Thiophenes

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

1 – 15 of 197 results

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

Pricing and Availability
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

5-Nitrothiophene-2-carbonitrile, 98+%

CAS: 16689-02-4 Molecular Formula: C5H2N2O2S Molecular Weight (g/mol): 154.143 MDL Number: MFCD00052401 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)	154.143
MDL Number	MFCD00052401
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

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

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

3-Chlorothiophene-2-carboxylic acid, 97+%

CAS: 59337-89-2 Molecular Formula: C5H3ClO2S Molecular Weight (g/mol): 162.587 MDL Number: MFCD00043888 InChI Key: BXEAAHIHFFIMIE-UHFFFAOYSA-N Synonym: 3-chloro-2-thiophenecarboxylic acid,3-chlorothiophene-2-carboxylicacid,2-thiophenecarboxylic acid, chloro,3-chloro-thiophene-2-carboxylic acid,pubchem5491,chlorothiophenecarboxylic,acmc-20agf8,maybridge1_004006,ksc274e4d,3-chlorothiophenecarboxylic acid PubChem CID: 701269 IUPAC Name: 3-chlorothiophene-2-carboxylic acid SMILES: C1=CSC(=C1Cl)C(=O)O

Pricing and Availability
Specifications

PubChem CID	701269
CAS	59337-89-2
Molecular Weight (g/mol)	162.587
MDL Number	MFCD00043888
SMILES	C1=CSC(=C1Cl)C(=O)O
Synonym	3-chloro-2-thiophenecarboxylic acid,3-chlorothiophene-2-carboxylicacid,2-thiophenecarboxylic acid, chloro,3-chloro-thiophene-2-carboxylic acid,pubchem5491,chlorothiophenecarboxylic,acmc-20agf8,maybridge1_004006,ksc274e4d,3-chlorothiophenecarboxylic acid
IUPAC Name	3-chlorothiophene-2-carboxylic acid
InChI Key	BXEAAHIHFFIMIE-UHFFFAOYSA-N
Molecular Formula	C5H3ClO2S

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

4,5-Dibromothiophene-2-carboxaldehyde, 98%

CAS: 38071-22-6 Molecular Formula: C5H2Br2OS Molecular Weight (g/mol): 269.938 MDL Number: MFCD00225242 InChI Key: CHRAVDVWAPGZOY-UHFFFAOYSA-N Synonym: 4,5-dibromothiophene-2-carboxaldehyde,acmc-1afpx,4,5-dibromo-2-thenaldehyde,4,5-dibromo-2-formylthiophene,4,5-dibromo-2-thiophenecarbaldehyde PubChem CID: 813164 IUPAC Name: 4,5-dibromothiophene-2-carbaldehyde SMILES: C1=C(SC(=C1Br)Br)C=O

Pricing and Availability
Specifications

PubChem CID	813164
CAS	38071-22-6
Molecular Weight (g/mol)	269.938
MDL Number	MFCD00225242
SMILES	C1=C(SC(=C1Br)Br)C=O
Synonym	4,5-dibromothiophene-2-carboxaldehyde,acmc-1afpx,4,5-dibromo-2-thenaldehyde,4,5-dibromo-2-formylthiophene,4,5-dibromo-2-thiophenecarbaldehyde
IUPAC Name	4,5-dibromothiophene-2-carbaldehyde
InChI Key	CHRAVDVWAPGZOY-UHFFFAOYSA-N
Molecular Formula	C5H2Br2OS

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-Chlorothiophene-2-carboxaldehyde, 97%

CAS: 7283-96-7 Molecular Formula: C5H3ClOS Molecular Weight (g/mol): 146.59 MDL Number: MFCD00047090 InChI Key: VWYFITBWBRVBSW-UHFFFAOYSA-N Synonym: 5-chloro-2-thiophenecarboxaldehyde,2-chloro-5-thiophenecarboxaldehyde,5-chlorothiophene-2-carboxaldehyde,2-thiophenecarboxaldehyde, 5-chloro,5-chloro-2-formylthiophene,2-chloro-5-formylthiophene,5-chlorothiophene-2-aldehyde,5-chloro-2-thiophenecarbaldehyde,5-chloro-2-thiophene-carboxaldehyde,pubchem7742 PubChem CID: 81700 IUPAC Name: 5-chlorothiophene-2-carbaldehyde SMILES: ClC1=CC=C(S1)C=O

Pricing and Availability
Specifications

PubChem CID	81700
CAS	7283-96-7
Molecular Weight (g/mol)	146.59
MDL Number	MFCD00047090
SMILES	ClC1=CC=C(S1)C=O
Synonym	5-chloro-2-thiophenecarboxaldehyde,2-chloro-5-thiophenecarboxaldehyde,5-chlorothiophene-2-carboxaldehyde,2-thiophenecarboxaldehyde, 5-chloro,5-chloro-2-formylthiophene,2-chloro-5-formylthiophene,5-chlorothiophene-2-aldehyde,5-chloro-2-thiophenecarbaldehyde,5-chloro-2-thiophene-carboxaldehyde,pubchem7742
IUPAC Name	5-chlorothiophene-2-carbaldehyde
InChI Key	VWYFITBWBRVBSW-UHFFFAOYSA-N
Molecular Formula	C5H3ClOS

D-Gulonic acid-1,4-lactone, 98%

CAS: 6322-07-2 MDL Number: MFCD00005391

Pricing and Availability
Specifications

CAS	6322-07-2
MDL Number	MFCD00005391

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

Pricing and Availability
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

5-Nitrothiophene-2-carboxaldehyde, 98%

CAS: 4521-33-9 Molecular Formula: C5H3NO3S Molecular Weight (g/mol): 157.143 MDL Number: MFCD00005433 InChI Key: CHTSWZNXEKOLPM-UHFFFAOYSA-N Synonym: 5-nitrothiophene-2-carboxaldehyde,5-nitro-2-thiophenecarboxaldehyde,5-nitro-2-thiophenecarbaldehyde,5-nitro-thiophene-2-carbaldehyde,2-thiophenecarboxaldehyde, 5-nitro,5-nitrothiophene-2-aldehyde,thiophenecarboxaldehyde, 5-nitro,pubchem15668,5-nitrothiophen aldehyde,5-nitro-2-formyl-thiophene PubChem CID: 78281 IUPAC Name: 5-nitrothiophene-2-carbaldehyde SMILES: C1=C(SC(=C1)[N+](=O)[O-])C=O

Pricing and Availability
Specifications

PubChem CID	78281
CAS	4521-33-9
Molecular Weight (g/mol)	157.143
MDL Number	MFCD00005433
SMILES	C1=C(SC(=C1)[N+](=O)[O-])C=O
Synonym	5-nitrothiophene-2-carboxaldehyde,5-nitro-2-thiophenecarboxaldehyde,5-nitro-2-thiophenecarbaldehyde,5-nitro-thiophene-2-carbaldehyde,2-thiophenecarboxaldehyde, 5-nitro,5-nitrothiophene-2-aldehyde,thiophenecarboxaldehyde, 5-nitro,pubchem15668,5-nitrothiophen aldehyde,5-nitro-2-formyl-thiophene
IUPAC Name	5-nitrothiophene-2-carbaldehyde
InChI Key	CHTSWZNXEKOLPM-UHFFFAOYSA-N
Molecular Formula	C5H3NO3S

Benzo[b]thiophene-3-carboxylic acid, 96%

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

Thiophene-2,5-diboronic acid bis(pinacol) ester, 97%

CAS: 175361-81-6 Molecular Formula: C16H26B2O4S Molecular Weight (g/mol): 336.06 MDL Number: MFCD09800563 InChI Key: AOJXAKMKFDBHHT-UHFFFAOYSA-N Synonym: 2,5-bis-thiopheneboronic acid pinacol ester,2,5-bis 4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl thiophene,thiophene-2,5-diboronic acid bis pinacol ester,thiophene-2,5-diboronicacidbis pinacol ester,bis 4,4,5,5-tetramethyl-1,3-dioxaborolane-2,5-thiophene,2,5-bis 4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl thiophene,2,2'-thiene-2,5-diyl bis 4,4,5,5-tetramethyl-1,3,2-dioxaborolane,4,4,5,5-tetramethyl-2-5-4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl thiophen-2-yl-1,3,2-dioxaborolane,4,4,5,5-tetramethyl-2-5-tetramethyl-1,3,2-dioxaborolan-2-yl thiophen-2-yl-1,3,2-dioxaborolane PubChem CID: 23058061 IUPAC Name: 4,4,5,5-tetramethyl-2-[5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophen-2-yl]-1,3,2-dioxaborolane SMILES: CC1(C)OB(OC1(C)C)C1=CC=C(S1)B1OC(C)(C)C(C)(C)O1

Pricing and Availability
Specifications

PubChem CID	23058061
CAS	175361-81-6
Molecular Weight (g/mol)	336.06
MDL Number	MFCD09800563
SMILES	CC1(C)OB(OC1(C)C)C1=CC=C(S1)B1OC(C)(C)C(C)(C)O1
Synonym	2,5-bis-thiopheneboronic acid pinacol ester,2,5-bis 4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl thiophene,thiophene-2,5-diboronic acid bis pinacol ester,thiophene-2,5-diboronicacidbis pinacol ester,bis 4,4,5,5-tetramethyl-1,3-dioxaborolane-2,5-thiophene,2,5-bis 4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl thiophene,2,2'-thiene-2,5-diyl bis 4,4,5,5-tetramethyl-1,3,2-dioxaborolane,4,4,5,5-tetramethyl-2-5-4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl thiophen-2-yl-1,3,2-dioxaborolane,4,4,5,5-tetramethyl-2-5-tetramethyl-1,3,2-dioxaborolan-2-yl thiophen-2-yl-1,3,2-dioxaborolane
IUPAC Name	4,4,5,5-tetramethyl-2-[5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophen-2-yl]-1,3,2-dioxaborolane
InChI Key	AOJXAKMKFDBHHT-UHFFFAOYSA-N
Molecular Formula	C16H26B2O4S

2,5-Dibromo-3-methylthiophene, 98%

CAS: 13191-36-1 Molecular Formula: C5H4Br2S Molecular Weight (g/mol): 255.955 MDL Number: MFCD00015470 InChI Key: IHFXZROPBCBLLG-UHFFFAOYSA-N Synonym: thiophene, 2,5-dibromo-3-methyl,2,5-dibromo-3-methyl-thiophene,acmc-1bt3y,2-p-nitrophenylthio ethanol,2,5-dibrom-3-methylthiophen,3-methyl-2,5-dibromothiophene,2,5-dibromo-3-methylthiophene PubChem CID: 83219 IUPAC Name: 2,5-dibromo-3-methylthiophene SMILES: CC1=C(SC(=C1)Br)Br

Pricing and Availability
Specifications

PubChem CID	83219
CAS	13191-36-1
Molecular Weight (g/mol)	255.955
MDL Number	MFCD00015470
SMILES	CC1=C(SC(=C1)Br)Br
Synonym	thiophene, 2,5-dibromo-3-methyl,2,5-dibromo-3-methyl-thiophene,acmc-1bt3y,2-p-nitrophenylthio ethanol,2,5-dibrom-3-methylthiophen,3-methyl-2,5-dibromothiophene,2,5-dibromo-3-methylthiophene
IUPAC Name	2,5-dibromo-3-methylthiophene
InChI Key	IHFXZROPBCBLLG-UHFFFAOYSA-N
Molecular Formula	C5H4Br2S

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

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

Thiophenes

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