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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3,166 – 3,180 of 197,051 results

3,166

5-Cyanothiophene-2-boronic acid, 98%, Thermo Scientific Chemicals

CAS: 305832-67-1 Molecular Formula: C5H4BNO2S Molecular Weight (g/mol): 152.96 MDL Number: MFCD02094029 InChI Key: ZEOMEPSYIIQIND-UHFFFAOYSA-N Synonym: 5-cyanothiophene-2-boronic acid,5-cyanothiophen-2-yl boronic acid,5-cyanothiophen-2-yl-2-boronic acid,5-boronothiophene-2-carbonitrile,5-cyano-2-thienyl boronic acid,5-dihydroxyboranyl thiophene-2-carbonitrile,5-cyano-2-thienylboronic acid,boronic acid, 5-cyano-2-thienyl,5-cyanothiophen-2-boronic acid,acmc-1ctts PubChem CID: 4198743 IUPAC Name: (5-cyanothiophen-2-yl)boronic acid SMILES: OB(O)C1=CC=C(S1)C#N

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Specifications

PubChem CID	4198743
CAS	305832-67-1
Molecular Weight (g/mol)	152.96
MDL Number	MFCD02094029
SMILES	OB(O)C1=CC=C(S1)C#N
Synonym	5-cyanothiophene-2-boronic acid,5-cyanothiophen-2-yl boronic acid,5-cyanothiophen-2-yl-2-boronic acid,5-boronothiophene-2-carbonitrile,5-cyano-2-thienyl boronic acid,5-dihydroxyboranyl thiophene-2-carbonitrile,5-cyano-2-thienylboronic acid,boronic acid, 5-cyano-2-thienyl,5-cyanothiophen-2-boronic acid,acmc-1ctts
IUPAC Name	(5-cyanothiophen-2-yl)boronic acid
InChI Key	ZEOMEPSYIIQIND-UHFFFAOYSA-N
Molecular Formula	C5H4BNO2S

3,167

2-Iodo-5-methylthiophene, 97%

CAS: 16494-36-3 Molecular Formula: C5H5IS Molecular Weight (g/mol): 224.06 MDL Number: MFCD00022492 InChI Key: NAZNQEXKAPLVKC-UHFFFAOYSA-N Synonym: thiophene, 2-iodo-5-methyl,pubchem7417,acmc-1bs6v,2-iodo-5-methyl-thiophene,2-iodo-5-methyl thiophene,bidd:gt0402,2-iodo-5-methylthiophene PubChem CID: 140096 IUPAC Name: 2-iodo-5-methylthiophene SMILES: CC1=CC=C(I)S1

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Specifications

PubChem CID	140096
CAS	16494-36-3
Molecular Weight (g/mol)	224.06
MDL Number	MFCD00022492
SMILES	CC1=CC=C(I)S1
Synonym	thiophene, 2-iodo-5-methyl,pubchem7417,acmc-1bs6v,2-iodo-5-methyl-thiophene,2-iodo-5-methyl thiophene,bidd:gt0402,2-iodo-5-methylthiophene
IUPAC Name	2-iodo-5-methylthiophene
InChI Key	NAZNQEXKAPLVKC-UHFFFAOYSA-N
Molecular Formula	C5H5IS

3,168

2,5-Dibromothiophene, 95%

CAS: 3141-27-3 Molecular Formula: C4H2Br2S Molecular Weight (g/mol): 241.93 MDL Number: MFCD00005420 InChI Key: KBVDUUXRXJTAJC-UHFFFAOYSA-N Synonym: thiophene, 2,5-dibromo,2,5-dibromo-thiophene,unii-f0033k8cxm,pubchem5512,thiophene,5-dibromo,acmc-1ckmh,2,5-bis bromanyl thiophene,ksc224g0j,2,5-dibromothiophene,bidd:gt0086 PubChem CID: 18453 IUPAC Name: 2,5-dibromothiophene SMILES: BrC1=CC=C(Br)S1

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PubChem CID	18453
CAS	3141-27-3
Molecular Weight (g/mol)	241.93
MDL Number	MFCD00005420
SMILES	BrC1=CC=C(Br)S1
Synonym	thiophene, 2,5-dibromo,2,5-dibromo-thiophene,unii-f0033k8cxm,pubchem5512,thiophene,5-dibromo,acmc-1ckmh,2,5-bis bromanyl thiophene,ksc224g0j,2,5-dibromothiophene,bidd:gt0086
IUPAC Name	2,5-dibromothiophene
InChI Key	KBVDUUXRXJTAJC-UHFFFAOYSA-N
Molecular Formula	C4H2Br2S

3,169

3-Bromothiophene-2-carboxamide, 99%, Thermo Scientific Chemicals

CAS: 78031-18-2 Molecular Formula: C5H4BrNOS Molecular Weight (g/mol): 206.06 MDL Number: MFCD00173835 InChI Key: KWXUWNXTRUZHNQ-UHFFFAOYSA-N Synonym: maybridge1_007895,3-bromo-2-carboxamidothiophene,2-thiophenecarboxamide,3-bromo,3-bromo-thiophene-2-carboxamide,3-bromo-2-thiophenecarboxamide #,buttpark 180\02-08,3-bromo thiophene-2-carboxamide PubChem CID: 605721 IUPAC Name: 3-bromothiophene-2-carboxamide SMILES: NC(=O)C1=C(Br)C=CS1

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Specifications

PubChem CID	605721
CAS	78031-18-2
Molecular Weight (g/mol)	206.06
MDL Number	MFCD00173835
SMILES	NC(=O)C1=C(Br)C=CS1
Synonym	maybridge1_007895,3-bromo-2-carboxamidothiophene,2-thiophenecarboxamide,3-bromo,3-bromo-thiophene-2-carboxamide,3-bromo-2-thiophenecarboxamide #,buttpark 180\02-08,3-bromo thiophene-2-carboxamide
IUPAC Name	3-bromothiophene-2-carboxamide
InChI Key	KWXUWNXTRUZHNQ-UHFFFAOYSA-N
Molecular Formula	C5H4BrNOS

3,170

5-Bromobenzo[b]thiophene-3-carboxylic acid, 97%, Thermo Scientific™

CAS: 7312-24-5 Molecular Formula: C9H5BrO2S Molecular Weight (g/mol): 257.101 InChI Key: DWQBOPASRUUSKR-UHFFFAOYSA-N Synonym: 5-bromobenzo b thiophene-3-carboxylic acid,5-bromobenzo b thiophene-3-carboxylicacid,benzo b thiophene-3-carboxylicacid, 5-bromo,benzo b thiophene-3-carboxylic acid, 5-bromo,5-bromo-3-carboxybenzo b thiophene,5-bromo-benzo b thiophene-3-carboxylic acid,# PubChem CID: 621037 IUPAC Name: 5-bromo-1-benzothiophene-3-carboxylic acid SMILES: C1=CC2=C(C=C1Br)C(=CS2)C(=O)O

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Specifications

PubChem CID	621037
CAS	7312-24-5
Molecular Weight (g/mol)	257.101
SMILES	C1=CC2=C(C=C1Br)C(=CS2)C(=O)O
Synonym	5-bromobenzo b thiophene-3-carboxylic acid,5-bromobenzo b thiophene-3-carboxylicacid,benzo b thiophene-3-carboxylicacid, 5-bromo,benzo b thiophene-3-carboxylic acid, 5-bromo,5-bromo-3-carboxybenzo b thiophene,5-bromo-benzo b thiophene-3-carboxylic acid,#
IUPAC Name	5-bromo-1-benzothiophene-3-carboxylic acid
InChI Key	DWQBOPASRUUSKR-UHFFFAOYSA-N
Molecular Formula	C9H5BrO2S

3,171

1-Benzothiophene-3-carboxylic acid, 97%, Thermo Scientific™

CAS: 5381-25-9 Molecular Formula: C9H6O2S Molecular Weight (g/mol): 178.205 MDL Number: MFCD01846406 InChI Key: DRBLTQNCQJXSNU-UHFFFAOYSA-N Synonym: benzo b thiophene-3-carboxylic acid,benzothiophene-3-carboxylic acid,benzothiophene-3-carboxylicacid,pubchem13463,acmc-20a10z,ksc178m8d,1-benzo b thiophene-3-carboxylic acid,#,thianaphthene-3-carboxylic acid PubChem CID: 601280 IUPAC Name: 1-benzothiophene-3-carboxylic acid SMILES: C1=CC=C2C(=C1)C(=CS2)C(=O)O

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Specifications

PubChem CID	601280
CAS	5381-25-9
Molecular Weight (g/mol)	178.205
MDL Number	MFCD01846406
SMILES	C1=CC=C2C(=C1)C(=CS2)C(=O)O
Synonym	benzo b thiophene-3-carboxylic acid,benzothiophene-3-carboxylic acid,benzothiophene-3-carboxylicacid,pubchem13463,acmc-20a10z,ksc178m8d,1-benzo b thiophene-3-carboxylic acid,#,thianaphthene-3-carboxylic acid
IUPAC Name	1-benzothiophene-3-carboxylic acid
InChI Key	DRBLTQNCQJXSNU-UHFFFAOYSA-N
Molecular Formula	C9H6O2S

3,172

2-chloro-3-nitrothiophene, 97%, Thermo Scientific™

CAS: 5330-98-3 Molecular Formula: C4H2ClNO2S Molecular Weight (g/mol): 163.58 MDL Number: MFCD00052159 InChI Key: OFPRGOSJWUNETN-UHFFFAOYSA-N Synonym: thiophene,2-chloro-3-nitro,thiophene, 2-chloro-3-nitro,2-chloro-3-nitro-thiophene,pubchem5466 PubChem CID: 220186 IUPAC Name: 2-chloro-3-nitrothiophene SMILES: [O-][N+](=O)C1=C(Cl)SC=C1

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Specifications

PubChem CID	220186
CAS	5330-98-3
Molecular Weight (g/mol)	163.58
MDL Number	MFCD00052159
SMILES	[O-][N+](=O)C1=C(Cl)SC=C1
Synonym	thiophene,2-chloro-3-nitro,thiophene, 2-chloro-3-nitro,2-chloro-3-nitro-thiophene,pubchem5466
IUPAC Name	2-chloro-3-nitrothiophene
InChI Key	OFPRGOSJWUNETN-UHFFFAOYSA-N
Molecular Formula	C4H2ClNO2S

3,173

5-Chlorothiophene-2-carbonyl chloride, 98%

CAS: 42518-98-9 Molecular Formula: C5H2Cl2OS Molecular Weight (g/mol): 181.03 MDL Number: MFCD00043886 InChI Key: BMPDCQVRKDNUAP-UHFFFAOYSA-N Synonym: 5-chlorothiophene-2-carbonylchloride,5-chorothiophene-2-carbonyl chloride,5-chloro-2-thiophenecarbonyl chloride,5-chloro-thiophene-2-carbonyl chloride,5-chloro-2-thenoyl chloride,2-thiophenecarbonyl chloride, 5-chloro,pubchem16132,ksc235i7t,5-chlorothiophenecarbonyl chloride,5-chloro-2-thenoylchloride PubChem CID: 589223 IUPAC Name: 5-chlorothiophene-2-carbonyl chloride SMILES: ClC(=O)C1=CC=C(Cl)S1

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Specifications

PubChem CID	589223
CAS	42518-98-9
Molecular Weight (g/mol)	181.03
MDL Number	MFCD00043886
SMILES	ClC(=O)C1=CC=C(Cl)S1
Synonym	5-chlorothiophene-2-carbonylchloride,5-chorothiophene-2-carbonyl chloride,5-chloro-2-thiophenecarbonyl chloride,5-chloro-thiophene-2-carbonyl chloride,5-chloro-2-thenoyl chloride,2-thiophenecarbonyl chloride, 5-chloro,pubchem16132,ksc235i7t,5-chlorothiophenecarbonyl chloride,5-chloro-2-thenoylchloride
IUPAC Name	5-chlorothiophene-2-carbonyl chloride
InChI Key	BMPDCQVRKDNUAP-UHFFFAOYSA-N
Molecular Formula	C5H2Cl2OS

3,174

2,5-Dibromo-3,4-dinitrothiophene, Thermo Scientific Chemicals

CAS: 52431-30-8 Molecular Formula: C4Br2N2O4S Molecular Weight (g/mol): 331.92 MDL Number: MFCD00015537 InChI Key: AHGHPBPARMANQD-UHFFFAOYSA-N Synonym: 2,5-dibromo-3,4-dinitro-thiophene,thiophene, 2,5-dibromo-3,4-dinitro,acmc-1apgk,ksc491i5j,2,5-dibromo-3,4-dinitrothiophene gc PubChem CID: 257024 IUPAC Name: 2,5-dibromo-3,4-dinitrothiophene SMILES: [O-][N+](=O)C1=C(Br)SC(Br)=C1[N+]([O-])=O

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Specifications

PubChem CID	257024
CAS	52431-30-8
Molecular Weight (g/mol)	331.92
MDL Number	MFCD00015537
SMILES	[O-][N+](=O)C1=C(Br)SC(Br)=C1[N+]([O-])=O
Synonym	2,5-dibromo-3,4-dinitro-thiophene,thiophene, 2,5-dibromo-3,4-dinitro,acmc-1apgk,ksc491i5j,2,5-dibromo-3,4-dinitrothiophene gc
IUPAC Name	2,5-dibromo-3,4-dinitrothiophene
InChI Key	AHGHPBPARMANQD-UHFFFAOYSA-N
Molecular Formula	C4Br2N2O4S

3,175

5-Bromo-2-thiophenemethanol, 95%

CAS: 79387-71-6 Molecular Formula: C5H5BrOS Molecular Weight (g/mol): 193.06 MDL Number: MFCD06202626 InChI Key: DBRSLMCLMMFHEF-UHFFFAOYSA-N PubChem CID: 11435467 IUPAC Name: (5-bromothiophen-2-yl)methanol SMILES: OCC1=CC=C(Br)S1

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Specifications

PubChem CID	11435467
CAS	79387-71-6
Molecular Weight (g/mol)	193.06
MDL Number	MFCD06202626
SMILES	OCC1=CC=C(Br)S1
IUPAC Name	(5-bromothiophen-2-yl)methanol
InChI Key	DBRSLMCLMMFHEF-UHFFFAOYSA-N
Molecular Formula	C5H5BrOS

3,176

Benzo[b]thiophene-2-carboxylic hydrazide, 97%

CAS: 175135-07-6 Molecular Formula: C9H8N2OS Molecular Weight (g/mol): 192.24 MDL Number: MFCD00052501 InChI Key: ZXKPFIRPUUAAPQ-UHFFFAOYSA-N Synonym: benzo b thiophene-2-carbohydrazide,benzo b thiophene-2-carboxylic hydrazide,thianaphthene-2-carboxylic hydrazide,benzo b thiophene-2-carboxylicacid, hydrazide,maybridge1_008989,acmc-1c3go,#,benzo b thiophene-2-carboxylic acid hydrazide PubChem CID: 519437 IUPAC Name: 1-benzothiophene-2-carbohydrazide SMILES: NNC(=O)C1=CC2=CC=CC=C2S1

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Specifications

PubChem CID	519437
CAS	175135-07-6
Molecular Weight (g/mol)	192.24
MDL Number	MFCD00052501
SMILES	NNC(=O)C1=CC2=CC=CC=C2S1
Synonym	benzo b thiophene-2-carbohydrazide,benzo b thiophene-2-carboxylic hydrazide,thianaphthene-2-carboxylic hydrazide,benzo b thiophene-2-carboxylicacid, hydrazide,maybridge1_008989,acmc-1c3go,#,benzo b thiophene-2-carboxylic acid hydrazide
IUPAC Name	1-benzothiophene-2-carbohydrazide
InChI Key	ZXKPFIRPUUAAPQ-UHFFFAOYSA-N
Molecular Formula	C9H8N2OS

3,177

Thieno[2,3-b]pyrazin-7-amine, Thermo Scientific™™

CAS: 59944-75-1 Molecular Formula: C6H5N3S Molecular Weight (g/mol): 151.187 MDL Number: MFCD08271970 InChI Key: ZRVKSPNBHZCQKY-UHFFFAOYSA-N Synonym: thieno 2,3-b pyrazin-7-amine,thieno 3,2-b pyrazin-7-amine,7-aminothieno 2,3-b pyrazine,4ctk,svn,7-aminothieno 2,3-b pyrazin,thiopheno 3,2-b pyrazine-7-ylamine PubChem CID: 12299130 IUPAC Name: thieno[2,3-b]pyrazin-7-amine SMILES: C1=CN=C2C(=N1)C(=CS2)N

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Specifications

PubChem CID	12299130
CAS	59944-75-1
Molecular Weight (g/mol)	151.187
MDL Number	MFCD08271970
SMILES	C1=CN=C2C(=N1)C(=CS2)N
Synonym	thieno 2,3-b pyrazin-7-amine,thieno 3,2-b pyrazin-7-amine,7-aminothieno 2,3-b pyrazine,4ctk,svn,7-aminothieno 2,3-b pyrazin,thiopheno 3,2-b pyrazine-7-ylamine
IUPAC Name	thieno[2,3-b]pyrazin-7-amine
InChI Key	ZRVKSPNBHZCQKY-UHFFFAOYSA-N
Molecular Formula	C6H5N3S

3,178

5-Pyridin-2-ylthiophene-2-carbaldehyde, Thermo Scientific™

CAS: 132706-12-8 Molecular Formula: C10H7NOS Molecular Weight (g/mol): 189.232 InChI Key: VAGVVFZWHTULBM-UHFFFAOYSA-N Synonym: 5-pyridin-2-yl thiophene-2-carbaldehyde,5-2-pyridyl thiophene-2-carbaldehyde,2-thiophenecarboxaldehyde,5-2-pyridinyl,5-pyridin-2-yl thiophene-2-carboxaldehyde,5-2-pyridinyl-2-thiophenecarboxaldehyde,pubchem16361,acmc-1c1gm,5-2-pyridinyl-2-thiophenecarbaldehyde,5-2-pyridinyl-2-thiophenecarbaldehyde #,thiophene-2-carboxaldehyde, 5-2-pyridyl PubChem CID: 605127 IUPAC Name: 5-pyridin-2-ylthiophene-2-carbaldehyde SMILES: C1=CC=NC(=C1)C2=CC=C(S2)C=O

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Specifications

PubChem CID	605127
CAS	132706-12-8
Molecular Weight (g/mol)	189.232
SMILES	C1=CC=NC(=C1)C2=CC=C(S2)C=O
Synonym	5-pyridin-2-yl thiophene-2-carbaldehyde,5-2-pyridyl thiophene-2-carbaldehyde,2-thiophenecarboxaldehyde,5-2-pyridinyl,5-pyridin-2-yl thiophene-2-carboxaldehyde,5-2-pyridinyl-2-thiophenecarboxaldehyde,pubchem16361,acmc-1c1gm,5-2-pyridinyl-2-thiophenecarbaldehyde,5-2-pyridinyl-2-thiophenecarbaldehyde #,thiophene-2-carboxaldehyde, 5-2-pyridyl
IUPAC Name	5-pyridin-2-ylthiophene-2-carbaldehyde
InChI Key	VAGVVFZWHTULBM-UHFFFAOYSA-N
Molecular Formula	C10H7NOS

3,179

3-Chlorobenzo[b]thiophene-2-carboxylic acid, 97%

CAS: 21211-22-3 Molecular Formula: C9H5ClO2S Molecular Weight (g/mol): 212.647 MDL Number: MFCD00014579 InChI Key: HJTMIYKPPPYDRJ-UHFFFAOYSA-N Synonym: 3-chlorobenzo b thiophene-2-carboxylic acid,3-chloro-benzo b thiophene-2-carboxylic acid,3-chloro-benzo b thiophene-2-carboxylicacid,benzo b thiophene-2-carboxylic acid, 3-chloro,3-chlorobenzothiophene-2-carboxylic acid,pubchem18541,3-chloro-benzo b thiophene carboxylic acid,acmc-1coc0,cbmicro_009255 PubChem CID: 307964 IUPAC Name: 3-chloro-1-benzothiophene-2-carboxylic acid SMILES: C1=CC=C2C(=C1)C(=C(S2)C(=O)O)Cl

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Specifications

PubChem CID	307964
CAS	21211-22-3
Molecular Weight (g/mol)	212.647
MDL Number	MFCD00014579
SMILES	C1=CC=C2C(=C1)C(=C(S2)C(=O)O)Cl
Synonym	3-chlorobenzo b thiophene-2-carboxylic acid,3-chloro-benzo b thiophene-2-carboxylic acid,3-chloro-benzo b thiophene-2-carboxylicacid,benzo b thiophene-2-carboxylic acid, 3-chloro,3-chlorobenzothiophene-2-carboxylic acid,pubchem18541,3-chloro-benzo b thiophene carboxylic acid,acmc-1coc0,cbmicro_009255
IUPAC Name	3-chloro-1-benzothiophene-2-carboxylic acid
InChI Key	HJTMIYKPPPYDRJ-UHFFFAOYSA-N
Molecular Formula	C9H5ClO2S

3,180

5-Fluorobenzo[b]thiophene-2-carboxylic acid, 96%

CAS: 70060-13-8 Molecular Formula: C9H5FO2S Molecular Weight (g/mol): 196.195 MDL Number: MFCD01927184 InChI Key: PLVPMOSTGNZKQQ-UHFFFAOYSA-N Synonym: 5-fluorobenzo b thiophene-2-carboxylic acid,5-fluoro-benzo b thiophene-2-carboxylic acid,benzo b thiophene-2-carboxylicacid, 5-fluoro,2-carboxy-5-fluoro-1-benzothiophene,5-fluoro-2-benzo b thiophenecarboxylic acid,5-fluoro-2-benzo-b thiophenecarboxylic acid,5-fluorobenzothiophene-2-carboxylic acid,benzo b thiophene-2-carboxylic acid, 5-fluoro PubChem CID: 901439 IUPAC Name: 5-fluoro-1-benzothiophene-2-carboxylic acid SMILES: C1=CC2=C(C=C1F)C=C(S2)C(=O)O

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Specifications

PubChem CID	901439
CAS	70060-13-8
Molecular Weight (g/mol)	196.195
MDL Number	MFCD01927184
SMILES	C1=CC2=C(C=C1F)C=C(S2)C(=O)O
Synonym	5-fluorobenzo b thiophene-2-carboxylic acid,5-fluoro-benzo b thiophene-2-carboxylic acid,benzo b thiophene-2-carboxylicacid, 5-fluoro,2-carboxy-5-fluoro-1-benzothiophene,5-fluoro-2-benzo b thiophenecarboxylic acid,5-fluoro-2-benzo-b thiophenecarboxylic acid,5-fluorobenzothiophene-2-carboxylic acid,benzo b thiophene-2-carboxylic acid, 5-fluoro
IUPAC Name	5-fluoro-1-benzothiophene-2-carboxylic acid
InChI Key	PLVPMOSTGNZKQQ-UHFFFAOYSA-N
Molecular Formula	C9H5FO2S

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