Thiophenes

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

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5-(4-Methoxyphenyl)thiophene-2-carboxaldehyde, 99%

CAS: 38401-67-1 Molecular Formula: C12H10O2S Molecular Weight (g/mol): 218.27 MDL Number: MFCD00663639 InChI Key: ODLOZSNXTQAWGQ-UHFFFAOYSA-N Synonym: 5-4-methoxyphenyl thiophene-2-carbaldehyde,5-4-methoxyphenyl thiophene-2-carboxaldehyde,5-4-methoxyphenyl-2-thiophenecarbaldehyde,acmc-1ahp9,rarechem ak ma k025,methoxyphenylthiophenecarbaldehyde,2-formyl-5-4-methoxyphenyl thiophene,5-4-methoxylphenyl thiophene-2-carbaldehyde,5-4-methoxyphenyl-2-thiophenecarboxaldehyde,5-4-methoxy-phenyl-thiophene-2-carbaldehyde PubChem CID: 2797800 IUPAC Name: 5-(4-methoxyphenyl)thiophene-2-carbaldehyde SMILES: COC1=CC=C(C=C1)C1=CC=C(S1)C=O

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Specifications

PubChem CID	2797800
CAS	38401-67-1
Molecular Weight (g/mol)	218.27
MDL Number	MFCD00663639
SMILES	COC1=CC=C(C=C1)C1=CC=C(S1)C=O
Synonym	5-4-methoxyphenyl thiophene-2-carbaldehyde,5-4-methoxyphenyl thiophene-2-carboxaldehyde,5-4-methoxyphenyl-2-thiophenecarbaldehyde,acmc-1ahp9,rarechem ak ma k025,methoxyphenylthiophenecarbaldehyde,2-formyl-5-4-methoxyphenyl thiophene,5-4-methoxylphenyl thiophene-2-carbaldehyde,5-4-methoxyphenyl-2-thiophenecarboxaldehyde,5-4-methoxy-phenyl-thiophene-2-carbaldehyde
IUPAC Name	5-(4-methoxyphenyl)thiophene-2-carbaldehyde
InChI Key	ODLOZSNXTQAWGQ-UHFFFAOYSA-N
Molecular Formula	C12H10O2S

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

CAS: 6322-07-2 MDL Number: MFCD00005391

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Specifications

CAS	6322-07-2
MDL Number	MFCD00005391

1-Benzothiophene-2-carbaldehyde, 97%, Thermo Scientific™

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

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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

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5-Chlorothiophene-2-sulfonamide, 97%

CAS: 53595-66-7 Molecular Formula: C4H4ClNO2S2 Molecular Weight (g/mol): 197.65 MDL Number: MFCD00052584 InChI Key: RKLQLYBJAZBSEU-UHFFFAOYSA-N Synonym: 5-chloro-2-thiophenesulfonamide,2-thiophenesulfonamide, 5-chloro,2-chloro thiophene-5-sulfonamide,pubchem7381,5-chlorothiophenesulfonamide,4-18-00-06708 beilstein handbook reference,ksc490i0r,2-chloro-5-sulfamoylthiophene,5-chloro-2-thienylsulphonamide PubChem CID: 1241301 IUPAC Name: 5-chlorothiophene-2-sulfonamide SMILES: NS(=O)(=O)C1=CC=C(Cl)S1

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Specifications

PubChem CID	1241301
CAS	53595-66-7
Molecular Weight (g/mol)	197.65
MDL Number	MFCD00052584
SMILES	NS(=O)(=O)C1=CC=C(Cl)S1
Synonym	5-chloro-2-thiophenesulfonamide,2-thiophenesulfonamide, 5-chloro,2-chloro thiophene-5-sulfonamide,pubchem7381,5-chlorothiophenesulfonamide,4-18-00-06708 beilstein handbook reference,ksc490i0r,2-chloro-5-sulfamoylthiophene,5-chloro-2-thienylsulphonamide
IUPAC Name	5-chlorothiophene-2-sulfonamide
InChI Key	RKLQLYBJAZBSEU-UHFFFAOYSA-N
Molecular Formula	C4H4ClNO2S2

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2-Iodo-5-methylthiophene, 97%

CAS: 16494-36-3 Molecular Formula: C5H5IS Molecular Weight (g/mol): 224.06 MDL Number: MFCD00022492 InChI Key: NAZNQEXKAPLVKC-UHFFFAOYSA-N Synonym: thiophene, 2-iodo-5-methyl,pubchem7417,acmc-1bs6v,2-iodo-5-methyl-thiophene,2-iodo-5-methyl thiophene,bidd:gt0402,2-iodo-5-methylthiophene PubChem CID: 140096 IUPAC Name: 2-iodo-5-methylthiophene SMILES: CC1=CC=C(I)S1

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Specifications

PubChem CID	140096
CAS	16494-36-3
Molecular Weight (g/mol)	224.06
MDL Number	MFCD00022492
SMILES	CC1=CC=C(I)S1
Synonym	thiophene, 2-iodo-5-methyl,pubchem7417,acmc-1bs6v,2-iodo-5-methyl-thiophene,2-iodo-5-methyl thiophene,bidd:gt0402,2-iodo-5-methylthiophene
IUPAC Name	2-iodo-5-methylthiophene
InChI Key	NAZNQEXKAPLVKC-UHFFFAOYSA-N
Molecular Formula	C5H5IS

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5-Chlorothiophene-2-sulfonyl chloride, 97%

CAS: 2766-74-7 Molecular Formula: C4H2Cl2O2S2 Molecular Weight (g/mol): 217.08 MDL Number: MFCD00051667 InChI Key: SORSTNOXGOXWAO-UHFFFAOYSA-N Synonym: 5-chlorothiophene-2-sulfonylchloride,5-chloro-2-thiophenesulfonyl chloride,5-chlorothiophene-2-sulphonyl chloride,5-chlorothiophenesulphonyl chloride,5-chloro-2-thienylsulfonyl chloride,5-chloro-thiophene-2-sulfonyl chloride,5-chlorothiophenesulfonyl chloride,5-chlorothiophen-2-sulfonyl chloride,5-chlorothiophene-2-sulphonylchloride,2-thiophenesulfonyl chloride, 5-chloro PubChem CID: 2733925 IUPAC Name: 5-chlorothiophene-2-sulfonyl chloride SMILES: ClC1=CC=C(S1)S(Cl)(=O)=O

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Specifications

PubChem CID	2733925
CAS	2766-74-7
Molecular Weight (g/mol)	217.08
MDL Number	MFCD00051667
SMILES	ClC1=CC=C(S1)S(Cl)(=O)=O
Synonym	5-chlorothiophene-2-sulfonylchloride,5-chloro-2-thiophenesulfonyl chloride,5-chlorothiophene-2-sulphonyl chloride,5-chlorothiophenesulphonyl chloride,5-chloro-2-thienylsulfonyl chloride,5-chloro-thiophene-2-sulfonyl chloride,5-chlorothiophenesulfonyl chloride,5-chlorothiophen-2-sulfonyl chloride,5-chlorothiophene-2-sulphonylchloride,2-thiophenesulfonyl chloride, 5-chloro
IUPAC Name	5-chlorothiophene-2-sulfonyl chloride
InChI Key	SORSTNOXGOXWAO-UHFFFAOYSA-N
Molecular Formula	C4H2Cl2O2S2

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5-Bromothiophene-2-carboxylic acid, 97%

CAS: 7311-63-9 Molecular Formula: C5H2BrO2S Molecular Weight (g/mol): 206.03 MDL Number: MFCD00079725 InChI Key: COWZPSUDTMGBAT-UHFFFAOYSA-M Synonym: 5-bromo-2-thiophenecarboxylic acid,2-thiophenecarboxylic acid, 5-bromo,2-bromo-5-carboxythiophene,2-bromothiophene-5-carboxylic acid,5-bromo-thiophene-2-carboxylic acid,5-bromothiophene-2-carboxylicacid,zlchem 973,pubchem7368,acmc-209opm,maybridge1_002056 PubChem CID: 349115 IUPAC Name: 5-bromothiophene-2-carboxylic acid SMILES: [O-]C(=O)C1=CC=C(Br)S1

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Specifications

PubChem CID	349115
CAS	7311-63-9
Molecular Weight (g/mol)	206.03
MDL Number	MFCD00079725
SMILES	[O-]C(=O)C1=CC=C(Br)S1
Synonym	5-bromo-2-thiophenecarboxylic acid,2-thiophenecarboxylic acid, 5-bromo,2-bromo-5-carboxythiophene,2-bromothiophene-5-carboxylic acid,5-bromo-thiophene-2-carboxylic acid,5-bromothiophene-2-carboxylicacid,zlchem 973,pubchem7368,acmc-209opm,maybridge1_002056
IUPAC Name	5-bromothiophene-2-carboxylic acid
InChI Key	COWZPSUDTMGBAT-UHFFFAOYSA-M
Molecular Formula	C5H2BrO2S

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5-Formyl-2-thiopheneboronic acid, 97%

CAS: 4347-33-5 Molecular Formula: C5H5BO3S Molecular Weight (g/mol): 155.96 MDL Number: MFCD02093666 InChI Key: DEQOVKFWRPOPQP-UHFFFAOYSA-N Synonym: 5-formyl-2-thiopheneboronic acid,5-formylthiophen-2-boronic acid,5-formylthiophen-2-yl boronic acid,5-formylthiophene-2-boronic acid,2-formylthiophene-5-boronic acid,5-formylthienyl-2-boronic acid,5-formyl-2-thienyl boronic acid,boronic acid, 5-formyl-2-thienyl,5-formyl-2-thiopheneboronicacid,pubchem1722 PubChem CID: 2773430 IUPAC Name: (5-formylthiophen-2-yl)boronic acid SMILES: OB(O)C1=CC=C(S1)C=O

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Specifications

PubChem CID	2773430
CAS	4347-33-5
Molecular Weight (g/mol)	155.96
MDL Number	MFCD02093666
SMILES	OB(O)C1=CC=C(S1)C=O
Synonym	5-formyl-2-thiopheneboronic acid,5-formylthiophen-2-boronic acid,5-formylthiophen-2-yl boronic acid,5-formylthiophene-2-boronic acid,2-formylthiophene-5-boronic acid,5-formylthienyl-2-boronic acid,5-formyl-2-thienyl boronic acid,boronic acid, 5-formyl-2-thienyl,5-formyl-2-thiopheneboronicacid,pubchem1722
IUPAC Name	(5-formylthiophen-2-yl)boronic acid
InChI Key	DEQOVKFWRPOPQP-UHFFFAOYSA-N
Molecular Formula	C5H5BO3S

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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

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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

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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

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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

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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

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Specifications

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

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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

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5-Chloro-2-thiophenecarboxaldehyde, 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

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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

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3-Methylthiophene-2-carboxylic acid, 98%

CAS: 23806-24-8 Molecular Formula: C6H5O2S Molecular Weight (g/mol): 141.16 MDL Number: MFCD00005438 InChI Key: IFLKEBSJTZGCJG-UHFFFAOYSA-M Synonym: 3-methyl-2-thiophenecarboxylic acid,3-methyl-2-thenoic acid,2-thiophenecarboxylic acid, 3-methyl,2-carboxy-3-methylthiophene,3-methyl-2-thiophene carboxylic acid,3-methyl-2-thiophenecarboxylic,3-methyl-thiophene-2-carboxylic acid,3-methyl-2-thiophenecarboxylicacid,pubchem5182,acmc-1cinc PubChem CID: 90269 IUPAC Name: 3-methylthiophene-2-carboxylic acid SMILES: CC1=C(SC=C1)C([O-])=O

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Specifications

PubChem CID	90269
CAS	23806-24-8
Molecular Weight (g/mol)	141.16
MDL Number	MFCD00005438
SMILES	CC1=C(SC=C1)C([O-])=O
Synonym	3-methyl-2-thiophenecarboxylic acid,3-methyl-2-thenoic acid,2-thiophenecarboxylic acid, 3-methyl,2-carboxy-3-methylthiophene,3-methyl-2-thiophene carboxylic acid,3-methyl-2-thiophenecarboxylic,3-methyl-thiophene-2-carboxylic acid,3-methyl-2-thiophenecarboxylicacid,pubchem5182,acmc-1cinc
IUPAC Name	3-methylthiophene-2-carboxylic acid
InChI Key	IFLKEBSJTZGCJG-UHFFFAOYSA-M
Molecular Formula	C6H5O2S

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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

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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

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