamine,5-amino-3,4-dimethyl isoxazole,3,4-dimethylisoxazole-5-ylamine,3,4-dimethylisoxazol-5-ylamine,pubchem8660 PubChem CID: 88317 IUPAC Name: 3,4-dimethyl-1,2-oxazol-5-amine SMILES: CC1=C(ON=C1C)N

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Specifications

PubChem CID	88317
CAS	19947-75-2
Molecular Weight (g/mol)	112.132
MDL Number	MFCD00046081
SMILES	CC1=C(ON=C1C)N
Synonym	5-amino-3,4-dimethylisoxazole,3,4-dimethylisoxazol-5-amine,5-amino-3,4-dimethyl-isoxazole,5-isoxazolamine, 3,4-dimethyl,dimethyl-1,2-oxazol-5-amine,3,4-dimethyl-5-isoxazolamine,5-amino-3,4-dimethyl isoxazole,3,4-dimethylisoxazole-5-ylamine,3,4-dimethylisoxazol-5-ylamine,pubchem8660
IUPAC Name	3,4-dimethyl-1,2-oxazol-5-amine
InChI Key	PYNDWPFZDQONDV-UHFFFAOYSA-N
Molecular Formula	C5H8N2O

3,892

3-Methyl-5-phenyl-4-isoxazolecarboxylic acid, 97%, Thermo Scientific™

CAS: 17153-21-8 Molecular Formula: C11H9NO3 Molecular Weight (g/mol): 203.197 InChI Key: GLNQCTGGLIXRRJ-UHFFFAOYSA-N Synonym: 3-methyl-5-phenylisoxazole-4-carboxylic acid,3-methyl-5-phenyl-4-isoxazolecarboxylic acid,4-carboxy-3-methylisoxazol-5-yl benzene,3-methyl-5-phenyl-4-isoxazole carboxylic acid,3-methyl-5-phenyl-isoxazole-4-carboxylic acid,4-isoxazolecarboxylicacid, 3-methyl-5-phenyl,4-isoxazolecarboxylic acid, 3-methyl-5-phenyl PubChem CID: 2776514 IUPAC Name: 3-methyl-5-phenyl-1,2-oxazole-4-carboxylic acid SMILES: CC1=NOC(=C1C(=O)O)C2=CC=CC=C2

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Specifications

PubChem CID	2776514
CAS	17153-21-8
Molecular Weight (g/mol)	203.197
SMILES	CC1=NOC(=C1C(=O)O)C2=CC=CC=C2
Synonym	3-methyl-5-phenylisoxazole-4-carboxylic acid,3-methyl-5-phenyl-4-isoxazolecarboxylic acid,4-carboxy-3-methylisoxazol-5-yl benzene,3-methyl-5-phenyl-4-isoxazole carboxylic acid,3-methyl-5-phenyl-isoxazole-4-carboxylic acid,4-isoxazolecarboxylicacid, 3-methyl-5-phenyl,4-isoxazolecarboxylic acid, 3-methyl-5-phenyl
IUPAC Name	3-methyl-5-phenyl-1,2-oxazole-4-carboxylic acid
InChI Key	GLNQCTGGLIXRRJ-UHFFFAOYSA-N
Molecular Formula	C11H9NO3

3,893

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

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Specifications

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

3,894

5-Methylisoxazole-3-carboxylic acid, 97%, Thermo Scientific™

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

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Specifications

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

3,895

3-Methylisoxazole-4-carboxylic acid, 98+%, Thermo Scientific Chemicals

CAS: 17153-20-7 Molecular Formula: C5H5NO3 Molecular Weight (g/mol): 127.099 MDL Number: MFCD01318161 InChI Key: YBLSBWHFPXDRHC-UHFFFAOYSA-N Synonym: 3-methylisoxazole-4-carboxylic acid,3-methyl-4-isoxazolecarboxylic acid,3-methyl-4-isoxazolecarboxylicacid,3-methyl-isoxazole-4-carboxylic acid,4-isoxazolecarboxylic acid, 3-methyl,3-methylisoxazole-4-carboxylicacid,pubchem10465,acmc-1c78i,3-methylisoxazole-s-carboxylic acid,4-isoxazolecarboxylicacid,3-methyl PubChem CID: 4589692 IUPAC Name: 3-methyl-1,2-oxazole-4-carboxylic acid SMILES: CC1=NOC=C1C(=O)O

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Specifications

PubChem CID	4589692
CAS	17153-20-7
Molecular Weight (g/mol)	127.099
MDL Number	MFCD01318161
SMILES	CC1=NOC=C1C(=O)O
Synonym	3-methylisoxazole-4-carboxylic acid,3-methyl-4-isoxazolecarboxylic acid,3-methyl-4-isoxazolecarboxylicacid,3-methyl-isoxazole-4-carboxylic acid,4-isoxazolecarboxylic acid, 3-methyl,3-methylisoxazole-4-carboxylicacid,pubchem10465,acmc-1c78i,3-methylisoxazole-s-carboxylic acid,4-isoxazolecarboxylicacid,3-methyl
IUPAC Name	3-methyl-1,2-oxazole-4-carboxylic acid
InChI Key	YBLSBWHFPXDRHC-UHFFFAOYSA-N
Molecular Formula	C5H5NO3

3,896

3-(Trifluoromethyl)-5,6,7,8-tetrahydro-1,2,4-triazolo[4,3-a]pyrazine hydrochloride, 98+%

CAS: 762240-92-6 Molecular Formula: C6H8ClF3N4 Molecular Weight (g/mol): 228.603 MDL Number: MFCD09817638 InChI Key: AQCSCRYRCRORET-UHFFFAOYSA-N Synonym: 3-trifluoromethyl-5,6,7,8-tetrahydro-1,2,4 triazolo 4,3-a pyrazine hydrochloride,3-trifluoromethyl-5h,6h,7h,8h-1,2,4 triazolo 4,3-a pyrazine hydrochloride,3-trifluoromethyl-5,6,7,8-tetrahydro-1,2,4-triazolo 4,3-a pyrazine hydrochloride,3-trifluoromethyl-1,2,4-triazolo 4,3-a piperazine hydrochloride,3-trifluoromethyl-5,6,7,8-tetrahydro-1,2,4 triazolo 4,3-a pyrazine hcl,3-trifluoromethyl-5,6,7,8-tetrahydro-1,2,4-triazolo-4,3-a pyrazine hydrochloride,3-trifluoromethyl-5,6,7,8-tetrahydro 1,2,4 triazolo 4,3-a pyrazine hydrochloride,5,6,7,8-tetrahydro-3-trifluormethyl-4,3-a-1,2,4-triazolopyrazine hydrochloride,pubchem18203 PubChem CID: 11961371 IUPAC Name: 3-(trifluoromethyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine;hydrochloride SMILES: C1CN2C(=NN=C2C(F)(F)F)CN1.Cl

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Specifications

PubChem CID	11961371
CAS	762240-92-6
Molecular Weight (g/mol)	228.603
MDL Number	MFCD09817638
SMILES	C1CN2C(=NN=C2C(F)(F)F)CN1.Cl
Synonym	3-trifluoromethyl-5,6,7,8-tetrahydro-1,2,4 triazolo 4,3-a pyrazine hydrochloride,3-trifluoromethyl-5h,6h,7h,8h-1,2,4 triazolo 4,3-a pyrazine hydrochloride,3-trifluoromethyl-5,6,7,8-tetrahydro-1,2,4-triazolo 4,3-a pyrazine hydrochloride,3-trifluoromethyl-1,2,4-triazolo 4,3-a piperazine hydrochloride,3-trifluoromethyl-5,6,7,8-tetrahydro-1,2,4 triazolo 4,3-a pyrazine hcl,3-trifluoromethyl-5,6,7,8-tetrahydro-1,2,4-triazolo-4,3-a pyrazine hydrochloride,3-trifluoromethyl-5,6,7,8-tetrahydro 1,2,4 triazolo 4,3-a pyrazine hydrochloride,5,6,7,8-tetrahydro-3-trifluormethyl-4,3-a-1,2,4-triazolopyrazine hydrochloride,pubchem18203
IUPAC Name	3-(trifluoromethyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine;hydrochloride
InChI Key	AQCSCRYRCRORET-UHFFFAOYSA-N
Molecular Formula	C6H8ClF3N4

3,897

2-Methylnaphtho[1,2-d]thiazole, 98%

CAS: 2682-45-3 Molecular Formula: C12H9NS Molecular Weight (g/mol): 199.27 MDL Number: MFCD00004951 InChI Key: OUXMJRMYZCEVKO-UHFFFAOYSA-N Synonym: 2-methylnaphtho 1,2-d thiazole,2-methyl-beta-naphthothiazole,2-methylnaphtho 1,2-d 1,3 thiazole,naphtho 1,2-d thiazole, 2-methyl,2-methyl-b-naphthylthiazole,naphth 1,2-d thiazole, 2-methyl,2-methyl-.beta.-naphthothiazole,2-methyinaphtho 1,2-d thiazole,2-methylbenzo e 1,3 benzothiazole PubChem CID: 75892 IUPAC Name: 2-methylbenzo[e][1,3]benzothiazole SMILES: CC1=NC2=C(S1)C=CC1=CC=CC=C21

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Specifications

PubChem CID	75892
CAS	2682-45-3
Molecular Weight (g/mol)	199.27
MDL Number	MFCD00004951
SMILES	CC1=NC2=C(S1)C=CC1=CC=CC=C21
Synonym	2-methylnaphtho 1,2-d thiazole,2-methyl-beta-naphthothiazole,2-methylnaphtho 1,2-d 1,3 thiazole,naphtho 1,2-d thiazole, 2-methyl,2-methyl-b-naphthylthiazole,naphth 1,2-d thiazole, 2-methyl,2-methyl-.beta.-naphthothiazole,2-methyinaphtho 1,2-d thiazole,2-methylbenzo e 1,3 benzothiazole
IUPAC Name	2-methylbenzo[e][1,3]benzothiazole
InChI Key	OUXMJRMYZCEVKO-UHFFFAOYSA-N
Molecular Formula	C12H9NS

3,898

3-(Chloromethyl)-5-thien-2-ylisoxazole, ≥97%, Thermo Scientific™

CAS: 863669-57-2 Molecular Formula: C8H6ClNOS Molecular Weight (g/mol): 199.65 MDL Number: MFCD07339176 InChI Key: RKWOCISPZAHSCF-UHFFFAOYSA-N Synonym: 3-chloromethyl-5-thien-2-ylisoxazole,3-chloromethyl-5-thiophen-2-yl-1,2-oxazole,isoxazole,3-chloromethyl-5-2-thienyl,2-3-chloromethyl isoxazol-5-yl thiophene,3-chloromethyl-5-thiophen-2-yl isoxazole PubChem CID: 7130599 IUPAC Name: 3-(chloromethyl)-5-thiophen-2-yl-1,2-oxazole SMILES: ClCC1=NOC(=C1)C1=CC=CS1

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Specifications

PubChem CID	7130599
CAS	863669-57-2
Molecular Weight (g/mol)	199.65
MDL Number	MFCD07339176
SMILES	ClCC1=NOC(=C1)C1=CC=CS1
Synonym	3-chloromethyl-5-thien-2-ylisoxazole,3-chloromethyl-5-thiophen-2-yl-1,2-oxazole,isoxazole,3-chloromethyl-5-2-thienyl,2-3-chloromethyl isoxazol-5-yl thiophene,3-chloromethyl-5-thiophen-2-yl isoxazole
IUPAC Name	3-(chloromethyl)-5-thiophen-2-yl-1,2-oxazole
InChI Key	RKWOCISPZAHSCF-UHFFFAOYSA-N
Molecular Formula	C8H6ClNOS

3,899

Phenoxazine, 98%

CAS: 135-67-1 Molecular Formula: C12H9NO Molecular Weight (g/mol): 183.21 MDL Number: MFCD00005014 InChI Key: TZMSYXZUNZXBOL-UHFFFAOYSA-N Synonym: phenoxazine,phenazoxine,unii-c2zwt499sg,c2zwt499sg,5,4-oxazine,phenotazine,rarechem fh 2c 0s92,phenoxazine 1g,9ci PubChem CID: 67278 IUPAC Name: 10H-phenoxazine SMILES: N1C2=CC=CC=C2OC2=CC=CC=C12

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Specifications

PubChem CID	67278
CAS	135-67-1
Molecular Weight (g/mol)	183.21
MDL Number	MFCD00005014
SMILES	N1C2=CC=CC=C2OC2=CC=CC=C12
Synonym	phenoxazine,phenazoxine,unii-c2zwt499sg,c2zwt499sg,5,4-oxazine,phenotazine,rarechem fh 2c 0s92,phenoxazine 1g,9ci
IUPAC Name	10H-phenoxazine
InChI Key	TZMSYXZUNZXBOL-UHFFFAOYSA-N
Molecular Formula	C12H9NO

3,900

1-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)indoline, 97%, Thermo Scientific™

CAS: 934570-43-1 Molecular Formula: C15H22BNO2 Molecular Weight (g/mol): 259.16 MDL Number: MFCD09879913 InChI Key: CZYIGZLFKRAXMV-UHFFFAOYSA-N Synonym: 1-methyl-5-4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl indoline,1-methyl-5-tetramethyl-1,3,2-dioxaborolan-2-yl-2,3-dihydroindole,1-methylindoline-5-boronic acid pinacol ester,4,4,5,5-tetramethyl-2-1-methylindolin-5-yl-1,3,2-dioxaborolane,1-methyl-5-4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl-2,3-dihydro-1h-indole,1-methyl-5-4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl-2,3-dihydroindole PubChem CID: 24229591 IUPAC Name: 1-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2,3-dihydroindole SMILES: CN1CCC2=C1C=CC(=C2)B1OC(C)(C)C(C)(C)O1

Pricing & Availability
Specifications

PubChem CID	24229591
CAS	934570-43-1
Molecular Weight (g/mol)	259.16
MDL Number	MFCD09879913
SMILES	CN1CCC2=C1C=CC(=C2)B1OC(C)(C)C(C)(C)O1
Synonym	1-methyl-5-4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl indoline,1-methyl-5-tetramethyl-1,3,2-dioxaborolan-2-yl-2,3-dihydroindole,1-methylindoline-5-boronic acid pinacol ester,4,4,5,5-tetramethyl-2-1-methylindolin-5-yl-1,3,2-dioxaborolane,1-methyl-5-4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl-2,3-dihydro-1h-indole,1-methyl-5-4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl-2,3-dihydroindole
IUPAC Name	1-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2,3-dihydroindole
InChI Key	CZYIGZLFKRAXMV-UHFFFAOYSA-N
Molecular Formula	C15H22BNO2

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2-Pyrazinecarboxylic Acid, Spectrum™ Chemical Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

1,4-Diformylpiperazine, Spectrum™ Chemical Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

2-Pyrazinecarboxylic Acid, Spectrum™ Chemical

1,4-Diformylpiperazine, Spectrum™ Chemical