Thiophenes

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

Search Within Results

1 – 15 of 262 results

2,5-Dimethylthiophene, 98+%

CAS: 638-02-8 Molecular Formula: C6H8S Molecular Weight (g/mol): 112.19 MDL Number: MFCD00005452 InChI Key: GWQOOADXMVQEFT-UHFFFAOYSA-N Synonym: thiophene, 2,5-dimethyl,2,5-dimethyl-thiophene,unii-v6ddx6wb12,v6ddx6wb12,pubchem5194,2,5 dimethylthiophene,thiophene,5-dimethyl,2,5-dimethyl thiophene,thiophene,2,5-dimethyl,2,5-dimethyl-2h-thiolium PubChem CID: 12514 IUPAC Name: 2,5-dimethylthiophene SMILES: CC1=CC=C(S1)C

Pricing and Availability
Specifications

PubChem CID	12514
CAS	638-02-8
Molecular Weight (g/mol)	112.19
MDL Number	MFCD00005452
SMILES	CC1=CC=C(S1)C
Synonym	thiophene, 2,5-dimethyl,2,5-dimethyl-thiophene,unii-v6ddx6wb12,v6ddx6wb12,pubchem5194,2,5 dimethylthiophene,thiophene,5-dimethyl,2,5-dimethyl thiophene,thiophene,2,5-dimethyl,2,5-dimethyl-2h-thiolium
IUPAC Name	2,5-dimethylthiophene
InChI Key	GWQOOADXMVQEFT-UHFFFAOYSA-N
Molecular Formula	C6H8S

2-Thiophenecarboxylic acid, 99%

CAS: 527-72-0 Molecular Formula: C5H4O2S Molecular Weight (g/mol): 128.15 MDL Number: MFCD00005437 InChI Key: QERYCTSHXKAMIS-UHFFFAOYSA-N Synonym: 2-thiophenecarboxylic acid,2-thenoic acid,2-carboxythiophene,2-thiophenic acid,2-thienylcarboxylic acid,alpha-thiophenecarboxylic acid,2-tca,thiophene-2-carboxylate,tenoic acid,.alpha.-thiophenecarboxylic acid PubChem CID: 10700 ChEBI: CHEBI:71241 IUPAC Name: thiophene-2-carboxylic acid SMILES: OC(=O)C1=CC=CS1

Pricing and Availability
Specifications

PubChem CID	10700
CAS	527-72-0
Molecular Weight (g/mol)	128.15
ChEBI	CHEBI:71241
MDL Number	MFCD00005437
SMILES	OC(=O)C1=CC=CS1
Synonym	2-thiophenecarboxylic acid,2-thenoic acid,2-carboxythiophene,2-thiophenic acid,2-thienylcarboxylic acid,alpha-thiophenecarboxylic acid,2-tca,thiophene-2-carboxylate,tenoic acid,.alpha.-thiophenecarboxylic acid
IUPAC Name	thiophene-2-carboxylic acid
InChI Key	QERYCTSHXKAMIS-UHFFFAOYSA-N
Molecular Formula	C5H4O2S

2-Bromo-5-nitrothiophene, 97%

CAS: 13195-50-1 Molecular Formula: C₄H₂BrNO₂S Molecular Weight (g/mol): 208.03 InChI Key: ZPNFMDYBAQDFDY-UHFFFAOYSA-N PubChem CID: 83222 IUPAC Name: 2-bromo-5-nitrothiophene SMILES: C1=C(SC(=C1)Br)[N+](=O)[O-]

Pricing and Availability
Specifications

PubChem CID	83222
CAS	13195-50-1
Molecular Weight (g/mol)	208.03
SMILES	C1=C(SC(=C1)Br)[N+](=O)[O-]
IUPAC Name	2-bromo-5-nitrothiophene
InChI Key	ZPNFMDYBAQDFDY-UHFFFAOYSA-N
Molecular Formula	C₄H₂BrNO₂S

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

Pricing and Availability
Specifications

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

Thiophene-3-carboxylic acid, 99%

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

Methyl 3-amino-5-methylthiophene-2-carboxylate, 97%

CAS: 76575-71-8 Molecular Formula: C7H9NO2S Molecular Weight (g/mol): 171.21 MDL Number: MFCD00130095 InChI Key: FVKMOPIFLCMZMI-UHFFFAOYSA-N Synonym: 3-amino-5-methyl-thiophene-2-carboxylic acid methyl ester,methyl 3-amino-5-methyl thiophene-2-carboxylate,3-amino-5-methylthiophene-2-carboxylic acid methyl ester,2-thiophenecarboxylic acid, 3-amino-5-methyl-, methyl ester,methyl3-amino-5-methylthiophene-2-carboxylate,3-amino-5-methylthiophene-2-carboxylate,3-amino-5-methyl-thiophene-2-carboxylic acid,methyl 3-amino-5-methylthiophen-2-carboxylate,methyl-3-amino-5-methylthiophene-2-carboxylate,3-amino-5-methyl-2-thiophene-carboxylic acid, methyl ester PubChem CID: 818952 IUPAC Name: methyl 3-amino-5-methylthiophene-2-carboxylate SMILES: COC(=O)C1=C(N)C=C(C)S1

Pricing and Availability
Specifications

PubChem CID	818952
CAS	76575-71-8
Molecular Weight (g/mol)	171.21
MDL Number	MFCD00130095
SMILES	COC(=O)C1=C(N)C=C(C)S1
Synonym	3-amino-5-methyl-thiophene-2-carboxylic acid methyl ester,methyl 3-amino-5-methyl thiophene-2-carboxylate,3-amino-5-methylthiophene-2-carboxylic acid methyl ester,2-thiophenecarboxylic acid, 3-amino-5-methyl-, methyl ester,methyl3-amino-5-methylthiophene-2-carboxylate,3-amino-5-methylthiophene-2-carboxylate,3-amino-5-methyl-thiophene-2-carboxylic acid,methyl 3-amino-5-methylthiophen-2-carboxylate,methyl-3-amino-5-methylthiophene-2-carboxylate,3-amino-5-methyl-2-thiophene-carboxylic acid, methyl ester
IUPAC Name	methyl 3-amino-5-methylthiophene-2-carboxylate
InChI Key	FVKMOPIFLCMZMI-UHFFFAOYSA-N
Molecular Formula	C7H9NO2S

5-(5-Chloro-1,2,4-thiadiazol-3-yl)thiophene-2-sulfonyl chloride, ≥95%, Thermo Scientific™

CAS: 306937-21-3 Molecular Formula: C6H2Cl2N2O2S3 Molecular Weight (g/mol): 301.174 MDL Number: MFCD02180888 InChI Key: DCLCBWFFYZNVES-UHFFFAOYSA-N Synonym: 5-5-chloro-1,2,4-thiadiazol-3-yl thiophene-2-sulfonyl chloride,2-thiophenesulfonylchloride, 5-5-chloro-1,2,4-thiadiazol-3-yl,2-5-chloro-1,2,4-thiadiazol-3-yl thiophene-5-sulfonyl chloride,5-5-chloro-1,2,4-thiadiazol-3-yl-2-thiophenesulfonyl chloride,5-5-chloro-1,2,4-thiadiazol-3-yl-thiophene-2-sulfonyl chloride PubChem CID: 2735820 IUPAC Name: 5-(5-chloro-1,2,4-thiadiazol-3-yl)thiophene-2-sulfonyl chloride SMILES: C1=C(SC(=C1)S(=O)(=O)Cl)C2=NSC(=N2)Cl

Pricing and Availability
Specifications

PubChem CID	2735820
CAS	306937-21-3
Molecular Weight (g/mol)	301.174
MDL Number	MFCD02180888
SMILES	C1=C(SC(=C1)S(=O)(=O)Cl)C2=NSC(=N2)Cl
Synonym	5-5-chloro-1,2,4-thiadiazol-3-yl thiophene-2-sulfonyl chloride,2-thiophenesulfonylchloride, 5-5-chloro-1,2,4-thiadiazol-3-yl,2-5-chloro-1,2,4-thiadiazol-3-yl thiophene-5-sulfonyl chloride,5-5-chloro-1,2,4-thiadiazol-3-yl-2-thiophenesulfonyl chloride,5-5-chloro-1,2,4-thiadiazol-3-yl-thiophene-2-sulfonyl chloride
IUPAC Name	5-(5-chloro-1,2,4-thiadiazol-3-yl)thiophene-2-sulfonyl chloride
InChI Key	DCLCBWFFYZNVES-UHFFFAOYSA-N
Molecular Formula	C6H2Cl2N2O2S3

2-Bromo-5-chlorothiophene, 97%

CAS: 2873-18-9 Molecular Formula: C4H2BrClS Molecular Weight (g/mol): 197.47 MDL Number: MFCD00014523 InChI Key: ZFAJPWYXLYGUJU-UHFFFAOYSA-N Synonym: 2-chloro-5-bromothiophene,5-bromo-2-chlorothiophene,2-chloro-5-bromo thiophene,thiophene, 2-bromo-5-chloro,2-brom-5-chlorthiophen,pubchem5279,acmc-1cs3j,2-bromo-5-chloro-thiophene,5-bromo-2-chloro-thiophene,ksc207m3t PubChem CID: 76133 IUPAC Name: 2-bromo-5-chlorothiophene SMILES: ClC1=CC=C(Br)S1

Pricing and Availability
Specifications

PubChem CID	76133
CAS	2873-18-9
Molecular Weight (g/mol)	197.47
MDL Number	MFCD00014523
SMILES	ClC1=CC=C(Br)S1
Synonym	2-chloro-5-bromothiophene,5-bromo-2-chlorothiophene,2-chloro-5-bromo thiophene,thiophene, 2-bromo-5-chloro,2-brom-5-chlorthiophen,pubchem5279,acmc-1cs3j,2-bromo-5-chloro-thiophene,5-bromo-2-chloro-thiophene,ksc207m3t
IUPAC Name	2-bromo-5-chlorothiophene
InChI Key	ZFAJPWYXLYGUJU-UHFFFAOYSA-N
Molecular Formula	C4H2BrClS

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

Pricing and Availability
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

PubChem CID	10700
CAS	527-72-0
Molecular Weight (g/mol)	128.15
ChEBI	CHEBI:71241
MDL Number	MFCD00005437
SMILES	OC(=O)C1=CC=CS1
Synonym	2-thiophenecarboxylic acid,2-thenoic acid,2-carboxythiophene,2-thiophenic acid,2-thienylcarboxylic acid,alpha-thiophenecarboxylic acid,2-tca,thiophene-2-carboxylate,tenoic acid,.alpha.-thiophenecarboxylic acid
IUPAC Name	thiophene-2-carboxylic acid
InChI Key	QERYCTSHXKAMIS-UHFFFAOYSA-N
Molecular Formula	C5H4O2S

3-Ethoxythiophene-2-carboxylic acid, 97%

CAS: 139926-23-1 Molecular Formula: C7H8O3S Molecular Weight (g/mol): 172.198 MDL Number: MFCD00205205 InChI Key: FTKDCOINUAYGTC-UHFFFAOYSA-N PubChem CID: 2777652 IUPAC Name: 3-ethoxythiophene-2-carboxylic acid SMILES: CCOC1=C(SC=C1)C(=O)O

Pricing and Availability
Specifications

PubChem CID	2777652
CAS	139926-23-1
Molecular Weight (g/mol)	172.198
MDL Number	MFCD00205205
SMILES	CCOC1=C(SC=C1)C(=O)O
IUPAC Name	3-ethoxythiophene-2-carboxylic acid
InChI Key	FTKDCOINUAYGTC-UHFFFAOYSA-N
Molecular Formula	C7H8O3S

Methyl 3-aminobenzo[b]thiophene-2-carboxylate, 97%

CAS: 35212-85-2 Molecular Formula: C10H9NO2S Molecular Weight (g/mol): 207.247 MDL Number: MFCD00206744 InChI Key: VLHHEYMZLXKSQO-UHFFFAOYSA-N Synonym: methyl 3-aminobenzo b thiophene-2-carboxylate,benzo b thiophene-2-carboxylic acid, 3-amino-, methyl ester,cbmicro_030710,2-carbomethoxy-3-aminobenzothiophene,methyl 3-aminobenzothiophene-2-carboxylate,methyl-3-aminobenzothiophene-2-carboxylate,3-amino-2-methoxycarbonyl-1-benzothiophene,methyl 3-amino-benzo b thiophene-2-carboxylate,methyl 3-azanyl-1-benzothiophene-2-carboxylate,amino-benzo b thiophene-2-carboxylic acid methyl ester PubChem CID: 874720 IUPAC Name: methyl 3-amino-1-benzothiophene-2-carboxylate SMILES: COC(=O)C1=C(C2=CC=CC=C2S1)N

Pricing and Availability
Specifications

PubChem CID	874720
CAS	35212-85-2
Molecular Weight (g/mol)	207.247
MDL Number	MFCD00206744
SMILES	COC(=O)C1=C(C2=CC=CC=C2S1)N
Synonym	methyl 3-aminobenzo b thiophene-2-carboxylate,benzo b thiophene-2-carboxylic acid, 3-amino-, methyl ester,cbmicro_030710,2-carbomethoxy-3-aminobenzothiophene,methyl 3-aminobenzothiophene-2-carboxylate,methyl-3-aminobenzothiophene-2-carboxylate,3-amino-2-methoxycarbonyl-1-benzothiophene,methyl 3-amino-benzo b thiophene-2-carboxylate,methyl 3-azanyl-1-benzothiophene-2-carboxylate,amino-benzo b thiophene-2-carboxylic acid methyl ester
IUPAC Name	methyl 3-amino-1-benzothiophene-2-carboxylate
InChI Key	VLHHEYMZLXKSQO-UHFFFAOYSA-N
Molecular Formula	C10H9NO2S

3-Amino-4-phenyl-5-(trifluoromethyl)thiophene-2-carboxylic acid, ≥95%, Thermo Scientific™

Pricing and Availability

2-Nitrothiophene, tech. 85%

CAS: 609-40-5 Molecular Formula: C4H3NO2S Molecular Weight (g/mol): 129.133 MDL Number: MFCD00005425 InChI Key: JIZRGGUCOQKGQD-UHFFFAOYSA-N Synonym: thiophene, 2-nitro,2-nitro-thiophene,2-nitro thiophene,2-nitrothiophene, tech,nitrothiophene,2-nitrothiofene,pubchem5570,2-nitrothiophene, tech.,acmc-1aw2t,wln: t5sj bnw PubChem CID: 11866 IUPAC Name: 2-nitrothiophene SMILES: C1=CSC(=C1)[N+](=O)[O-]

Pricing and Availability
Specifications

PubChem CID	11866
CAS	609-40-5
Molecular Weight (g/mol)	129.133
MDL Number	MFCD00005425
SMILES	C1=CSC(=C1)[N+](=O)[O-]
Synonym	thiophene, 2-nitro,2-nitro-thiophene,2-nitro thiophene,2-nitrothiophene, tech,nitrothiophene,2-nitrothiofene,pubchem5570,2-nitrothiophene, tech.,acmc-1aw2t,wln: t5sj bnw
IUPAC Name	2-nitrothiophene
InChI Key	JIZRGGUCOQKGQD-UHFFFAOYSA-N
Molecular Formula	C4H3NO2S

4,5-Dimethylthiophene-2-carboxaldehyde, 97%

Pricing and Availability

Thiophenes

Filtered Search Results

Narrow Results