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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 17 results
1

2,5-Dimethylthiophene-3-boronic acid, 95%

CAS: 162607-23-0 Molecular Formula: C6H9BO2S Molecular Weight (g/mol): 156.01 MDL Number: MFCD09837620 InChI Key: RFQHMNWNEOZRLK-UHFFFAOYSA-N Synonym: 2,5-dimethylthiophene-3-boronic acid,2,5-dimethylthiophen-3-yl boronic acid,2,5-dimethyl-3-thienyl boronic acid,boronic acid,b-2,5-dimethyl-3-thienyl,2,5-dimethyl-3-thienylboronic acid,2,5-dimethylthien-3-ylboronic acid,boronic acid, 2,5-dimethyl-3-thienyl PubChem CID: 45588123 IUPAC Name: (2,5-dimethylthiophen-3-yl)boronic acid SMILES: CC1=CC(B(O)O)=C(C)S1

PubChem CID 45588123
CAS 162607-23-0
Molecular Weight (g/mol) 156.01
MDL Number MFCD09837620
SMILES CC1=CC(B(O)O)=C(C)S1
Synonym 2,5-dimethylthiophene-3-boronic acid,2,5-dimethylthiophen-3-yl boronic acid,2,5-dimethyl-3-thienyl boronic acid,boronic acid,b-2,5-dimethyl-3-thienyl,2,5-dimethyl-3-thienylboronic acid,2,5-dimethylthien-3-ylboronic acid,boronic acid, 2,5-dimethyl-3-thienyl
IUPAC Name (2,5-dimethylthiophen-3-yl)boronic acid
InChI Key RFQHMNWNEOZRLK-UHFFFAOYSA-N
Molecular Formula C6H9BO2S
2

5-Cyanothiophene-2-boronic acid, 98%

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

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
3

5-Formylthiophene-2-boronic 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

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
4

5-Methylthiophene-2-boronic acid, 98%

CAS: 162607-20-7 Molecular Formula: C5H7BO2S Molecular Weight (g/mol): 141.98 MDL Number: MFCD01318166 InChI Key: NRIYPIBRPGAWDD-UHFFFAOYSA-N Synonym: 5-methylthiophene-2-boronic acid,5-methylthiophen-2-yl boronic acid,5-methyl-2-thiopheneboronic acid,5-methyl-2-thienyl boronic acid,5-methyl-2-thienylboric acid,5-methylthiophen-2-yl boranediol,5-methyl-2-thienylboronic acid,5-methylthiophene-2-boronicacid,2-methylthiophene-5-boronic acid,2-methylthienyl-5-boronic acid PubChem CID: 2734374 IUPAC Name: (5-methylthiophen-2-yl)boronic acid SMILES: CC1=CC=C(S1)B(O)O

PubChem CID 2734374
CAS 162607-20-7
Molecular Weight (g/mol) 141.98
MDL Number MFCD01318166
SMILES CC1=CC=C(S1)B(O)O
Synonym 5-methylthiophene-2-boronic acid,5-methylthiophen-2-yl boronic acid,5-methyl-2-thiopheneboronic acid,5-methyl-2-thienyl boronic acid,5-methyl-2-thienylboric acid,5-methylthiophen-2-yl boranediol,5-methyl-2-thienylboronic acid,5-methylthiophene-2-boronicacid,2-methylthiophene-5-boronic acid,2-methylthienyl-5-boronic acid
IUPAC Name (5-methylthiophen-2-yl)boronic acid
InChI Key NRIYPIBRPGAWDD-UHFFFAOYSA-N
Molecular Formula C5H7BO2S
5

5-Chlorothiophene-2-boronic acid, 97+%

CAS: 162607-18-3 Molecular Formula: C4H4BClO2S Molecular Weight (g/mol): 162.39 MDL Number: MFCD00236030 InChI Key: JFCLNCVCDFUJPO-UHFFFAOYSA-N Synonym: 5-chlorothiophene-2-boronic acid,5-chloro-2-thienylboronic acid,5-chlorothiophen-2-yl boronic acid,5-chloro-2-thiopheneboronic acid,5-chlorothiophen-2-boronic acid,5-chlorothiophen-2-yl boranediol,5-chlorothiphene 2-boronic acid,5-chloro-2-thienyl boronic acid,boronic acid, 5-chloro-2-thienyl,5-chlorothiophene-2-boronicacid PubChem CID: 2734324 IUPAC Name: (5-chlorothiophen-2-yl)boronic acid SMILES: OB(O)C1=CC=C(Cl)S1

PubChem CID 2734324
CAS 162607-18-3
Molecular Weight (g/mol) 162.39
MDL Number MFCD00236030
SMILES OB(O)C1=CC=C(Cl)S1
Synonym 5-chlorothiophene-2-boronic acid,5-chloro-2-thienylboronic acid,5-chlorothiophen-2-yl boronic acid,5-chloro-2-thiopheneboronic acid,5-chlorothiophen-2-boronic acid,5-chlorothiophen-2-yl boranediol,5-chlorothiphene 2-boronic acid,5-chloro-2-thienyl boronic acid,boronic acid, 5-chloro-2-thienyl,5-chlorothiophene-2-boronicacid
IUPAC Name (5-chlorothiophen-2-yl)boronic acid
InChI Key JFCLNCVCDFUJPO-UHFFFAOYSA-N
Molecular Formula C4H4BClO2S
6

Benzo[b]thiophene-2-boronic acid, 97%

CAS: 98437-23-1 Molecular Formula: C8H7BO2S Molecular Weight (g/mol): 178.01 MDL Number: MFCD01075674 InChI Key: YNCYPMUJDDXIRH-UHFFFAOYSA-N Synonym: 2-benzothienylboronic acid,benzo b thiophen-2-ylboronic acid,benzo b thiophene-2-boronic acid,benzothiophene-2-boronic acid,1-benzothien-2-ylboronic acid,thianaphthene-2-boronic acid,benzo b thiophene-2-ylboronic acid,2-benzothiopheneboronic acid,benzothiophen-2-ylboronic acid PubChem CID: 2359 SMILES: OB(O)C1=CC2=CC=CC=C2S1

PubChem CID 2359
CAS 98437-23-1
Molecular Weight (g/mol) 178.01
MDL Number MFCD01075674
SMILES OB(O)C1=CC2=CC=CC=C2S1
Synonym 2-benzothienylboronic acid,benzo b thiophen-2-ylboronic acid,benzo b thiophene-2-boronic acid,benzothiophene-2-boronic acid,1-benzothien-2-ylboronic acid,thianaphthene-2-boronic acid,benzo b thiophene-2-ylboronic acid,2-benzothiopheneboronic acid,benzothiophen-2-ylboronic acid
InChI Key YNCYPMUJDDXIRH-UHFFFAOYSA-N
Molecular Formula C8H7BO2S
7

5-Formyl-4-methylthiophene-2-boronic acid, 97%

CAS: 352530-25-7 Molecular Formula: C6H7BO3S Molecular Weight (g/mol): 169.99 MDL Number: MFCD03093890 InChI Key: QEIXJCOHLUKRPO-UHFFFAOYSA-N Synonym: 5-formyl-4-methylthiophen-2-yl boronic acid,5-borono-3-methylthiophene-2-carboxaldehyde,5-formyl-4-methylthiophene-2-boronic acid,zlchem 1324,acmc-209iey,5-borono-3-methylthiophene-2-carbaldehyde,b-5-formyl-4-methyl-2-thienyl boronic acid,boronicacid,b-5-formyl-4-methyl-2-thienyl PubChem CID: 46738927 IUPAC Name: (5-formyl-4-methylthiophen-2-yl)boronic acid SMILES: CC1=C(SC(=C1)B(O)O)C=O

PubChem CID 46738927
CAS 352530-25-7
Molecular Weight (g/mol) 169.99
MDL Number MFCD03093890
SMILES CC1=C(SC(=C1)B(O)O)C=O
Synonym 5-formyl-4-methylthiophen-2-yl boronic acid,5-borono-3-methylthiophene-2-carboxaldehyde,5-formyl-4-methylthiophene-2-boronic acid,zlchem 1324,acmc-209iey,5-borono-3-methylthiophene-2-carbaldehyde,b-5-formyl-4-methyl-2-thienyl boronic acid,boronicacid,b-5-formyl-4-methyl-2-thienyl
IUPAC Name (5-formyl-4-methylthiophen-2-yl)boronic acid
InChI Key QEIXJCOHLUKRPO-UHFFFAOYSA-N
Molecular Formula C6H7BO3S
8

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

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
9

Benzo[b]thiophene-2-boronic Acid (contains varying amounts of Anhydride), TCI America™
SDP

Molecular Weight (g/mol) 178.012
Color White-Yellow
Physical Form Crystalline Powder
SMILES B(C1=CC2=CC=CC=C2S1)(O)O
InChI Key YNCYPMUJDDXIRH-UHFFFAOYSA-N
PubChem CID 2359
CAS 98437-23-1
MDL Number MFCD01075674
Synonym 2-benzothienylboronic acid,benzo b thiophen-2-ylboronic acid,benzo b thiophene-2-boronic acid,benzothiophene-2-boronic acid,1-benzothien-2-ylboronic acid
TSCA No
IUPAC Name 1-benzothiophen-2-ylboronic acid
Molecular Formula C8H7BO2S
Formula Weight 178.01
Melting Point 260°C
10

Benzo[b]thiophene-2-boronic Acid (contains varying amounts of Anhydride), TCI America™
SDP

CAS: 98437-23-1 Molecular Formula: C8H7BO2S Molecular Weight (g/mol): 178.01 MDL Number: MFCD01075674 InChI Key: YNCYPMUJDDXIRH-UHFFFAOYSA-N Synonym: 2-benzothienylboronic acid,benzo b thiophen-2-ylboronic acid,benzo b thiophene-2-boronic acid,benzothiophene-2-boronic acid,1-benzothien-2-ylboronic acid,thianaphthene-2-boronic acid,benzo b thiophene-2-ylboronic acid,2-benzothiopheneboronic acid,benzothiophen-2-ylboronic acid PubChem CID: 2359 IUPAC Name: (1-benzothiophen-2-yl)boronic acid SMILES: OB(O)C1=CC2=CC=CC=C2S1

PubChem CID 2359
CAS 98437-23-1
Molecular Weight (g/mol) 178.01
MDL Number MFCD01075674
SMILES OB(O)C1=CC2=CC=CC=C2S1
Synonym 2-benzothienylboronic acid,benzo b thiophen-2-ylboronic acid,benzo b thiophene-2-boronic acid,benzothiophene-2-boronic acid,1-benzothien-2-ylboronic acid,thianaphthene-2-boronic acid,benzo b thiophene-2-ylboronic acid,2-benzothiopheneboronic acid,benzothiophen-2-ylboronic acid
IUPAC Name (1-benzothiophen-2-yl)boronic acid
InChI Key YNCYPMUJDDXIRH-UHFFFAOYSA-N
Molecular Formula C8H7BO2S
11

Matrix Scientific 5-CYANOTHIOPHENE-2-BORONIC -1G

5-Cyanothiophene-2-boronic acid, 98%-1g,C5H4BNO2S, MFCD02094029, mw 152.97,

ENCOMPASS_PREFERRED
12

Sigma Organic Chemistry 4-methylthioph -2-boron | 250mg | 162607-15-0 | MFCD01319040

4-methylthioph -2-boron , 250mg

About this Item:

CAS #: 162607-15-0
MDL #: MFCD01319040
Molecular Weight: 141.98
UNSPSC Code: 12352200
Chemical Formula: C5H7BO2S

ENCOMPASS_PREFERRED
13

eMolecules​ 3-Chlorothiophene-2-boronic acid | 324024-80-8 | 1G | Purity: 95%

Combi-Blocks | 3-Chlorothiophene-2-boronic acid | 1G | 324024-80-8 | MFCD07368231

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14

eMolecules​ 3-Carboxythiophene-2-boronic acid | 519054-53-6 | 1G | Purity: 95%

Combi-Blocks | 3-Carboxythiophene-2-boronic acid | 1G | 519054-53-6 | MFCD03407366

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15

eMolecules​ 3-Cyanothiophene-4-boronic acid pinacol ester | 1073354-61-6 | 250MG | Purity: 97%

Combi-Blocks | 3-Cyanothiophene-4-boronic acid pinacol ester | 250MG | 1073354-61-6 | MFCD08669563

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