Thiophenes

Organic heterocyclic compounds that consist of a five-membered ring with four carbon atoms, and one sulfur atom.

1 – 15 of 251 results

1-Benzothiophene-2-carbaldehyde, 97%, Thermo Scientific™

CAS: 3541-37-5 Molecular Formula: C9H6OS Molecular Weight (g/mol): 162.21 MDL Number: MFCD01075041 InChI Key: NXSVNPSWARVMAY-UHFFFAOYSA-N Synonym: benzo b thiophene-2-carboxaldehyde,benzo b thiophene-2-carbaldehyde,thianaphthene-2-carboxaldehyde,benzothiophene-2-carboxaldehyde,acmc-209igo,2-formylbenzo b thiophene,2-benzothiophenecarbaldehyde,2-formyl-benzo b thiophene,benzothiophene-2-carbaldehyde,2-benzothiophenecarboxaldehyde PubChem CID: 736500 IUPAC Name: 1-benzothiophene-2-carbaldehyde SMILES: O=CC1=CC2=CC=CC=C2S1

Pricing and Availability
Specifications

PubChem CID	736500
CAS	3541-37-5
Molecular Weight (g/mol)	162.21
MDL Number	MFCD01075041
SMILES	O=CC1=CC2=CC=CC=C2S1
Synonym	benzo b thiophene-2-carboxaldehyde,benzo b thiophene-2-carbaldehyde,thianaphthene-2-carboxaldehyde,benzothiophene-2-carboxaldehyde,acmc-209igo,2-formylbenzo b thiophene,2-benzothiophenecarbaldehyde,2-formyl-benzo b thiophene,benzothiophene-2-carbaldehyde,2-benzothiophenecarboxaldehyde
IUPAC Name	1-benzothiophene-2-carbaldehyde
InChI Key	NXSVNPSWARVMAY-UHFFFAOYSA-N
Molecular Formula	C9H6OS

Thiophene-3-carboxylic acid, 97%, Thermo Scientific™

CAS: 88-13-1 Molecular Formula: C5H4O2S Molecular Weight (g/mol): 128.145 MDL Number: MFCD00005467 InChI Key: YNVOMSDITJMNET-UHFFFAOYSA-N Synonym: 3-thiophenecarboxylic acid,3-thenoic acid,3-thiophenezoic acid,beta-thiophenic acid,3-thienylcarboxylic acid,3-thiophene carboxylic acid,3-carboxythiophene,beta-thiophenecarboxylic acid,3-thiophenoic acid,unii-6v3012q6be PubChem CID: 6918 IUPAC Name: thiophene-3-carboxylic acid SMILES: C1=CSC=C1C(=O)O

Pricing and Availability
Specifications

PubChem CID	6918
CAS	88-13-1
Molecular Weight (g/mol)	128.145
MDL Number	MFCD00005467
SMILES	C1=CSC=C1C(=O)O
Synonym	3-thiophenecarboxylic acid,3-thenoic acid,3-thiophenezoic acid,beta-thiophenic acid,3-thienylcarboxylic acid,3-thiophene carboxylic acid,3-carboxythiophene,beta-thiophenecarboxylic acid,3-thiophenoic acid,unii-6v3012q6be
IUPAC Name	thiophene-3-carboxylic acid
InChI Key	YNVOMSDITJMNET-UHFFFAOYSA-N
Molecular Formula	C5H4O2S

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

Pricing and Availability
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-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

Pricing and Availability
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

5-Nitrothiophene-2-carbonitrile, 98%, Thermo Scientific™

CAS: 16689-02-4 Molecular Formula: C₅H₂N₂O₂S Molecular Weight (g/mol): 154.15 InChI Key: FLYONFCGDKAMIH-UHFFFAOYSA-N Synonym: 5-nitro-2-thiophenecarbonitrile,5-cyano-2-nitrothiophene,2-cyano-5-nitrothiophene,5-nitrothiophene-2-carbonitirile,5-nitro-thiophene-2-carbonitrile,2-thiophenecarbonitrile, 5-nitro,zlchem 478,maybridge1_005980,5-nitro-2-cyanothiophene,acmc-209dv8 PubChem CID: 519294 IUPAC Name: 5-nitrothiophene-2-carbonitrile SMILES: C1=C(SC(=C1)[N+](=O)[O-])C#N

Pricing and Availability
Specifications

PubChem CID	519294
CAS	16689-02-4
Molecular Weight (g/mol)	154.15
SMILES	C1=C(SC(=C1)[N+](=O)[O-])C#N
Synonym	5-nitro-2-thiophenecarbonitrile,5-cyano-2-nitrothiophene,2-cyano-5-nitrothiophene,5-nitrothiophene-2-carbonitirile,5-nitro-thiophene-2-carbonitrile,2-thiophenecarbonitrile, 5-nitro,zlchem 478,maybridge1_005980,5-nitro-2-cyanothiophene,acmc-209dv8
IUPAC Name	5-nitrothiophene-2-carbonitrile
InChI Key	FLYONFCGDKAMIH-UHFFFAOYSA-N
Molecular Formula	C₅H₂N₂O₂S

3-Methoxythiophene-2-carboxylic acid, 97%, Thermo Scientific™

CAS: 60166-83-8 Molecular Formula: C6H6O3S Molecular Weight (g/mol): 158.17 MDL Number: MFCD01316613 InChI Key: LSSMRBBQCHSDNS-UHFFFAOYSA-N PubChem CID: 1483475 IUPAC Name: 3-methoxythiophene-2-carboxylic acid SMILES: COC1=C(SC=C1)C(O)=O

Pricing and Availability
Specifications

PubChem CID	1483475
CAS	60166-83-8
Molecular Weight (g/mol)	158.17
MDL Number	MFCD01316613
SMILES	COC1=C(SC=C1)C(O)=O
IUPAC Name	3-methoxythiophene-2-carboxylic acid
InChI Key	LSSMRBBQCHSDNS-UHFFFAOYSA-N
Molecular Formula	C6H6O3S

methyle4-aminothiophene-3-carboxylate hydrochloride, 97%, Thermo Scientific™

CAS: 39978-14-8 Molecular Formula: C6H7NO2S Molecular Weight (g/mol): 157.19 MDL Number: MFCD00068149 InChI Key: BUFZZXCVOFBHLS-UHFFFAOYSA-N Synonym: methyl 4-aminothiophene-3-carboxylate hydrochloride,methyl 3-aminothiophene-4-carboxylate hydrochloride,3-carbomethoxy-4-aminothiophene hydrochloride,acmc-209zkz,methyl 4-aminothiophene-3-carboxylate, chloride,3-amino-4-methoxycarbonylthiophene hydrochloride,4-amino-3-methoxycarbonylthiophene hydrochloride,methyl3-aminothiophene-4-carboxylatehydrochloride,4-amino-3-methoxycarbonyl thiophene hydrochloride,methyl 4-aminothiophen-3-carboxylate hydrochloride PubChem CID: 2777609 IUPAC Name: methyl 4-aminothiophene-3-carboxylate;hydrochloride SMILES: COC(=O)C1=CSC=C1N

Pricing and Availability
Specifications

PubChem CID	2777609
CAS	39978-14-8
Molecular Weight (g/mol)	157.19
MDL Number	MFCD00068149
SMILES	COC(=O)C1=CSC=C1N
Synonym	methyl 4-aminothiophene-3-carboxylate hydrochloride,methyl 3-aminothiophene-4-carboxylate hydrochloride,3-carbomethoxy-4-aminothiophene hydrochloride,acmc-209zkz,methyl 4-aminothiophene-3-carboxylate, chloride,3-amino-4-methoxycarbonylthiophene hydrochloride,4-amino-3-methoxycarbonylthiophene hydrochloride,methyl3-aminothiophene-4-carboxylatehydrochloride,4-amino-3-methoxycarbonyl thiophene hydrochloride,methyl 4-aminothiophen-3-carboxylate hydrochloride
IUPAC Name	methyl 4-aminothiophene-3-carboxylate;hydrochloride
InChI Key	BUFZZXCVOFBHLS-UHFFFAOYSA-N
Molecular Formula	C6H7NO2S

5-Phenylthiophene-2-carboxylic acid, 95+%, Thermo Scientific™

CAS: 19163-24-7 Molecular Formula: C11H8O2S Molecular Weight (g/mol): 204.243 InChI Key: QGMFBCDNJUZQBZ-UHFFFAOYSA-N Synonym: 5-phenyl-2-thiophenecarboxylic acid,2-thiophenecarboxylic acid, 5-phenyl,5-phenyl-2-thiophene carboxylic acid,pubchem19533,5-phenyl-2-thenoic acid,2-carboxy-5-phenylthiophene,5-phenyl 2-thiophenecarboxylic acid,5-phenyl-thiophene-2-carboxylic acid PubChem CID: 736494 IUPAC Name: 5-phenylthiophene-2-carboxylic acid SMILES: C1=CC=C(C=C1)C2=CC=C(S2)C(=O)O

Pricing and Availability
Specifications

PubChem CID	736494
CAS	19163-24-7
Molecular Weight (g/mol)	204.243
SMILES	C1=CC=C(C=C1)C2=CC=C(S2)C(=O)O
Synonym	5-phenyl-2-thiophenecarboxylic acid,2-thiophenecarboxylic acid, 5-phenyl,5-phenyl-2-thiophene carboxylic acid,pubchem19533,5-phenyl-2-thenoic acid,2-carboxy-5-phenylthiophene,5-phenyl 2-thiophenecarboxylic acid,5-phenyl-thiophene-2-carboxylic acid
IUPAC Name	5-phenylthiophene-2-carboxylic acid
InChI Key	QGMFBCDNJUZQBZ-UHFFFAOYSA-N
Molecular Formula	C11H8O2S

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

Pricing and Availability
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

5-Methylthiophene-2-carbonyl chloride, 97%, Thermo Scientific™

CAS: 31555-59-6 Molecular Formula: C6H5ClOS Molecular Weight (g/mol): 160.615 MDL Number: MFCD00130092 InChI Key: DJCGIWVUKCNCAT-UHFFFAOYSA-N Synonym: 5-methyl-thiophene-2-carbonyl chloride,5-methyl-2-thiophenecarbonyl chloride,2-thiophenecarbonyl chloride, 5-methyl,2-thiophenecarbonylchloride, 5-methyl,5-methyl-2-thenoyl chloride,2-chlorocarbonyl-5-methylthiophene,5-methyl-thiophene-carboxylicacid chloride,5-methylthiophene-2-carboxylic acid chloride,5-methyl-thiophene-2-carboxylic acid chloride PubChem CID: 2760083 IUPAC Name: 5-methylthiophene-2-carbonyl chloride SMILES: CC1=CC=C(S1)C(=O)Cl

Pricing and Availability
Specifications

PubChem CID	2760083
CAS	31555-59-6
Molecular Weight (g/mol)	160.615
MDL Number	MFCD00130092
SMILES	CC1=CC=C(S1)C(=O)Cl
Synonym	5-methyl-thiophene-2-carbonyl chloride,5-methyl-2-thiophenecarbonyl chloride,2-thiophenecarbonyl chloride, 5-methyl,2-thiophenecarbonylchloride, 5-methyl,5-methyl-2-thenoyl chloride,2-chlorocarbonyl-5-methylthiophene,5-methyl-thiophene-carboxylicacid chloride,5-methylthiophene-2-carboxylic acid chloride,5-methyl-thiophene-2-carboxylic acid chloride
IUPAC Name	5-methylthiophene-2-carbonyl chloride
InChI Key	DJCGIWVUKCNCAT-UHFFFAOYSA-N
Molecular Formula	C6H5ClOS

2,5-Dichlorothiophene-3-carbonyl chloride, 95%, Thermo Scientific™

CAS: 57248-14-3 Molecular Formula: C5HCl3OS Molecular Weight (g/mol): 215.472 MDL Number: MFCD00041441 InChI Key: YGDFSMANOSKQRU-UHFFFAOYSA-N Synonym: 2,5-dichlorothiophene-3-carbonylchloride,2,5-dichloro-3-thiophenecarbonyl chloride,3-thiophenecarbonylchloride, 2,5-dichloro,pubchem15832,2,5-dichloro-3-thenoyl chloride,2,5-dichloro-3-thiophenecarbonylchloride,2,5-dichloro-thiophene-3-carbonyl chloride,2,5-bis chloranyl thiophene-3-carbonyl chloride PubChem CID: 2777084 IUPAC Name: 2,5-dichlorothiophene-3-carbonyl chloride SMILES: C1=C(SC(=C1C(=O)Cl)Cl)Cl

Pricing and Availability
Specifications

PubChem CID	2777084
CAS	57248-14-3
Molecular Weight (g/mol)	215.472
MDL Number	MFCD00041441
SMILES	C1=C(SC(=C1C(=O)Cl)Cl)Cl
Synonym	2,5-dichlorothiophene-3-carbonylchloride,2,5-dichloro-3-thiophenecarbonyl chloride,3-thiophenecarbonylchloride, 2,5-dichloro,pubchem15832,2,5-dichloro-3-thenoyl chloride,2,5-dichloro-3-thiophenecarbonylchloride,2,5-dichloro-thiophene-3-carbonyl chloride,2,5-bis chloranyl thiophene-3-carbonyl chloride
IUPAC Name	2,5-dichlorothiophene-3-carbonyl chloride
InChI Key	YGDFSMANOSKQRU-UHFFFAOYSA-N
Molecular Formula	C5HCl3OS

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

CAS: 40357-96-8 Molecular Formula: C5H3NO4S Molecular Weight (g/mol): 173.142 MDL Number: MFCD00052582 InChI Key: VNJUNWUOAKEIKG-UHFFFAOYSA-N Synonym: 5-nitrothiophene-3-carboxylic acid,2-nitrothiophene-4-carboxylic acid,5-nitro-thiophene-3-carboxylic acid,5-nitro-3-thiophenecarboxylic acid,3-thiophenecarboxylic acid, 5-nitro,maybridge1_003249,acmc-1ascr,2-nitro-4-carboxythiophene,ksc238c5f,2-nitro-4-thiophenecarboxylic acid PubChem CID: 2777267 SMILES: C1=C(SC=C1C(=O)O)[N+](=O)[O-]

Pricing and Availability
Specifications

PubChem CID	2777267
CAS	40357-96-8
Molecular Weight (g/mol)	173.142
MDL Number	MFCD00052582
SMILES	C1=C(SC=C1C(=O)O)[N+](=O)[O-]
Synonym	5-nitrothiophene-3-carboxylic acid,2-nitrothiophene-4-carboxylic acid,5-nitro-thiophene-3-carboxylic acid,5-nitro-3-thiophenecarboxylic acid,3-thiophenecarboxylic acid, 5-nitro,maybridge1_003249,acmc-1ascr,2-nitro-4-carboxythiophene,ksc238c5f,2-nitro-4-thiophenecarboxylic acid
InChI Key	VNJUNWUOAKEIKG-UHFFFAOYSA-N
Molecular Formula	C5H3NO4S

5-(Methylthio)thiophene-2-carbaldehyde, 90%, Thermo Scientific™

CAS: 24445-35-0 Molecular Formula: C6H6OS2 Molecular Weight (g/mol): 158.233 MDL Number: MFCD00173744 InChI Key: RKXYTFTZODXDEF-UHFFFAOYSA-N Synonym: 5-methylthio thiophene-2-carbaldehyde,5-methylthio thiophene-2-carboxaldehyde,5-methylsulfanyl thiophene-2-carbaldehyde,2-thiophenecarboxaldehyde,5-methylthio,2-formyl-5-methylthiothiphene,2-formyl-5-methylthio thiophene,5-methylmercapto-2-thiophenaldehyde,5-methylthio-2-thiophenecarbaldehyde,5-methylthiothiophene-2-carbaldehyde,5-methylmercaptothiophene-2-carbaldehyde PubChem CID: 2736997 IUPAC Name: 5-methylsulfanylthiophene-2-carbaldehyde SMILES: CSC1=CC=C(S1)C=O

Pricing and Availability
Specifications

PubChem CID	2736997
CAS	24445-35-0
Molecular Weight (g/mol)	158.233
MDL Number	MFCD00173744
SMILES	CSC1=CC=C(S1)C=O
Synonym	5-methylthio thiophene-2-carbaldehyde,5-methylthio thiophene-2-carboxaldehyde,5-methylsulfanyl thiophene-2-carbaldehyde,2-thiophenecarboxaldehyde,5-methylthio,2-formyl-5-methylthiothiphene,2-formyl-5-methylthio thiophene,5-methylmercapto-2-thiophenaldehyde,5-methylthio-2-thiophenecarbaldehyde,5-methylthiothiophene-2-carbaldehyde,5-methylmercaptothiophene-2-carbaldehyde
IUPAC Name	5-methylsulfanylthiophene-2-carbaldehyde
InChI Key	RKXYTFTZODXDEF-UHFFFAOYSA-N
Molecular Formula	C6H6OS2

Benzo[b]thiophene-2-carbohydrazide, 97%, Thermo Scientific™

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

Pricing and Availability
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

5-Methylthiophene-2-sulfonyl chloride, 97%, Thermo Scientific™

CAS: 55854-45-0 Molecular Formula: C5H5ClO2S2 Molecular Weight (g/mol): 196.66 MDL Number: MFCD05864499 InChI Key: QGGRRHYGHGJEKP-UHFFFAOYSA-N Synonym: 5-methyl-2-thiophenesulfonyl chloride,2-thiophenesulfonyl chloride, 5-methyl,5-methylthiophene-2-sulfonylchloride,5-methylthiophene-2-sulphonyl chloride,5-methyl-2-thienylsulfonyl chloride,chloro 5-methyl 2-thienyl sulfone,acmc-209lpu,5-methylthiophenesulphonyl chloride,5-methyl-thiophenesulfonyl chloride,2-chlorosulphonyl-5-methylthiophene PubChem CID: 12400112 IUPAC Name: 5-methylthiophene-2-sulfonyl chloride SMILES: CC1=CC=C(S1)S(Cl)(=O)=O

Pricing and Availability
Specifications

PubChem CID	12400112
CAS	55854-45-0
Molecular Weight (g/mol)	196.66
MDL Number	MFCD05864499
SMILES	CC1=CC=C(S1)S(Cl)(=O)=O
Synonym	5-methyl-2-thiophenesulfonyl chloride,2-thiophenesulfonyl chloride, 5-methyl,5-methylthiophene-2-sulfonylchloride,5-methylthiophene-2-sulphonyl chloride,5-methyl-2-thienylsulfonyl chloride,chloro 5-methyl 2-thienyl sulfone,acmc-209lpu,5-methylthiophenesulphonyl chloride,5-methyl-thiophenesulfonyl chloride,2-chlorosulphonyl-5-methylthiophene
IUPAC Name	5-methylthiophene-2-sulfonyl chloride
InChI Key	QGGRRHYGHGJEKP-UHFFFAOYSA-N
Molecular Formula	C5H5ClO2S2

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