Thiophenes

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

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1 – 15 of 264 results

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

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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-]

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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

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

Pricing and Availability

5-Nitro-1-benzothiophene-2-carbonyl chloride, 97%, Thermo Scientific™

CAS: 86010-32-4 Molecular Formula: C9H4ClNO3S Molecular Weight (g/mol): 241.65 MDL Number: MFCD04115400 InChI Key: KOJDFXDLYGKDEK-UHFFFAOYSA-N Synonym: 5-nitrobenzo b thiophene-2-carbonyl chloride,5-nitrobenzothiophene-2-carboxoyl chloride,5-nitro-1-benzo b thiophene-2-carbonyl chloride PubChem CID: 2794619 IUPAC Name: 5-nitro-1-benzothiophene-2-carbonyl chloride SMILES: [O-][N+](=O)C1=CC=C2SC(=CC2=C1)C(Cl)=O

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Specifications

PubChem CID	2794619
CAS	86010-32-4
Molecular Weight (g/mol)	241.65
MDL Number	MFCD04115400
SMILES	[O-][N+](=O)C1=CC=C2SC(=CC2=C1)C(Cl)=O
Synonym	5-nitrobenzo b thiophene-2-carbonyl chloride,5-nitrobenzothiophene-2-carboxoyl chloride,5-nitro-1-benzo b thiophene-2-carbonyl chloride
IUPAC Name	5-nitro-1-benzothiophene-2-carbonyl chloride
InChI Key	KOJDFXDLYGKDEK-UHFFFAOYSA-N
Molecular Formula	C9H4ClNO3S

4-Phenyl-5-(trifluoromethyl)thiophen-3-amine, ≥97%, Thermo Scientific™

CAS: 256427-77-7 Molecular Formula: C11H8F3NS Molecular Weight (g/mol): 243.247 MDL Number: MFCD01934528 InChI Key: KBIPYEXWOYDDDL-UHFFFAOYSA-N Synonym: 4-phenyl-5-trifluoromethyl thiophen-3-amine,4-phenyl-5-trifluoromethyl thien-3-ylamine,3-amino-4-phenyl-5-trifluoromethyl thiophene,maybridge3_006438,4-phenyl-5-trifluoromethyl-3-thienylamine,4-phenyl-5-trifluoromethyl thiophene-3-amine PubChem CID: 2782905 IUPAC Name: 4-phenyl-5-(trifluoromethyl)thiophen-3-amine SMILES: C1=CC=C(C=C1)C2=C(SC=C2N)C(F)(F)F

Pricing and Availability
Specifications

PubChem CID	2782905
CAS	256427-77-7
Molecular Weight (g/mol)	243.247
MDL Number	MFCD01934528
SMILES	C1=CC=C(C=C1)C2=C(SC=C2N)C(F)(F)F
Synonym	4-phenyl-5-trifluoromethyl thiophen-3-amine,4-phenyl-5-trifluoromethyl thien-3-ylamine,3-amino-4-phenyl-5-trifluoromethyl thiophene,maybridge3_006438,4-phenyl-5-trifluoromethyl-3-thienylamine,4-phenyl-5-trifluoromethyl thiophene-3-amine
IUPAC Name	4-phenyl-5-(trifluoromethyl)thiophen-3-amine
InChI Key	KBIPYEXWOYDDDL-UHFFFAOYSA-N
Molecular Formula	C11H8F3NS

2,3-Dihydrothieno[3,4-b][1,4]dioxine-5-carboxylic acid, ≥97%, Thermo Scientific™

CAS: 260063-21-6 Molecular Formula: C7H6O4S Molecular Weight (g/mol): 186.181 MDL Number: MFCD07801102 InChI Key: DCCRIIFBJZOPAV-UHFFFAOYSA-N Synonym: 2,3-dihydrothieno 3,4-b 1,4 dioxine-5-carboxylic acid,2,3-dihydro-thieno 3,4-b 1,4 dioxine-5-carboxylic acid,2h,3h-thieno 3,4-b 1,4 dioxine-5-carboxylic acid,thieno 3,4-b-1,4-dioxin-5-carboxylicacid, 2,3-dihydro,2h,3h-thiopheno 3,4-e 1,4-dioxane-5-carboxylic acid,3,4-ethylenedioxythiophene carboxylic acid,thieno 3,4-b-1,4-dioxin-5-carboxylic acid, 2,3-dihydro PubChem CID: 6483880 IUPAC Name: 2,3-dihydrothieno[3,4-b][1,4]dioxine-5-carboxylic acid SMILES: C1COC2=C(SC=C2O1)C(=O)O

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Specifications

PubChem CID	6483880
CAS	260063-21-6
Molecular Weight (g/mol)	186.181
MDL Number	MFCD07801102
SMILES	C1COC2=C(SC=C2O1)C(=O)O
Synonym	2,3-dihydrothieno 3,4-b 1,4 dioxine-5-carboxylic acid,2,3-dihydro-thieno 3,4-b 1,4 dioxine-5-carboxylic acid,2h,3h-thieno 3,4-b 1,4 dioxine-5-carboxylic acid,thieno 3,4-b-1,4-dioxin-5-carboxylicacid, 2,3-dihydro,2h,3h-thiopheno 3,4-e 1,4-dioxane-5-carboxylic acid,3,4-ethylenedioxythiophene carboxylic acid,thieno 3,4-b-1,4-dioxin-5-carboxylic acid, 2,3-dihydro
IUPAC Name	2,3-dihydrothieno[3,4-b][1,4]dioxine-5-carboxylic acid
InChI Key	DCCRIIFBJZOPAV-UHFFFAOYSA-N
Molecular Formula	C7H6O4S

5-Pyrid-4-ylthiophene-2-carbaldehyde, 97%, Thermo Scientific™

CAS: 129770-69-0 Molecular Formula: C10H7NOS Molecular Weight (g/mol): 189.232 MDL Number: MFCD06802777 InChI Key: SZPFXOQATCPCET-UHFFFAOYSA-N PubChem CID: 11052422 IUPAC Name: 5-pyridin-4-ylthiophene-2-carbaldehyde SMILES: C1=CN=CC=C1C2=CC=C(S2)C=O

Pricing and Availability
Specifications

PubChem CID	11052422
CAS	129770-69-0
Molecular Weight (g/mol)	189.232
MDL Number	MFCD06802777
SMILES	C1=CN=CC=C1C2=CC=C(S2)C=O
IUPAC Name	5-pyridin-4-ylthiophene-2-carbaldehyde
InChI Key	SZPFXOQATCPCET-UHFFFAOYSA-N
Molecular Formula	C10H7NOS

5-[(Benzoylamino)methyl]thiophene-2-sulfonyl chloride, 97%, Thermo Scientific™

CAS: 138872-44-3 Molecular Formula: C12H10ClNO3S2 Molecular Weight (g/mol): 315.786 MDL Number: MFCD00052130 InChI Key: VGSWVDWOXYTAPG-UHFFFAOYSA-N Synonym: 5-benzoylamino methyl thiophene-2-sulfonyl chloride,5-benzamidomethyl thiophene-2-sulfonyl chloride,2-benzoylaminomethyl thiophene-5-sulfonylchloride,2-benzoylaminomethyl thiophene-5-sulfonyl chloride,2-thiophenesulfonylchloride, 5-benzoylamino methyl,5-phenylformamido methyl thiophene-2-sulfonyl chloride,5-benzoylamino methyl thiophene-2-sulphonyl chloride,pubchem5470,acmc-20c3wu,5-benzamidomethyl thiophene-2-sulfonylchloride PubChem CID: 2778878 IUPAC Name: 5-(benzamidomethyl)thiophene-2-sulfonyl chloride SMILES: C1=CC=C(C=C1)C(=O)NCC2=CC=C(S2)S(=O)(=O)Cl

Pricing and Availability
Specifications

PubChem CID	2778878
CAS	138872-44-3
Molecular Weight (g/mol)	315.786
MDL Number	MFCD00052130
SMILES	C1=CC=C(C=C1)C(=O)NCC2=CC=C(S2)S(=O)(=O)Cl
Synonym	5-benzoylamino methyl thiophene-2-sulfonyl chloride,5-benzamidomethyl thiophene-2-sulfonyl chloride,2-benzoylaminomethyl thiophene-5-sulfonylchloride,2-benzoylaminomethyl thiophene-5-sulfonyl chloride,2-thiophenesulfonylchloride, 5-benzoylamino methyl,5-phenylformamido methyl thiophene-2-sulfonyl chloride,5-benzoylamino methyl thiophene-2-sulphonyl chloride,pubchem5470,acmc-20c3wu,5-benzamidomethyl thiophene-2-sulfonylchloride
IUPAC Name	5-(benzamidomethyl)thiophene-2-sulfonyl chloride
InChI Key	VGSWVDWOXYTAPG-UHFFFAOYSA-N
Molecular Formula	C12H10ClNO3S2

tert-Butyl N-[(5-bromo-2-thienyl)methyl]carbamate, 97%, Thermo Scientific™

CAS: 215183-27-0 Molecular Formula: C10H14BrNO2S Molecular Weight (g/mol): 292.191 MDL Number: MFCD03659715 InChI Key: CVNITIPQHIGCKI-UHFFFAOYSA-N Synonym: tert-butyl 5-bromothiophen-2-yl methyl carbamate,tert-butyl n-5-bromo-2-thienyl methyl carbamate,5-bromo-thiophen-2-ylmethyl-carbamic acid tert-butyl ester,tert-butyl 5-bromothiophen-2-yl methylcarbamate,tert-butyl n-5-bromothiophen-2-yl methyl carbamate,n-boc-5-bromothiophen-2-methanamine,2-boc-amino methyl-5-bromothiophene,2-bromo-5-tert-butoxycarbonylaminomethylthiophene PubChem CID: 2779810 IUPAC Name: tert-butyl N-[(5-bromothiophen-2-yl)methyl]carbamate SMILES: CC(C)(C)OC(=O)NCC1=CC=C(S1)Br

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Specifications

PubChem CID	2779810
CAS	215183-27-0
Molecular Weight (g/mol)	292.191
MDL Number	MFCD03659715
SMILES	CC(C)(C)OC(=O)NCC1=CC=C(S1)Br
Synonym	tert-butyl 5-bromothiophen-2-yl methyl carbamate,tert-butyl n-5-bromo-2-thienyl methyl carbamate,5-bromo-thiophen-2-ylmethyl-carbamic acid tert-butyl ester,tert-butyl 5-bromothiophen-2-yl methylcarbamate,tert-butyl n-5-bromothiophen-2-yl methyl carbamate,n-boc-5-bromothiophen-2-methanamine,2-boc-amino methyl-5-bromothiophene,2-bromo-5-tert-butoxycarbonylaminomethylthiophene
IUPAC Name	tert-butyl N-[(5-bromothiophen-2-yl)methyl]carbamate
InChI Key	CVNITIPQHIGCKI-UHFFFAOYSA-N
Molecular Formula	C10H14BrNO2S

Methyl-5-amino-1-benzothiophene-2-carboxylate, Thermo Scientific™

CAS: 20699-85-8 Molecular Formula: C10H9NO2S Molecular Weight (g/mol): 207.247 InChI Key: SIMBULBEQVHFPK-UHFFFAOYSA-N PubChem CID: 2824064 IUPAC Name: methyl 5-amino-1-benzothiophene-2-carboxylate SMILES: COC(=O)C1=CC2=C(S1)C=CC(=C2)N

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Specifications

PubChem CID	2824064
CAS	20699-85-8
Molecular Weight (g/mol)	207.247
SMILES	COC(=O)C1=CC2=C(S1)C=CC(=C2)N
IUPAC Name	methyl 5-amino-1-benzothiophene-2-carboxylate
InChI Key	SIMBULBEQVHFPK-UHFFFAOYSA-N
Molecular Formula	C10H9NO2S

5-Bromo-4-methoxythiophene-3-carboxylic acid, 97%, Thermo Scientific™

CAS: 162848-23-9 Molecular Formula: C6H5BrO3S Molecular Weight (g/mol): 237.07 MDL Number: MFCD00068031 InChI Key: OMNYIQIDPSRNES-UHFFFAOYSA-N Synonym: 3-thiophenecarboxylicacid, 5-bromo-4-methoxy,maybridge3_003417,2-bromo-3-methoxythiophene-4-carboxylic acid,5-bromo-4-methoxy-3-thiophenecarboxylic acid,5-bromanyl-4-methoxy-thiophene-3-carboxylic acid PubChem CID: 2778393 IUPAC Name: 5-bromo-4-methoxythiophene-3-carboxylic acid SMILES: COC1=C(Br)SC=C1C(O)=O

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Specifications

PubChem CID	2778393
CAS	162848-23-9
Molecular Weight (g/mol)	237.07
MDL Number	MFCD00068031
SMILES	COC1=C(Br)SC=C1C(O)=O
Synonym	3-thiophenecarboxylicacid, 5-bromo-4-methoxy,maybridge3_003417,2-bromo-3-methoxythiophene-4-carboxylic acid,5-bromo-4-methoxy-3-thiophenecarboxylic acid,5-bromanyl-4-methoxy-thiophene-3-carboxylic acid
IUPAC Name	5-bromo-4-methoxythiophene-3-carboxylic acid
InChI Key	OMNYIQIDPSRNES-UHFFFAOYSA-N
Molecular Formula	C6H5BrO3S

5-Methylthiophene-2-carbonyl chloride, 98%, Thermo Scientific Chemicals

CAS: 31555-59-6 Molecular Formula: C6H5ClOS Molecular Weight (g/mol): 160.615 InChI Key: DJCGIWVUKCNCAT-UHFFFAOYSA-N Synonym: 5-methyl-thiophene-2-carbonyl chloride,5-methyl-2-thiophenecarbonyl chloride,2-thiophenecarbonyl chloride, 5-methyl,2-thiophenecarbonylchloride, 5-methyl,5-methyl-2-thenoyl chloride,2-chlorocarbonyl-5-methylthiophene,5-methyl-thiophene-carboxylicacid chloride,5-methylthiophene-2-carboxylic acid chloride,5-methyl-thiophene-2-carboxylic acid chloride PubChem CID: 2760083 IUPAC Name: 5-methylthiophene-2-carbonyl chloride SMILES: CC1=CC=C(S1)C(=O)Cl

Pricing and Availability
Specifications

PubChem CID	2760083
CAS	31555-59-6
Molecular Weight (g/mol)	160.615
SMILES	CC1=CC=C(S1)C(=O)Cl
Synonym	5-methyl-thiophene-2-carbonyl chloride,5-methyl-2-thiophenecarbonyl chloride,2-thiophenecarbonyl chloride, 5-methyl,2-thiophenecarbonylchloride, 5-methyl,5-methyl-2-thenoyl chloride,2-chlorocarbonyl-5-methylthiophene,5-methyl-thiophene-carboxylicacid chloride,5-methylthiophene-2-carboxylic acid chloride,5-methyl-thiophene-2-carboxylic acid chloride
IUPAC Name	5-methylthiophene-2-carbonyl chloride
InChI Key	DJCGIWVUKCNCAT-UHFFFAOYSA-N
Molecular Formula	C6H5ClOS

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

1,3-Dimethyl-1H-thieno[2,3-c]pyrazole-5-carboxylic acid, 95+%, Thermo Scientific™

CAS: 25252-46-4 Molecular Formula: C8H8N2O2S Molecular Weight (g/mol): 196.224 InChI Key: QRANSYHQSVJLHX-UHFFFAOYSA-N Synonym: 1,3-dimethyl-1h-thieno 2,3-c pyrazole-5-carboxylic acid,1,3-dimethylthieno 2,3-c pyrazole-5-carboxylic acid,1h-thieno 2,3-c pyrazole-5-carboxylic acid, 1,3-dimethyl,1h-thieno 2,3-c pyrazole-5-carboxylicacid, 1,3-dimethyl,4fzj,1,3-dimethyl-1h-thieno 2,3-c pyrazole-5-carboxylicacid,unavailable-see asdi_catno 500021541,5-carboxy-1,3-dimethyl-1h-thieno 2,3-c pyrazole,1,3-dimethylthiopheno 3,2-d pyrazole-5-carboxylic acid,1,3-dimethyl-1h-thieno 2,3-c-pyrazole-5-carboxylic acid PubChem CID: 2776541 IUPAC Name: 1,3-dimethylthieno[2,3-c]pyrazole-5-carboxylic acid SMILES: CC1=NN(C2=C1C=C(S2)C(=O)O)C

Pricing and Availability
Specifications

PubChem CID	2776541
CAS	25252-46-4
Molecular Weight (g/mol)	196.224
SMILES	CC1=NN(C2=C1C=C(S2)C(=O)O)C
Synonym	1,3-dimethyl-1h-thieno 2,3-c pyrazole-5-carboxylic acid,1,3-dimethylthieno 2,3-c pyrazole-5-carboxylic acid,1h-thieno 2,3-c pyrazole-5-carboxylic acid, 1,3-dimethyl,1h-thieno 2,3-c pyrazole-5-carboxylicacid, 1,3-dimethyl,4fzj,1,3-dimethyl-1h-thieno 2,3-c pyrazole-5-carboxylicacid,unavailable-see asdi_catno 500021541,5-carboxy-1,3-dimethyl-1h-thieno 2,3-c pyrazole,1,3-dimethylthiopheno 3,2-d pyrazole-5-carboxylic acid,1,3-dimethyl-1h-thieno 2,3-c-pyrazole-5-carboxylic acid
IUPAC Name	1,3-dimethylthieno[2,3-c]pyrazole-5-carboxylic acid
InChI Key	QRANSYHQSVJLHX-UHFFFAOYSA-N
Molecular Formula	C8H8N2O2S

3-(1,3-Dioxolan-2-yl)-2-thiophenecarboxylic acid, 97%, Thermo Scientific™

CAS: 934570-44-2 Molecular Formula: C8H8O4S Molecular Weight (g/mol): 200.21 MDL Number: MFCD09702391 InChI Key: ZODQJPSGAHBVHU-UHFFFAOYSA-N Synonym: 3-1,3-dioxolan-2-yl thiophene-2-carboxylic acid,3-1,3-dioxolan-2-yl-2-thiophenecarboxylic acid,2-2-carboxythien-3-yl-1,3-dioxolane,3-1,3-dioxolan-2-yl thiophene-2-carboxylicacid,2-thiophenecarboxylicacid, 3-1,3-dioxolan-2-yl PubChem CID: 24229593 IUPAC Name: 3-(1,3-dioxolan-2-yl)thiophene-2-carboxylic acid SMILES: OC(=O)C1=C(C=CS1)C1OCCO1

Pricing and Availability
Specifications

PubChem CID	24229593
CAS	934570-44-2
Molecular Weight (g/mol)	200.21
MDL Number	MFCD09702391
SMILES	OC(=O)C1=C(C=CS1)C1OCCO1
Synonym	3-1,3-dioxolan-2-yl thiophene-2-carboxylic acid,3-1,3-dioxolan-2-yl-2-thiophenecarboxylic acid,2-2-carboxythien-3-yl-1,3-dioxolane,3-1,3-dioxolan-2-yl thiophene-2-carboxylicacid,2-thiophenecarboxylicacid, 3-1,3-dioxolan-2-yl
IUPAC Name	3-(1,3-dioxolan-2-yl)thiophene-2-carboxylic acid
InChI Key	ZODQJPSGAHBVHU-UHFFFAOYSA-N
Molecular Formula	C8H8O4S

Thiophenes

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