Thiophenes

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

1 – 15 of 261 results

2,5-Dimethylthiophene, 98.5%, Thermo Scientific Chemicals

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

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Specifications

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

4-Chlorobenzo[b]thiophene-2-carboxylic acid, 97%, Thermo Scientific Chemicals

CAS: 23967-57-9 Molecular Formula: C9H5ClO2S Molecular Weight (g/mol): 212.647 MDL Number: MFCD06655155 InChI Key: IPAXPERGAMNMIJ-UHFFFAOYSA-N Synonym: 4-chlorobenzo b thiophene-2-carboxylic acid,4-chloro-benzo b thiophene-2-carboxylic acid,benzo b thiophene-2-carboxylic acid, 4-chloro,4-chloro benzo b thiophene-2-carboxylic acid,4-chlorobenzothiophene-2-carboxylate,4-chlorobenzothiophene-2-carboxylic acid,2-carboxy-4-chlorobenzo b thiophene,4-chloro-2-benzo b thiophenecarboxylic acid PubChem CID: 3854516 IUPAC Name: 4-chloro-1-benzothiophene-2-carboxylic acid SMILES: C1=CC2=C(C=C(S2)C(=O)O)C(=C1)Cl

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Specifications

PubChem CID	3854516
CAS	23967-57-9
Molecular Weight (g/mol)	212.647
MDL Number	MFCD06655155
SMILES	C1=CC2=C(C=C(S2)C(=O)O)C(=C1)Cl
Synonym	4-chlorobenzo b thiophene-2-carboxylic acid,4-chloro-benzo b thiophene-2-carboxylic acid,benzo b thiophene-2-carboxylic acid, 4-chloro,4-chloro benzo b thiophene-2-carboxylic acid,4-chlorobenzothiophene-2-carboxylate,4-chlorobenzothiophene-2-carboxylic acid,2-carboxy-4-chlorobenzo b thiophene,4-chloro-2-benzo b thiophenecarboxylic acid
IUPAC Name	4-chloro-1-benzothiophene-2-carboxylic acid
InChI Key	IPAXPERGAMNMIJ-UHFFFAOYSA-N
Molecular Formula	C9H5ClO2S

3,4-Diaminothiophene dihydrochloride, 96%, Thermo Scientific Chemicals

CAS: 90069-81-1 Molecular Formula: C₄H₆N₂S·₂HCl Molecular Weight (g/mol): 187.09 MDL Number: MFCD00671511 InChI Key: RAMOMCXNLLLICQ-UHFFFAOYSA-N Synonym: 3,4-diaminothiophene dihydrochloride,thiophene-3,4-diamine dihydrochloride,3,4-diaminothiophenedihydrochloride,pubchem21822,acmc-209r4q,3,4-diaminothiophene 2hcl,3?4-diaminothiophene dihydrochloride,3,4-thiophenediamine, dihydrochloride,thiophene-3,4-diamine-hydrogen chloride 1/2 PubChem CID: 12707342 IUPAC Name: thiophene-3,4-diamine;dihydrochloride SMILES: C1=C(C(=CS1)N)N.Cl.Cl

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Specifications

PubChem CID	12707342
CAS	90069-81-1
Molecular Weight (g/mol)	187.09
MDL Number	MFCD00671511
SMILES	C1=C(C(=CS1)N)N.Cl.Cl
Synonym	3,4-diaminothiophene dihydrochloride,thiophene-3,4-diamine dihydrochloride,3,4-diaminothiophenedihydrochloride,pubchem21822,acmc-209r4q,3,4-diaminothiophene 2hcl,3?4-diaminothiophene dihydrochloride,3,4-thiophenediamine, dihydrochloride,thiophene-3,4-diamine-hydrogen chloride 1/2
IUPAC Name	thiophene-3,4-diamine;dihydrochloride
InChI Key	RAMOMCXNLLLICQ-UHFFFAOYSA-N
Molecular Formula	C₄H₆N₂S·₂HCl

5-Chlorothiophene-2-carboxylic acid, 98%, Thermo Scientific Chemicals

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

Pricing and Availability
Specifications

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

2,3,5-Tribromothiophene, 98%, Thermo Scientific™

CAS: 3141-24-0 Molecular Formula: C4HBr3S Molecular Weight (g/mol): 320.82 MDL Number: MFCD00014521 InChI Key: SKDNDSLDRLEELJ-UHFFFAOYSA-N Synonym: thiophene, 2,3,5-tribromo,pubchem5608,2,5-tribromothiophene,acmc-209hmg,thiophene,3,5-tribromo,2,3,5-tribromo thiophene,ksc225k9l,2,3,5-tribromothiophene PubChem CID: 76592 IUPAC Name: 2,3,5-tribromothiophene SMILES: BrC1=CC(Br)=C(Br)S1

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Specifications

PubChem CID	76592
CAS	3141-24-0
Molecular Weight (g/mol)	320.82
MDL Number	MFCD00014521
SMILES	BrC1=CC(Br)=C(Br)S1
Synonym	thiophene, 2,3,5-tribromo,pubchem5608,2,5-tribromothiophene,acmc-209hmg,thiophene,3,5-tribromo,2,3,5-tribromo thiophene,ksc225k9l,2,3,5-tribromothiophene
IUPAC Name	2,3,5-tribromothiophene
InChI Key	SKDNDSLDRLEELJ-UHFFFAOYSA-N
Molecular Formula	C4HBr3S

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

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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

Benzo[b]thiophene-2-carbonyl chloride, 98%, Thermo Scientific™

CAS: 39827-11-7 Molecular Formula: C9H5ClOS Molecular Weight (g/mol): 196.648 MDL Number: MFCD00051635 InChI Key: DNGLRCHMGDDHNC-UHFFFAOYSA-N Synonym: benzo b thiophene-2-carbonyl chloride,thianaphthene-2-carbonyl chloride,benzo b thiophene-2-carbonylchloride,acmc-20alq1,2-benzthiophenecarbonylchloride,2-benzothiophenecarbonyl chloride,benzothiophene-2-carbonyl chloride,2-benzo b thiophenecarbonyl chloride,2-chlorocarbonyl-1-benzothiophene PubChem CID: 142384 IUPAC Name: 1-benzothiophene-2-carbonyl chloride SMILES: C1=CC=C2C(=C1)C=C(S2)C(=O)Cl

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Specifications

PubChem CID	142384
CAS	39827-11-7
Molecular Weight (g/mol)	196.648
MDL Number	MFCD00051635
SMILES	C1=CC=C2C(=C1)C=C(S2)C(=O)Cl
Synonym	benzo b thiophene-2-carbonyl chloride,thianaphthene-2-carbonyl chloride,benzo b thiophene-2-carbonylchloride,acmc-20alq1,2-benzthiophenecarbonylchloride,2-benzothiophenecarbonyl chloride,benzothiophene-2-carbonyl chloride,2-benzo b thiophenecarbonyl chloride,2-chlorocarbonyl-1-benzothiophene
IUPAC Name	1-benzothiophene-2-carbonyl chloride
InChI Key	DNGLRCHMGDDHNC-UHFFFAOYSA-N
Molecular Formula	C9H5ClOS

2,3,5-Trichlorothiophene, 97%, Thermo Scientific™

CAS: 17249-77-3 Molecular Formula: C4HCl3S Molecular Weight (g/mol): 187.462 MDL Number: MFCD01318176 InChI Key: AZIFHMYTYFPVMV-UHFFFAOYSA-N Synonym: thiophene, 2,3,5-trichloro,2,3,5-trichloro-thiophene,acmc-1ch2b,thiophene,2,3,5-trichloro PubChem CID: 123374 IUPAC Name: 2,3,5-trichlorothiophene SMILES: C1=C(SC(=C1Cl)Cl)Cl

Pricing and Availability
Specifications

PubChem CID	123374
CAS	17249-77-3
Molecular Weight (g/mol)	187.462
MDL Number	MFCD01318176
SMILES	C1=C(SC(=C1Cl)Cl)Cl
Synonym	thiophene, 2,3,5-trichloro,2,3,5-trichloro-thiophene,acmc-1ch2b,thiophene,2,3,5-trichloro
IUPAC Name	2,3,5-trichlorothiophene
InChI Key	AZIFHMYTYFPVMV-UHFFFAOYSA-N
Molecular Formula	C4HCl3S

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

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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

Methyl 3-amino-2-thiophenecarboxylate, 99%, Thermo Scientific Chemicals

CAS: 22288-78-4 Molecular Formula: C6H7NO2S Molecular Weight (g/mol): 157.19 MDL Number: MFCD00009765 InChI Key: TWEQNZZOOFKOER-UHFFFAOYSA-N Synonym: methyl 3-amino-2-thiophenecarboxylate,3-aminothiophene-2-carboxylic acid methyl ester,2-thiophenecarboxylic acid, 3-amino-, methyl ester,3-amino-thiophene-2-carboxylic acid methyl ester,3-amino-2-thiophenecarboxylic acid methyl ester,methyl 3-amino-2-thiophene carboxylate,methyl-3-amino-thiophene-2-carboxylate,3-amino-2-carbomethoxythiophene,3-amino-2-methoxycarbonylthiophene,methyl3-aminothiophene-2-carboxylate PubChem CID: 89652 IUPAC Name: methyl 3-aminothiophene-2-carboxylate SMILES: COC(=O)C1=C(N)C=CS1

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Specifications

PubChem CID	89652
CAS	22288-78-4
Molecular Weight (g/mol)	157.19
MDL Number	MFCD00009765
SMILES	COC(=O)C1=C(N)C=CS1
Synonym	methyl 3-amino-2-thiophenecarboxylate,3-aminothiophene-2-carboxylic acid methyl ester,2-thiophenecarboxylic acid, 3-amino-, methyl ester,3-amino-thiophene-2-carboxylic acid methyl ester,3-amino-2-thiophenecarboxylic acid methyl ester,methyl 3-amino-2-thiophene carboxylate,methyl-3-amino-thiophene-2-carboxylate,3-amino-2-carbomethoxythiophene,3-amino-2-methoxycarbonylthiophene,methyl3-aminothiophene-2-carboxylate
IUPAC Name	methyl 3-aminothiophene-2-carboxylate
InChI Key	TWEQNZZOOFKOER-UHFFFAOYSA-N
Molecular Formula	C6H7NO2S

5-[2-Methyl-3-(trifluoromethyl)-1H-2lambda∼5∼-pyrazol-5-yl]-2-thiophenecarboxylic acid, 97%, Thermo Scientific™

CAS: 223499-20-5 Molecular Formula: C10H7F3N2O2S Molecular Weight (g/mol): 276.233 MDL Number: MFCD00206674 InChI Key: MGYVPTDPOYVOQK-UHFFFAOYSA-N Synonym: 5-1-methyl-5-trifluoromethyl pyrazol-3-yl thiophene-2-carboxylic acid,5-1-methyl-5-trifluoromethyl-1h-pyrazol-3-yl thiophene-2-carboxylic acid,3-5-carboxythien-2-yl-1-methyl-5-trifluoromethyl-1h-pyrazole,2-thiophenecarboxylicacid, 5-1-methyl-5-trifluoromethyl-1h-pyrazol-3-yl,5-1-methyl-5-trifluoromethyl-1h-pyrazol-3-yl-thiophene-2-carboxylic acid,5-1-methyl-5-trifluoromethyl-1h-pyrazole-3-yl-2-thiophenecarboxylic acid PubChem CID: 2775669 IUPAC Name: 5-[1-methyl-5-(trifluoromethyl)pyrazol-3-yl]thiophene-2-carboxylic acid SMILES: CN1C(=CC(=N1)C2=CC=C(S2)C(=O)O)C(F)(F)F

Pricing and Availability
Specifications

PubChem CID	2775669
CAS	223499-20-5
Molecular Weight (g/mol)	276.233
MDL Number	MFCD00206674
SMILES	CN1C(=CC(=N1)C2=CC=C(S2)C(=O)O)C(F)(F)F
Synonym	5-1-methyl-5-trifluoromethyl pyrazol-3-yl thiophene-2-carboxylic acid,5-1-methyl-5-trifluoromethyl-1h-pyrazol-3-yl thiophene-2-carboxylic acid,3-5-carboxythien-2-yl-1-methyl-5-trifluoromethyl-1h-pyrazole,2-thiophenecarboxylicacid, 5-1-methyl-5-trifluoromethyl-1h-pyrazol-3-yl,5-1-methyl-5-trifluoromethyl-1h-pyrazol-3-yl-thiophene-2-carboxylic acid,5-1-methyl-5-trifluoromethyl-1h-pyrazole-3-yl-2-thiophenecarboxylic acid
IUPAC Name	5-[1-methyl-5-(trifluoromethyl)pyrazol-3-yl]thiophene-2-carboxylic acid
InChI Key	MGYVPTDPOYVOQK-UHFFFAOYSA-N
Molecular Formula	C10H7F3N2O2S

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

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

2-(5-Ethynylthien-2-yl)pyridine, ≥97%, Thermo Scientific™

CAS: 132464-90-5 Molecular Formula: C11H7NS Molecular Weight (g/mol): 185.244 MDL Number: MFCD08271876 InChI Key: CTZZEBNNWDVUFO-UHFFFAOYSA-N Synonym: 2-5-ethynylthien-2-yl pyridine,2-5-ethynylthiophen-2-yl pyridine,pyridine,2-5-ethynyl-2-thienyl,pyridine, 2-5-ethynyl-2-thienyl,acmc-20muis,5-ethynyl-2-2-pyridyl thiophene,2-ethynyl-5-pyridin-2-yl thiophene PubChem CID: 15084146 IUPAC Name: 2-(5-ethynylthiophen-2-yl)pyridine SMILES: C#CC1=CC=C(S1)C2=CC=CC=N2

Pricing and Availability
Specifications

PubChem CID	15084146
CAS	132464-90-5
Molecular Weight (g/mol)	185.244
MDL Number	MFCD08271876
SMILES	C#CC1=CC=C(S1)C2=CC=CC=N2
Synonym	2-5-ethynylthien-2-yl pyridine,2-5-ethynylthiophen-2-yl pyridine,pyridine,2-5-ethynyl-2-thienyl,pyridine, 2-5-ethynyl-2-thienyl,acmc-20muis,5-ethynyl-2-2-pyridyl thiophene,2-ethynyl-5-pyridin-2-yl thiophene
IUPAC Name	2-(5-ethynylthiophen-2-yl)pyridine
InChI Key	CTZZEBNNWDVUFO-UHFFFAOYSA-N
Molecular Formula	C11H7NS

5-Cyanothiophene-2-boronic acid, 98%, Thermo Scientific Chemicals

CAS: 305832-67-1 Molecular Formula: C5H4BNO2S Molecular Weight (g/mol): 152.96 MDL Number: MFCD02094029 InChI Key: ZEOMEPSYIIQIND-UHFFFAOYSA-N Synonym: 5-cyanothiophene-2-boronic acid,5-cyanothiophen-2-yl boronic acid,5-cyanothiophen-2-yl-2-boronic acid,5-boronothiophene-2-carbonitrile,5-cyano-2-thienyl boronic acid,5-dihydroxyboranyl thiophene-2-carbonitrile,5-cyano-2-thienylboronic acid,boronic acid, 5-cyano-2-thienyl,5-cyanothiophen-2-boronic acid,acmc-1ctts PubChem CID: 4198743 IUPAC Name: (5-cyanothiophen-2-yl)boronic acid SMILES: OB(O)C1=CC=C(S1)C#N

Pricing and Availability
Specifications

PubChem CID	4198743
CAS	305832-67-1
Molecular Weight (g/mol)	152.96
MDL Number	MFCD02094029
SMILES	OB(O)C1=CC=C(S1)C#N
Synonym	5-cyanothiophene-2-boronic acid,5-cyanothiophen-2-yl boronic acid,5-cyanothiophen-2-yl-2-boronic acid,5-boronothiophene-2-carbonitrile,5-cyano-2-thienyl boronic acid,5-dihydroxyboranyl thiophene-2-carbonitrile,5-cyano-2-thienylboronic acid,boronic acid, 5-cyano-2-thienyl,5-cyanothiophen-2-boronic acid,acmc-1ctts
IUPAC Name	(5-cyanothiophen-2-yl)boronic acid
InChI Key	ZEOMEPSYIIQIND-UHFFFAOYSA-N
Molecular Formula	C5H4BNO2S

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