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Thiophenes

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

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1

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

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
2

Methyl 3-aminothiophene-4-carboxylate hydrochloride, 97+%

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 SMILES: COC(=O)C1=CSC=C1N

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
InChI Key BUFZZXCVOFBHLS-UHFFFAOYSA-N
Molecular Formula C6H7NO2S
3

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

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
4

Benzo[b]thiophene-2-carboxaldehyde, 97%

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

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
5

2,5-Dibromo-3,4-dinitrothiophene, 95%

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

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
6

Thiophene-2-carboxylic hydrazide, 97%

CAS: 2361-27-5 Molecular Formula: C5H6N2OS Molecular Weight (g/mol): 142.176 MDL Number: MFCD00005435 InChI Key: SOGBOGBTIKMGFS-UHFFFAOYSA-N Synonym: 2-thiophenecarboxylic acid hydrazide,thiophene-2-carboxylic acid hydrazide,2-thenoylhydrazine,2-thiophenecarboxylic hydrazide,2-thiophenecarbohydrazide,thiophene-2-carboxylic hydrazide,2-thiophenecarboxylic acid, hydrazide,2-thiophenecarbohydrazonic acid,2-thienylcarboxylic acid hydrazide,2-thiophene carboxylic hydrazide PubChem CID: 73098 IUPAC Name: thiophene-2-carbohydrazide SMILES: C1=CSC(=C1)C(=O)NN

PubChem CID 73098
CAS 2361-27-5
Molecular Weight (g/mol) 142.176
MDL Number MFCD00005435
SMILES C1=CSC(=C1)C(=O)NN
Synonym 2-thiophenecarboxylic acid hydrazide,thiophene-2-carboxylic acid hydrazide,2-thenoylhydrazine,2-thiophenecarboxylic hydrazide,2-thiophenecarbohydrazide,thiophene-2-carboxylic hydrazide,2-thiophenecarboxylic acid, hydrazide,2-thiophenecarbohydrazonic acid,2-thienylcarboxylic acid hydrazide,2-thiophene carboxylic hydrazide
IUPAC Name thiophene-2-carbohydrazide
InChI Key SOGBOGBTIKMGFS-UHFFFAOYSA-N
Molecular Formula C5H6N2OS
7

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

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
8

2,5-Dimethylthiophene-3-boronic acid, 95%

CAS: 162607-23-0 Molecular Formula: C6H9BO2S Molecular Weight (g/mol): 156.01 MDL Number: MFCD09837620 InChI Key: RFQHMNWNEOZRLK-UHFFFAOYSA-N Synonym: 2,5-dimethylthiophene-3-boronic acid,2,5-dimethylthiophen-3-yl boronic acid,2,5-dimethyl-3-thienyl boronic acid,boronic acid,b-2,5-dimethyl-3-thienyl,2,5-dimethyl-3-thienylboronic acid,2,5-dimethylthien-3-ylboronic acid,boronic acid, 2,5-dimethyl-3-thienyl PubChem CID: 45588123 IUPAC Name: (2,5-dimethylthiophen-3-yl)boronic acid SMILES: CC1=CC(B(O)O)=C(C)S1

PubChem CID 45588123
CAS 162607-23-0
Molecular Weight (g/mol) 156.01
MDL Number MFCD09837620
SMILES CC1=CC(B(O)O)=C(C)S1
Synonym 2,5-dimethylthiophene-3-boronic acid,2,5-dimethylthiophen-3-yl boronic acid,2,5-dimethyl-3-thienyl boronic acid,boronic acid,b-2,5-dimethyl-3-thienyl,2,5-dimethyl-3-thienylboronic acid,2,5-dimethylthien-3-ylboronic acid,boronic acid, 2,5-dimethyl-3-thienyl
IUPAC Name (2,5-dimethylthiophen-3-yl)boronic acid
InChI Key RFQHMNWNEOZRLK-UHFFFAOYSA-N
Molecular Formula C6H9BO2S
9

5-Chlorothiophene-2-carboxylic acid, 98%

CAS: 24065-33-6 Molecular Formula: C5H3ClO2S Molecular Weight (g/mol): 162.59 MDL Number: MFCD00041426 InChI Key: QZLSBOVWPHXCLT-UHFFFAOYSA-N Synonym: 5-chloro-2-thiophenecarboxylic acid,2-thiophenecarboxylic acid, 5-chloro,2-chloro-5-carboxythiophene,5-chloro-2-thiophene carboxylic acid,pubchem7380,maybridge3_003717,acmc-209g8i,rivaroxaban related compound,5-18-06-00177 beilstein handbook reference,ksc204m2j PubChem CID: 95048 IUPAC Name: 5-chlorothiophene-2-carboxylic acid SMILES: OC(=O)C1=CC=C(Cl)S1

PubChem CID 95048
CAS 24065-33-6
Molecular Weight (g/mol) 162.59
MDL Number MFCD00041426
SMILES OC(=O)C1=CC=C(Cl)S1
Synonym 5-chloro-2-thiophenecarboxylic acid,2-thiophenecarboxylic acid, 5-chloro,2-chloro-5-carboxythiophene,5-chloro-2-thiophene carboxylic acid,pubchem7380,maybridge3_003717,acmc-209g8i,rivaroxaban related compound,5-18-06-00177 beilstein handbook reference,ksc204m2j
IUPAC Name 5-chlorothiophene-2-carboxylic acid
InChI Key QZLSBOVWPHXCLT-UHFFFAOYSA-N
Molecular Formula C5H3ClO2S
10

3-Bromo-2,5-dichlorothiophene, 97%

CAS: 60404-18-4 Molecular Formula: C4HBrCl2S Molecular Weight (g/mol): 231.92 MDL Number: MFCD00041440 InChI Key: PBUHOXBSIQJRNO-UHFFFAOYSA-N PubChem CID: 521925 IUPAC Name: 3-bromo-2,5-dichlorothiophene SMILES: ClC1=CC(Br)=C(Cl)S1

PubChem CID 521925
CAS 60404-18-4
Molecular Weight (g/mol) 231.92
MDL Number MFCD00041440
SMILES ClC1=CC(Br)=C(Cl)S1
IUPAC Name 3-bromo-2,5-dichlorothiophene
InChI Key PBUHOXBSIQJRNO-UHFFFAOYSA-N
Molecular Formula C4HBrCl2S
11

Benzo[b]thiophene-2-carboxylic acid, 98%

CAS: 6314-28-9 Molecular Formula: C9H6O2S Molecular Weight (g/mol): 178.21 MDL Number: MFCD00051636 InChI Key: DYSJMQABFPKAQM-UHFFFAOYSA-N Synonym: benzo b thiophene-2-carboxylic acid,thianaphthene-2-carboxylic acid,thionaphthene-2-carboxylic acid,tnca,benzothiophene-2-carboxylic acid,2-benzo b thiophenecarboxylic acid,unii-hlr49221fq,thionapthene-2-carboxylic acid,thianaphthene-2-carboxylicacid PubChem CID: 95864 IUPAC Name: 1-benzothiophene-2-carboxylic acid SMILES: OC(=O)C1=CC2=CC=CC=C2S1

PubChem CID 95864
CAS 6314-28-9
Molecular Weight (g/mol) 178.21
MDL Number MFCD00051636
SMILES OC(=O)C1=CC2=CC=CC=C2S1
Synonym benzo b thiophene-2-carboxylic acid,thianaphthene-2-carboxylic acid,thionaphthene-2-carboxylic acid,tnca,benzothiophene-2-carboxylic acid,2-benzo b thiophenecarboxylic acid,unii-hlr49221fq,thionapthene-2-carboxylic acid,thianaphthene-2-carboxylicacid
IUPAC Name 1-benzothiophene-2-carboxylic acid
InChI Key DYSJMQABFPKAQM-UHFFFAOYSA-N
Molecular Formula C9H6O2S
12

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

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
13

5-Acetylthiophene-2-carboxylic acid, 98+%

CAS: 4066-41-5 Molecular Formula: C7H6O3S Molecular Weight (g/mol): 170.182 MDL Number: MFCD00055512 InChI Key: LIKIMWYKJUFVJP-UHFFFAOYSA-N Synonym: 5-acetyl-2-thiophenecarboxylic acid,5-acetyltiophene-2-carboxylic acid,2-thiophenecarboxylic acid, 5-acetyl,5-acetyl-2-thenoic acid,acmc-1ae0g,5-carboxy-2-acetylthiophene,5-acetylthiophene-2-carboxylicacid,5-acetyl-thiophen-2-carboxylic acid,5-acetyl thiophene-2-carboxylic acid,5-acetyl-2-thiophene-carboxylic acid PubChem CID: 3742727 IUPAC Name: 5-acetylthiophene-2-carboxylic acid SMILES: CC(=O)C1=CC=C(S1)C(=O)O

PubChem CID 3742727
CAS 4066-41-5
Molecular Weight (g/mol) 170.182
MDL Number MFCD00055512
SMILES CC(=O)C1=CC=C(S1)C(=O)O
Synonym 5-acetyl-2-thiophenecarboxylic acid,5-acetyltiophene-2-carboxylic acid,2-thiophenecarboxylic acid, 5-acetyl,5-acetyl-2-thenoic acid,acmc-1ae0g,5-carboxy-2-acetylthiophene,5-acetylthiophene-2-carboxylicacid,5-acetyl-thiophen-2-carboxylic acid,5-acetyl thiophene-2-carboxylic acid,5-acetyl-2-thiophene-carboxylic acid
IUPAC Name 5-acetylthiophene-2-carboxylic acid
InChI Key LIKIMWYKJUFVJP-UHFFFAOYSA-N
Molecular Formula C7H6O3S
14

5-Methylthiophene-2-boronic acid, 98%

CAS: 162607-20-7 Molecular Formula: C5H7BO2S Molecular Weight (g/mol): 141.98 MDL Number: MFCD01318166 InChI Key: NRIYPIBRPGAWDD-UHFFFAOYSA-N Synonym: 5-methylthiophene-2-boronic acid,5-methylthiophen-2-yl boronic acid,5-methyl-2-thiopheneboronic acid,5-methyl-2-thienyl boronic acid,5-methyl-2-thienylboric acid,5-methylthiophen-2-yl boranediol,5-methyl-2-thienylboronic acid,5-methylthiophene-2-boronicacid,2-methylthiophene-5-boronic acid,2-methylthienyl-5-boronic acid PubChem CID: 2734374 IUPAC Name: (5-methylthiophen-2-yl)boronic acid SMILES: CC1=CC=C(S1)B(O)O

PubChem CID 2734374
CAS 162607-20-7
Molecular Weight (g/mol) 141.98
MDL Number MFCD01318166
SMILES CC1=CC=C(S1)B(O)O
Synonym 5-methylthiophene-2-boronic acid,5-methylthiophen-2-yl boronic acid,5-methyl-2-thiopheneboronic acid,5-methyl-2-thienyl boronic acid,5-methyl-2-thienylboric acid,5-methylthiophen-2-yl boranediol,5-methyl-2-thienylboronic acid,5-methylthiophene-2-boronicacid,2-methylthiophene-5-boronic acid,2-methylthienyl-5-boronic acid
IUPAC Name (5-methylthiophen-2-yl)boronic acid
InChI Key NRIYPIBRPGAWDD-UHFFFAOYSA-N
Molecular Formula C5H7BO2S
15

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

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