Thiophenes

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

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91 – 105 of 1,280 results

3-(5-bromo-2-thienyl)pyridine, 97%, Thermo Scientific™

CAS: 169050-05-9 Molecular Formula: C9H6BrNS Molecular Weight (g/mol): 240.12 MDL Number: MFCD04971290 InChI Key: GJBHIXTYLYHAQD-UHFFFAOYSA-N Synonym: 3-5-bromothiophen-2-yl pyridine,3-5-bromo-2-thienyl pyridine,3-5-bromothien-2-yl pyridine,2-bromo-5-pyridin-3-ylthiophene,5-bromo-2-3-pyridyl thiophene,2-bromo-5-pyridin-3-yl thiophene PubChem CID: 818817 IUPAC Name: 3-(5-bromothiophen-2-yl)pyridine SMILES: BrC1=CC=C(S1)C1=CN=CC=C1

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Specifications

PubChem CID	818817
CAS	169050-05-9
Molecular Weight (g/mol)	240.12
MDL Number	MFCD04971290
SMILES	BrC1=CC=C(S1)C1=CN=CC=C1
Synonym	3-5-bromothiophen-2-yl pyridine,3-5-bromo-2-thienyl pyridine,3-5-bromothien-2-yl pyridine,2-bromo-5-pyridin-3-ylthiophene,5-bromo-2-3-pyridyl thiophene,2-bromo-5-pyridin-3-yl thiophene
IUPAC Name	3-(5-bromothiophen-2-yl)pyridine
InChI Key	GJBHIXTYLYHAQD-UHFFFAOYSA-N
Molecular Formula	C9H6BrNS

Thieno[2,3-b]pyrazin-7-amine, Thermo Scientific™™

CAS: 59944-75-1 Molecular Formula: C6H5N3S Molecular Weight (g/mol): 151.187 MDL Number: MFCD08271970 InChI Key: ZRVKSPNBHZCQKY-UHFFFAOYSA-N Synonym: thieno 2,3-b pyrazin-7-amine,thieno 3,2-b pyrazin-7-amine,7-aminothieno 2,3-b pyrazine,4ctk,svn,7-aminothieno 2,3-b pyrazin,thiopheno 3,2-b pyrazine-7-ylamine PubChem CID: 12299130 IUPAC Name: thieno[2,3-b]pyrazin-7-amine SMILES: C1=CN=C2C(=N1)C(=CS2)N

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Specifications

PubChem CID	12299130
CAS	59944-75-1
Molecular Weight (g/mol)	151.187
MDL Number	MFCD08271970
SMILES	C1=CN=C2C(=N1)C(=CS2)N
Synonym	thieno 2,3-b pyrazin-7-amine,thieno 3,2-b pyrazin-7-amine,7-aminothieno 2,3-b pyrazine,4ctk,svn,7-aminothieno 2,3-b pyrazin,thiopheno 3,2-b pyrazine-7-ylamine
IUPAC Name	thieno[2,3-b]pyrazin-7-amine
InChI Key	ZRVKSPNBHZCQKY-UHFFFAOYSA-N
Molecular Formula	C6H5N3S

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

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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

Thieno[2,3-b]pyrazine-6-carboxylic acid, 90%, Thermo Scientific™

CAS: 59944-79-5 Molecular Formula: C7H4N2O2S Molecular Weight (g/mol): 180.181 InChI Key: MEHCDDSVVYRWJT-UHFFFAOYSA-N Synonym: thieno 2,3-b pyrazine-6-carboxylic acid,pubchem9882,thieno 2,3-b pyrazine-6-carboxylicacid,6-thieno 2,3-b pyrazinecarboxylic acid,thieno 3,2-b pyrazine-6-carboxylic acid,thiopheno 2,3-b pyrazine-6-carboxylic acid PubChem CID: 7164578 IUPAC Name: thieno[2,3-b]pyrazine-6-carboxylic acid SMILES: C1=CN=C2C(=N1)C=C(S2)C(=O)O

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Specifications

PubChem CID	7164578
CAS	59944-79-5
Molecular Weight (g/mol)	180.181
SMILES	C1=CN=C2C(=N1)C=C(S2)C(=O)O
Synonym	thieno 2,3-b pyrazine-6-carboxylic acid,pubchem9882,thieno 2,3-b pyrazine-6-carboxylicacid,6-thieno 2,3-b pyrazinecarboxylic acid,thieno 3,2-b pyrazine-6-carboxylic acid,thiopheno 2,3-b pyrazine-6-carboxylic acid
IUPAC Name	thieno[2,3-b]pyrazine-6-carboxylic acid
InChI Key	MEHCDDSVVYRWJT-UHFFFAOYSA-N
Molecular Formula	C7H4N2O2S

2-Methylbenzo[b]thiophene, 98%

CAS: 1195-14-8 Molecular Formula: C9H8S Molecular Weight (g/mol): 148.22 MDL Number: MFCD00216250 InChI Key: BLZKSRBAQDZAIX-UHFFFAOYSA-N PubChem CID: 70952 IUPAC Name: 2-methyl-1-benzothiophene SMILES: CC1=CC2=CC=CC=C2S1

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PubChem CID	70952
CAS	1195-14-8
Molecular Weight (g/mol)	148.22
MDL Number	MFCD00216250
SMILES	CC1=CC2=CC=CC=C2S1
IUPAC Name	2-methyl-1-benzothiophene
InChI Key	BLZKSRBAQDZAIX-UHFFFAOYSA-N
Molecular Formula	C9H8S

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

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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

Methyl 3-aminobenzo[b]thiophene-2-carboxylate, 97%

CAS: 35212-85-2 Molecular Formula: C₁₀H₉NO₂S Molecular Weight (g/mol): 207.25 MDL Number: MFCD00206744 InChI Key: VLHHEYMZLXKSQO-UHFFFAOYSA-N Synonym: methyl 3-aminobenzo b thiophene-2-carboxylate,benzo b thiophene-2-carboxylic acid, 3-amino-, methyl ester,cbmicro_030710,2-carbomethoxy-3-aminobenzothiophene,methyl 3-aminobenzothiophene-2-carboxylate,methyl-3-aminobenzothiophene-2-carboxylate,3-amino-2-methoxycarbonyl-1-benzothiophene,methyl 3-amino-benzo b thiophene-2-carboxylate,methyl 3-azanyl-1-benzothiophene-2-carboxylate,amino-benzo b thiophene-2-carboxylic acid methyl ester PubChem CID: 874720 IUPAC Name: methyl 3-amino-1-benzothiophene-2-carboxylate SMILES: COC(=O)C1=C(C2=CC=CC=C2S1)N

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Specifications

PubChem CID	874720
CAS	35212-85-2
Molecular Weight (g/mol)	207.25
MDL Number	MFCD00206744
SMILES	COC(=O)C1=C(C2=CC=CC=C2S1)N
Synonym	methyl 3-aminobenzo b thiophene-2-carboxylate,benzo b thiophene-2-carboxylic acid, 3-amino-, methyl ester,cbmicro_030710,2-carbomethoxy-3-aminobenzothiophene,methyl 3-aminobenzothiophene-2-carboxylate,methyl-3-aminobenzothiophene-2-carboxylate,3-amino-2-methoxycarbonyl-1-benzothiophene,methyl 3-amino-benzo b thiophene-2-carboxylate,methyl 3-azanyl-1-benzothiophene-2-carboxylate,amino-benzo b thiophene-2-carboxylic acid methyl ester
IUPAC Name	methyl 3-amino-1-benzothiophene-2-carboxylate
InChI Key	VLHHEYMZLXKSQO-UHFFFAOYSA-N
Molecular Formula	C₁₀H₉NO₂S

3-Methylbenzo[b]thiophene-2-carboxylic acid, 97%

CAS: 3133-78-6 Molecular Formula: C10H8O2S Molecular Weight (g/mol): 192.232 MDL Number: MFCD01830305 InChI Key: YVKLUKXESFJRCE-UHFFFAOYSA-N Synonym: 3-methylbenzo b thiophene-2-carboxylic acid,3-methylbenzothiophene-2-carboxylic acid,acmc-20a6oy,methylbenzothiophene-carboxylic,3-methylthianaphthene-2-carboxylic acid,3-methyl 2-benzo b thiophenecarboxylic acid,benzo b thiophene-2-carboxylicacid, 3-methyl PubChem CID: 821868 IUPAC Name: 3-methyl-1-benzothiophene-2-carboxylic acid SMILES: CC1=C(SC2=CC=CC=C12)C(=O)O

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Specifications

PubChem CID	821868
CAS	3133-78-6
Molecular Weight (g/mol)	192.232
MDL Number	MFCD01830305
SMILES	CC1=C(SC2=CC=CC=C12)C(=O)O
Synonym	3-methylbenzo b thiophene-2-carboxylic acid,3-methylbenzothiophene-2-carboxylic acid,acmc-20a6oy,methylbenzothiophene-carboxylic,3-methylthianaphthene-2-carboxylic acid,3-methyl 2-benzo b thiophenecarboxylic acid,benzo b thiophene-2-carboxylicacid, 3-methyl
IUPAC Name	3-methyl-1-benzothiophene-2-carboxylic acid
InChI Key	YVKLUKXESFJRCE-UHFFFAOYSA-N
Molecular Formula	C10H8O2S

Methyl 4,5-dibromothiophene-2-carboxylate, 97%

CAS: 62224-24-2 Molecular Formula: C6H4Br2O2S Molecular Weight (g/mol): 299.964 MDL Number: MFCD00831688 InChI Key: URPMSPAEAVFKCO-UHFFFAOYSA-N Synonym: methyl 4,5-dibromo-2-thiophenecarboxylate,4,5-dibromothiophene-2-carboxylic acid methyl ester,maybridge3_005092,methyldibromothiophenecarboxylate,methyl 4,5-dibromo-2-thiophencarboxylate,methyl 4, 5-dibromothiophene-2-carboxylate,4,5-dibromo-thiophene-2-carboxylic acid methyl ester PubChem CID: 2727707 IUPAC Name: methyl 4,5-dibromothiophene-2-carboxylate SMILES: COC(=O)C1=CC(=C(S1)Br)Br

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Specifications

PubChem CID	2727707
CAS	62224-24-2
Molecular Weight (g/mol)	299.964
MDL Number	MFCD00831688
SMILES	COC(=O)C1=CC(=C(S1)Br)Br
Synonym	methyl 4,5-dibromo-2-thiophenecarboxylate,4,5-dibromothiophene-2-carboxylic acid methyl ester,maybridge3_005092,methyldibromothiophenecarboxylate,methyl 4,5-dibromo-2-thiophencarboxylate,methyl 4, 5-dibromothiophene-2-carboxylate,4,5-dibromo-thiophene-2-carboxylic acid methyl ester
IUPAC Name	methyl 4,5-dibromothiophene-2-carboxylate
InChI Key	URPMSPAEAVFKCO-UHFFFAOYSA-N
Molecular Formula	C6H4Br2O2S

100

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

101

Ethyl 2-amino-5-methylthiophene-3-carboxylate, 95%

CAS: 4815-32-1 Molecular Formula: C8H11NO2S Molecular Weight (g/mol): 185.241 MDL Number: MFCD01922142 InChI Key: AYBUNZGJQVYGTM-UHFFFAOYSA-N Synonym: 2-amino-5-methyl-thiophene-3-carboxylic acid ethyl ester,ethyl 2-amino-5-methyl-3-thiophenecarboxylate,2-amino-5-methylthiophene-3-carboxylic acid ethyl ester,3-thiophenecarboxylic acid, 2-amino-5-methyl-, ethyl ester,ethyl2-amino-5-methyl-3-thiophenecarboxylate,2-amino-5-methyl-3-thiophenecarboxylic acid ethyl ester,ethyl 2-amino-5-methyl-thiophene-3-carboxylate,ksc590m8t,aronis25101,2-amino-5-methyl-thiophene-3-carboxylicacidethylester PubChem CID: 4062885 IUPAC Name: ethyl 2-amino-5-methylthiophene-3-carboxylate SMILES: CCOC(=O)C1=C(SC(=C1)C)N

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Specifications

PubChem CID	4062885
CAS	4815-32-1
Molecular Weight (g/mol)	185.241
MDL Number	MFCD01922142
SMILES	CCOC(=O)C1=C(SC(=C1)C)N
Synonym	2-amino-5-methyl-thiophene-3-carboxylic acid ethyl ester,ethyl 2-amino-5-methyl-3-thiophenecarboxylate,2-amino-5-methylthiophene-3-carboxylic acid ethyl ester,3-thiophenecarboxylic acid, 2-amino-5-methyl-, ethyl ester,ethyl2-amino-5-methyl-3-thiophenecarboxylate,2-amino-5-methyl-3-thiophenecarboxylic acid ethyl ester,ethyl 2-amino-5-methyl-thiophene-3-carboxylate,ksc590m8t,aronis25101,2-amino-5-methyl-thiophene-3-carboxylicacidethylester
IUPAC Name	ethyl 2-amino-5-methylthiophene-3-carboxylate
InChI Key	AYBUNZGJQVYGTM-UHFFFAOYSA-N
Molecular Formula	C8H11NO2S

102

5-Methyl-2-thiophenecarboxaldehyde, 98%

CAS: 13679-70-4 Molecular Formula: C₆H₆OS Molecular Weight (g/mol): 126.18 MDL Number: MFCD00005434 InChI Key: VAUMDUIUEPIGHM-UHFFFAOYSA-N Synonym: 5-methyl-2-thiophenecarboxaldehyde,5-methylthiophene-2-carboxaldehyde,5-methyl-2-thiophenecarbaldehyde,2-formyl-5-methylthiophene,5-methyl-2-formylthiophene,2-thiophenecarboxaldehyde, 5-methyl,5-methylthiophene-2-aldehyde,5-methyl-2-thenaldehyde,5-methyl-2-thiophencarboxaldehyde,5-methyl-2-thiophene carboxaldehyde PubChem CID: 61663 IUPAC Name: 5-methylthiophene-2-carbaldehyde SMILES: CC1=CC=C(S1)C=O

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Specifications

PubChem CID	61663
CAS	13679-70-4
Molecular Weight (g/mol)	126.18
MDL Number	MFCD00005434
SMILES	CC1=CC=C(S1)C=O
Synonym	5-methyl-2-thiophenecarboxaldehyde,5-methylthiophene-2-carboxaldehyde,5-methyl-2-thiophenecarbaldehyde,2-formyl-5-methylthiophene,5-methyl-2-formylthiophene,2-thiophenecarboxaldehyde, 5-methyl,5-methylthiophene-2-aldehyde,5-methyl-2-thenaldehyde,5-methyl-2-thiophencarboxaldehyde,5-methyl-2-thiophene carboxaldehyde
IUPAC Name	5-methylthiophene-2-carbaldehyde
InChI Key	VAUMDUIUEPIGHM-UHFFFAOYSA-N
Molecular Formula	C₆H₆OS

103

2-Thiophenecarboxylic acid hydrazide, 97%

CAS: 2361-27-5 Molecular Formula: C₅H₆N₂OS Molecular Weight (g/mol): 142.18 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

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Specifications

PubChem CID	73098
CAS	2361-27-5
Molecular Weight (g/mol)	142.18
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

104

2,5-Dimethylthiophene, 98.5%

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

105

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

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