Thiophenes

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

1 – 15 of 122 results

Thiophene-2-carboxylic 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

3-Bromothiophene-2-carboxylic acid, 97%

CAS: 7311-64-0 Molecular Formula: C5H3BrO2S Molecular Weight (g/mol): 207.041 MDL Number: MFCD00052291 InChI Key: VQQLWBUTTMNMFT-UHFFFAOYSA-N Synonym: 3-bromo-2-thiophenecarboxylic acid,3-bromo-2-thenoic acid,2-thiophenecarboxylic acid, 3-bromo,3-bromo-thiophene-2-carboxylic acid,maybridge1_007344,3-bromothiophene-2-carboxylicacid,bromothiophenecarboxylic,pubchem10096,ksc494c9j,bromo-thiophene-2-carboxylic acid PubChem CID: 2739688 IUPAC Name: 3-bromothiophene-2-carboxylic acid SMILES: C1=CSC(=C1Br)C(=O)O

Pricing and Availability
Specifications

PubChem CID	2739688
CAS	7311-64-0
Molecular Weight (g/mol)	207.041
MDL Number	MFCD00052291
SMILES	C1=CSC(=C1Br)C(=O)O
Synonym	3-bromo-2-thiophenecarboxylic acid,3-bromo-2-thenoic acid,2-thiophenecarboxylic acid, 3-bromo,3-bromo-thiophene-2-carboxylic acid,maybridge1_007344,3-bromothiophene-2-carboxylicacid,bromothiophenecarboxylic,pubchem10096,ksc494c9j,bromo-thiophene-2-carboxylic acid
IUPAC Name	3-bromothiophene-2-carboxylic acid
InChI Key	VQQLWBUTTMNMFT-UHFFFAOYSA-N
Molecular Formula	C5H3BrO2S

5-Formyl-4-methylthiophene-2-boronic acid, 97%

CAS: 352530-25-7 Molecular Formula: C6H7BO3S Molecular Weight (g/mol): 169.99 MDL Number: MFCD03093890 InChI Key: QEIXJCOHLUKRPO-UHFFFAOYSA-N Synonym: 5-formyl-4-methylthiophen-2-yl boronic acid,5-borono-3-methylthiophene-2-carboxaldehyde,5-formyl-4-methylthiophene-2-boronic acid,zlchem 1324,acmc-209iey,5-borono-3-methylthiophene-2-carbaldehyde,b-5-formyl-4-methyl-2-thienyl boronic acid,boronicacid,b-5-formyl-4-methyl-2-thienyl PubChem CID: 46738927 IUPAC Name: (5-formyl-4-methylthiophen-2-yl)boronic acid SMILES: CC1=C(SC(=C1)B(O)O)C=O

Pricing and Availability
Specifications

PubChem CID	46738927
CAS	352530-25-7
Molecular Weight (g/mol)	169.99
MDL Number	MFCD03093890
SMILES	CC1=C(SC(=C1)B(O)O)C=O
Synonym	5-formyl-4-methylthiophen-2-yl boronic acid,5-borono-3-methylthiophene-2-carboxaldehyde,5-formyl-4-methylthiophene-2-boronic acid,zlchem 1324,acmc-209iey,5-borono-3-methylthiophene-2-carbaldehyde,b-5-formyl-4-methyl-2-thienyl boronic acid,boronicacid,b-5-formyl-4-methyl-2-thienyl
IUPAC Name	(5-formyl-4-methylthiophen-2-yl)boronic acid
InChI Key	QEIXJCOHLUKRPO-UHFFFAOYSA-N
Molecular Formula	C6H7BO3S

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

Dimethyl 4-aminothiophene-2,3-dicarboxylate hydrochloride, 97%

CAS: 121071-71-4 Molecular Formula: C8H10ClNO4S Molecular Weight (g/mol): 251.681 MDL Number: MFCD00205189 InChI Key: RETIFGMAGNDLAN-UHFFFAOYSA-N PubChem CID: 2808333 IUPAC Name: dimethyl 4-aminothiophene-2,3-dicarboxylate;hydrochloride SMILES: COC(=O)C1=C(SC=C1N)C(=O)OC.Cl

Pricing and Availability
Specifications

PubChem CID	2808333
CAS	121071-71-4
Molecular Weight (g/mol)	251.681
MDL Number	MFCD00205189
SMILES	COC(=O)C1=C(SC=C1N)C(=O)OC.Cl
IUPAC Name	dimethyl 4-aminothiophene-2,3-dicarboxylate;hydrochloride
InChI Key	RETIFGMAGNDLAN-UHFFFAOYSA-N
Molecular Formula	C8H10ClNO4S

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

Pricing and Availability
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

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

Pricing and Availability

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

Methyl 2,5-dichlorothiophene-3-carboxylate, 98%

CAS: 145129-54-0 Molecular Formula: C6H4Cl2O2S Molecular Weight (g/mol): 211.056 MDL Number: MFCD00051763 InChI Key: VCXPHMKCDRPIDG-UHFFFAOYSA-N Synonym: acmc-1c2sm,methyl 2,5-dichloro-3-thiophenecarboxylate,methyl-2,5-dichlorothiophene-3-carboxylate,methyl 2,5-dichloro-3-thiophenecarboxylate #,methyl 2,5-bis chloranyl thiophene-3-carboxylate,2,5-dichloro-3-thiophenecarboxylic acid methyl ester,3-thiophenecarboxylic acid, 2,5-dichloro-, methyl ester,3-thiophenecarboxylicacid, 2,5-dichloro-, methyl ester PubChem CID: 518961 IUPAC Name: methyl 2,5-dichlorothiophene-3-carboxylate SMILES: COC(=O)C1=C(SC(=C1)Cl)Cl

Pricing and Availability
Specifications

PubChem CID	518961
CAS	145129-54-0
Molecular Weight (g/mol)	211.056
MDL Number	MFCD00051763
SMILES	COC(=O)C1=C(SC(=C1)Cl)Cl
Synonym	acmc-1c2sm,methyl 2,5-dichloro-3-thiophenecarboxylate,methyl-2,5-dichlorothiophene-3-carboxylate,methyl 2,5-dichloro-3-thiophenecarboxylate #,methyl 2,5-bis chloranyl thiophene-3-carboxylate,2,5-dichloro-3-thiophenecarboxylic acid methyl ester,3-thiophenecarboxylic acid, 2,5-dichloro-, methyl ester,3-thiophenecarboxylicacid, 2,5-dichloro-, methyl ester
IUPAC Name	methyl 2,5-dichlorothiophene-3-carboxylate
InChI Key	VCXPHMKCDRPIDG-UHFFFAOYSA-N
Molecular Formula	C6H4Cl2O2S

2-Bromo-5-nitrothiophene, 97%

CAS: 13195-50-1 Molecular Formula: C4H2BrNO2S Molecular Weight (g/mol): 208.029 MDL Number: MFCD00022493 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)	208.029
MDL Number	MFCD00022493
SMILES	C1=C(SC(=C1)Br)[N+](=O)[O-]
IUPAC Name	2-bromo-5-nitrothiophene
InChI Key	ZPNFMDYBAQDFDY-UHFFFAOYSA-N
Molecular Formula	C4H2BrNO2S

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

Ethyl 2-amino-5-methylthiophene-3-carboxylate, 95%

CAS: 4815-32-1 Molecular Formula: C8H11NO2S Molecular Weight (g/mol): 185.241 MDL Number: MFCD01922142 InChI Key: AYBUNZGJQVYGTM-UHFFFAOYSA-N Synonym: 2-amino-5-methyl-thiophene-3-carboxylic acid ethyl ester,ethyl 2-amino-5-methyl-3-thiophenecarboxylate,2-amino-5-methylthiophene-3-carboxylic acid ethyl ester,3-thiophenecarboxylic acid, 2-amino-5-methyl-, ethyl ester,ethyl2-amino-5-methyl-3-thiophenecarboxylate,2-amino-5-methyl-3-thiophenecarboxylic acid ethyl ester,ethyl 2-amino-5-methyl-thiophene-3-carboxylate,ksc590m8t,aronis25101,2-amino-5-methyl-thiophene-3-carboxylicacidethylester PubChem CID: 4062885 IUPAC Name: ethyl 2-amino-5-methylthiophene-3-carboxylate SMILES: CCOC(=O)C1=C(SC(=C1)C)N

Pricing and Availability
Specifications

PubChem CID	4062885
CAS	4815-32-1
Molecular Weight (g/mol)	185.241
MDL Number	MFCD01922142
SMILES	CCOC(=O)C1=C(SC(=C1)C)N
Synonym	2-amino-5-methyl-thiophene-3-carboxylic acid ethyl ester,ethyl 2-amino-5-methyl-3-thiophenecarboxylate,2-amino-5-methylthiophene-3-carboxylic acid ethyl ester,3-thiophenecarboxylic acid, 2-amino-5-methyl-, ethyl ester,ethyl2-amino-5-methyl-3-thiophenecarboxylate,2-amino-5-methyl-3-thiophenecarboxylic acid ethyl ester,ethyl 2-amino-5-methyl-thiophene-3-carboxylate,ksc590m8t,aronis25101,2-amino-5-methyl-thiophene-3-carboxylicacidethylester
IUPAC Name	ethyl 2-amino-5-methylthiophene-3-carboxylate
InChI Key	AYBUNZGJQVYGTM-UHFFFAOYSA-N
Molecular Formula	C8H11NO2S

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

Ethyl 5-bromothiophene-2-carboxylate, 99%

CAS: 5751-83-7 Molecular Formula: C7H7BrO2S Molecular Weight (g/mol): 235.095 MDL Number: MFCD02683089 InChI Key: PZNHMXAOMDQLLE-UHFFFAOYSA-N Synonym: 5-bromothiophene-2-carboxylic acid ethyl ester,ethyl 5-bromo-2-thiophenecarboxylate,ethyl5-bromothiophene-2-carboxylate,5-bromo-thiophene-2-carboxylic acid ethyl ester,2-thiophenecarboxylic acid, 5-bromo-, ethyl ester,pubchem16118,acmc-209zz5,ksc494s9b,2-bromo-5-ethoxycarbonylthiophene,ethyl 5-bromothiophene-2carboxylate PubChem CID: 605723 IUPAC Name: ethyl 5-bromothiophene-2-carboxylate SMILES: CCOC(=O)C1=CC=C(S1)Br

Pricing and Availability
Specifications

PubChem CID	605723
CAS	5751-83-7
Molecular Weight (g/mol)	235.095
MDL Number	MFCD02683089
SMILES	CCOC(=O)C1=CC=C(S1)Br
Synonym	5-bromothiophene-2-carboxylic acid ethyl ester,ethyl 5-bromo-2-thiophenecarboxylate,ethyl5-bromothiophene-2-carboxylate,5-bromo-thiophene-2-carboxylic acid ethyl ester,2-thiophenecarboxylic acid, 5-bromo-, ethyl ester,pubchem16118,acmc-209zz5,ksc494s9b,2-bromo-5-ethoxycarbonylthiophene,ethyl 5-bromothiophene-2carboxylate
IUPAC Name	ethyl 5-bromothiophene-2-carboxylate
InChI Key	PZNHMXAOMDQLLE-UHFFFAOYSA-N
Molecular Formula	C7H7BrO2S

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

Pricing and Availability
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

Thiophenes

Filtered Search Results

Selected Filters

Narrow Results

Narrow Results