Thiophenes

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

1 – 15 of 196 results

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

4-Bromo-2-thiophenecarboxylic acid, 97%, Thermo Scientific™

CAS: 16694-18-1 Molecular Formula: C5H3BrO2S Molecular Weight (g/mol): 207.041 InChI Key: HJZFPRVFLBBAMU-UHFFFAOYSA-N Synonym: 4-bromo-2-thiophenecarboxylic acid,4-bromo-thiophene-2-carboxylic acid,2-thiophenecarboxylic acid, 4-bromo,4-bromothiophene-carboxylic acid,4-bromo-2-thiophene carboxylic acid,4-bromo-2-carboxythiophene,4-bromo-2-thiophenecarboxylicacid,3-bromothiophene-5-carboxylic acid,pubchem5189,4-bromo-2-thenoic acid PubChem CID: 610409 IUPAC Name: 4-bromothiophene-2-carboxylic acid SMILES: C1=C(SC=C1Br)C(=O)O

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Specifications

PubChem CID	610409
CAS	16694-18-1
Molecular Weight (g/mol)	207.041
SMILES	C1=C(SC=C1Br)C(=O)O
Synonym	4-bromo-2-thiophenecarboxylic acid,4-bromo-thiophene-2-carboxylic acid,2-thiophenecarboxylic acid, 4-bromo,4-bromothiophene-carboxylic acid,4-bromo-2-thiophene carboxylic acid,4-bromo-2-carboxythiophene,4-bromo-2-thiophenecarboxylicacid,3-bromothiophene-5-carboxylic acid,pubchem5189,4-bromo-2-thenoic acid
IUPAC Name	4-bromothiophene-2-carboxylic acid
InChI Key	HJZFPRVFLBBAMU-UHFFFAOYSA-N
Molecular Formula	C5H3BrO2S

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

CAS: 7312-14-3 Molecular Formula: C9H4BrClOS Molecular Weight (g/mol): 275.544 MDL Number: MFCD05664419 InChI Key: LRYLQGGHNAOVLT-UHFFFAOYSA-N Synonym: 5-bromobenzo b thiophene-2-carbonyl chloride,benzo b thiophene-2-carbonyl chloride, 5-bromo,5-bromo-1-benzo b thiophene-2-carbonyl chloride PubChem CID: 2795570 IUPAC Name: 5-bromo-1-benzothiophene-2-carbonyl chloride SMILES: C1=CC2=C(C=C1Br)C=C(S2)C(=O)Cl

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Specifications

PubChem CID	2795570
CAS	7312-14-3
Molecular Weight (g/mol)	275.544
MDL Number	MFCD05664419
SMILES	C1=CC2=C(C=C1Br)C=C(S2)C(=O)Cl
Synonym	5-bromobenzo b thiophene-2-carbonyl chloride,benzo b thiophene-2-carbonyl chloride, 5-bromo,5-bromo-1-benzo b thiophene-2-carbonyl chloride
IUPAC Name	5-bromo-1-benzothiophene-2-carbonyl chloride
InChI Key	LRYLQGGHNAOVLT-UHFFFAOYSA-N
Molecular Formula	C9H4BrClOS

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

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

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

Methyl 2,5-dichlorothiophene-3-carboxylate, 98%

CAS: 145129-54-0 Molecular Formula: C6H4Cl2O2S Molecular Weight (g/mol): 211.056 MDL Number: MFCD00051763 InChI Key: VCXPHMKCDRPIDG-UHFFFAOYSA-N Synonym: acmc-1c2sm,methyl 2,5-dichloro-3-thiophenecarboxylate,methyl-2,5-dichlorothiophene-3-carboxylate,methyl 2,5-dichloro-3-thiophenecarboxylate #,methyl 2,5-bis chloranyl thiophene-3-carboxylate,2,5-dichloro-3-thiophenecarboxylic acid methyl ester,3-thiophenecarboxylic acid, 2,5-dichloro-, methyl ester,3-thiophenecarboxylicacid, 2,5-dichloro-, methyl ester PubChem CID: 518961 IUPAC Name: methyl 2,5-dichlorothiophene-3-carboxylate SMILES: COC(=O)C1=C(SC(=C1)Cl)Cl

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Specifications

PubChem CID	518961
CAS	145129-54-0
Molecular Weight (g/mol)	211.056
MDL Number	MFCD00051763
SMILES	COC(=O)C1=C(SC(=C1)Cl)Cl
Synonym	acmc-1c2sm,methyl 2,5-dichloro-3-thiophenecarboxylate,methyl-2,5-dichlorothiophene-3-carboxylate,methyl 2,5-dichloro-3-thiophenecarboxylate #,methyl 2,5-bis chloranyl thiophene-3-carboxylate,2,5-dichloro-3-thiophenecarboxylic acid methyl ester,3-thiophenecarboxylic acid, 2,5-dichloro-, methyl ester,3-thiophenecarboxylicacid, 2,5-dichloro-, methyl ester
IUPAC Name	methyl 2,5-dichlorothiophene-3-carboxylate
InChI Key	VCXPHMKCDRPIDG-UHFFFAOYSA-N
Molecular Formula	C6H4Cl2O2S

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

Pricing and Availability
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

2,5-Dichlorothiophene-3-sulfonyl chloride, 97%

CAS: 56946-83-9 Molecular Formula: C4HCl3O2S2 Molecular Weight (g/mol): 251.52 MDL Number: MFCD00051665 InChI Key: JJKSHSHZJOWSEC-UHFFFAOYSA-N Synonym: 2,5-dichlorothiophene-3-sulphonyl chloride,2,5-dichloro-3-thiophenesulfonyl chloride,3-thiophenesulfonyl chloride, 2,5-dichloro,2,5-dichlorothiophene-3-sulfonic acid chloride,pubchem7412,2,5-dichlorothiophene-3-sulfonylchloride,acmc-1avwk,2,5-dichloro 3-thienyl chlorosulfone,2,5-dichloro-3-thienylsulfonyl chloride,2,5-dichlorothien-3-yl-sulfonyl chloride PubChem CID: 2736094 IUPAC Name: 2,5-dichlorothiophene-3-sulfonyl chloride SMILES: C1=C(SC(=C1S(=O)(=O)Cl)Cl)Cl

Pricing and Availability
Specifications

PubChem CID	2736094
CAS	56946-83-9
Molecular Weight (g/mol)	251.52
MDL Number	MFCD00051665
SMILES	C1=C(SC(=C1S(=O)(=O)Cl)Cl)Cl
Synonym	2,5-dichlorothiophene-3-sulphonyl chloride,2,5-dichloro-3-thiophenesulfonyl chloride,3-thiophenesulfonyl chloride, 2,5-dichloro,2,5-dichlorothiophene-3-sulfonic acid chloride,pubchem7412,2,5-dichlorothiophene-3-sulfonylchloride,acmc-1avwk,2,5-dichloro 3-thienyl chlorosulfone,2,5-dichloro-3-thienylsulfonyl chloride,2,5-dichlorothien-3-yl-sulfonyl chloride
IUPAC Name	2,5-dichlorothiophene-3-sulfonyl chloride
InChI Key	JJKSHSHZJOWSEC-UHFFFAOYSA-N
Molecular Formula	C4HCl3O2S2

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

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

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

2-Bromo-3-thiophenecarboxylic acid, 96%

CAS: 24287-95-4 Molecular Formula: C₅H₃BrO₂S Molecular Weight (g/mol): 207.04 MDL Number: MFCD05865213 InChI Key: RVSXMPCELBYUSF-UHFFFAOYSA-N Synonym: 2-bromo-3-thiophenecarboxylic acid,2-bromo-thiophene-3-carboxylic acid,2-bromo-thiophene-3-carboxylicacid,3-thiophenecarboxylic acid, 2-bromo,2-bromo-3-thenoic acid,acmc-209xc0,2-bromo-3-carboxythiophene,2-bromothiophene-3-carboxylic?acid,2-bromo-3-thiophene carboxylic acid,2-bromo-thiophene 3-carboxylic acid PubChem CID: 12320971 IUPAC Name: 2-bromothiophene-3-carboxylic acid SMILES: C1=CSC(=C1C(=O)O)Br

Pricing and Availability
Specifications

PubChem CID	12320971
CAS	24287-95-4
Molecular Weight (g/mol)	207.04
MDL Number	MFCD05865213
SMILES	C1=CSC(=C1C(=O)O)Br
Synonym	2-bromo-3-thiophenecarboxylic acid,2-bromo-thiophene-3-carboxylic acid,2-bromo-thiophene-3-carboxylicacid,3-thiophenecarboxylic acid, 2-bromo,2-bromo-3-thenoic acid,acmc-209xc0,2-bromo-3-carboxythiophene,2-bromothiophene-3-carboxylic?acid,2-bromo-3-thiophene carboxylic acid,2-bromo-thiophene 3-carboxylic acid
IUPAC Name	2-bromothiophene-3-carboxylic acid
InChI Key	RVSXMPCELBYUSF-UHFFFAOYSA-N
Molecular Formula	C₅H₃BrO₂S

3,4-Diaminothiophene dihydrochloride, 96%

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

Pricing and Availability
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-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

Pricing and Availability
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

Thiophene-2-carboxylic 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

Pricing and Availability
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

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