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Bi- and oligothiophenes

Organic compounds that contain two or more thiophene rings bridged together; thiophenes are a five-membered ring with four carbon atoms and one sulfur atom. Oligothiophenes are important organic electronic materials.
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5,5'-Dimethyl-2,2'-bithiophene, 99%

CAS: 16303-58-5 Molecular Formula: C10H10S2 Molecular Weight (g/mol): 194.32 MDL Number: MFCD01927313 InChI Key: DKHDQTBBXQMFPP-UHFFFAOYSA-N Synonym: 5,5'-dimethyl-2,2'-bithiophene,5,5'-dimethyl-2,2'-bithiophenyl,2-methyl-5-5-methylthiophen-2-yl thiophene,2,2'-bi 5-methylthiophene,2,2'-bithiophene,5,5'-dimethyl,5,5'-dimethyl-2,2' bithiophenyl,5-methyl-2-5-methyl 2-thienyl thiophene PubChem CID: 284486 IUPAC Name: 2-methyl-5-(5-methylthiophen-2-yl)thiophene SMILES: CC1=CC=C(S1)C2=CC=C(S2)C

PubChem CID 284486
CAS 16303-58-5
Molecular Weight (g/mol) 194.32
MDL Number MFCD01927313
SMILES CC1=CC=C(S1)C2=CC=C(S2)C
Synonym 5,5'-dimethyl-2,2'-bithiophene,5,5'-dimethyl-2,2'-bithiophenyl,2-methyl-5-5-methylthiophen-2-yl thiophene,2,2'-bi 5-methylthiophene,2,2'-bithiophene,5,5'-dimethyl,5,5'-dimethyl-2,2' bithiophenyl,5-methyl-2-5-methyl 2-thienyl thiophene
IUPAC Name 2-methyl-5-(5-methylthiophen-2-yl)thiophene
InChI Key DKHDQTBBXQMFPP-UHFFFAOYSA-N
Molecular Formula C10H10S2
2

4-chloro-5-(2-thienyl)thieno[2,3-d]pyrimidine, 97%, Thermo Scientific™

CAS: 189681-04-7 Molecular Formula: C10H5ClN2S2 Molecular Weight (g/mol): 252.73 MDL Number: MFCD00174019 InChI Key: VNWBUFWVNCUUKY-UHFFFAOYSA-N Synonym: 4-chloro-5-2-thienyl thieno 2,3-d pyrimidine,4-chloro-5-thiophen-2-yl thieno 2,3-d pyrimidine,thieno 2,3-d pyrimidine,4-chloro-5-2-thienyl,4-chloro-5-2-thienyl thiopheno 2,3-d pyrimidine,4-chloro-5-thiophen-2-ylthieno 2,3-d pyrimidine PubChem CID: 735732 SMILES: ClC1=C2C(SC=C2C2=CC=CS2)=NC=N1

PubChem CID 735732
CAS 189681-04-7
Molecular Weight (g/mol) 252.73
MDL Number MFCD00174019
SMILES ClC1=C2C(SC=C2C2=CC=CS2)=NC=N1
Synonym 4-chloro-5-2-thienyl thieno 2,3-d pyrimidine,4-chloro-5-thiophen-2-yl thieno 2,3-d pyrimidine,thieno 2,3-d pyrimidine,4-chloro-5-2-thienyl,4-chloro-5-2-thienyl thiopheno 2,3-d pyrimidine,4-chloro-5-thiophen-2-ylthieno 2,3-d pyrimidine
InChI Key VNWBUFWVNCUUKY-UHFFFAOYSA-N
Molecular Formula C10H5ClN2S2
3

2,2-Bithiophene-5-carboxylic acid, 97%, Thermo Scientific™

CAS: 2060-55-1 Molecular Formula: C9H6O2S2 Molecular Weight (g/mol): 210.265 InChI Key: PTNWHEHDBNNKEO-UHFFFAOYSA-N Synonym: 2,2'-bithiophene-5-carboxylic acid,5-thiophen-2-yl thiophene-2-carboxylic acid,2,2-bithiophene-5-carboxylic acid,2,2'-bithiophene-5-carboxylicacid,2,2' bithiophenyl-5-carboxylic acid,2,2'-bithiophene-5-ca,5-carboxy-2,2'-bithiophene,2,2'-bithienyl-5'-carboxylic,5-2-thienyl-2-thiophenecarboxylic acid PubChem CID: 150965 IUPAC Name: 5-thiophen-2-ylthiophene-2-carboxylic acid SMILES: C1=CSC(=C1)C2=CC=C(S2)C(=O)O

PubChem CID 150965
CAS 2060-55-1
Molecular Weight (g/mol) 210.265
SMILES C1=CSC(=C1)C2=CC=C(S2)C(=O)O
Synonym 2,2'-bithiophene-5-carboxylic acid,5-thiophen-2-yl thiophene-2-carboxylic acid,2,2-bithiophene-5-carboxylic acid,2,2'-bithiophene-5-carboxylicacid,2,2' bithiophenyl-5-carboxylic acid,2,2'-bithiophene-5-ca,5-carboxy-2,2'-bithiophene,2,2'-bithienyl-5'-carboxylic,5-2-thienyl-2-thiophenecarboxylic acid
IUPAC Name 5-thiophen-2-ylthiophene-2-carboxylic acid
InChI Key PTNWHEHDBNNKEO-UHFFFAOYSA-N
Molecular Formula C9H6O2S2
4
Promotions Available

2,2'-Bithiophene-5-boronic acid pinacol ester, 98%

CAS: 479719-88-5 Molecular Formula: C14H17BO2S2 Molecular Weight (g/mol): 292.22 MDL Number: MFCD04039974 InChI Key: HPOQARMSOPOZMW-UHFFFAOYSA-N Synonym: 2,2'-bithiophene-5-boronic acid pinacol ester,5-4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl-2,2'-bithiophene,2-2,2'-bithiophen-5-yl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane,4,4,5,5-tetramethyl-2-5-thiophen-2-yl thiophen-2-yl-1,3,2-dioxaborolane,acmc-209kb7,4,4,5,5-tetramethyl-2-5-thiophen-2-ylthiophen-2-yl-1,3,2-dioxaborolane,2,2'-bithiophene-5'-boronic acid pinacol ester PubChem CID: 3592790 IUPAC Name: 4,4,5,5-tetramethyl-2-(5-thiophen-2-ylthiophen-2-yl)-1,3,2-dioxaborolane SMILES: CC1(C)OB(OC1(C)C)C1=CC=C(S1)C1=CC=CS1

PubChem CID 3592790
CAS 479719-88-5
Molecular Weight (g/mol) 292.22
MDL Number MFCD04039974
SMILES CC1(C)OB(OC1(C)C)C1=CC=C(S1)C1=CC=CS1
Synonym 2,2'-bithiophene-5-boronic acid pinacol ester,5-4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl-2,2'-bithiophene,2-2,2'-bithiophen-5-yl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane,4,4,5,5-tetramethyl-2-5-thiophen-2-yl thiophen-2-yl-1,3,2-dioxaborolane,acmc-209kb7,4,4,5,5-tetramethyl-2-5-thiophen-2-ylthiophen-2-yl-1,3,2-dioxaborolane,2,2'-bithiophene-5'-boronic acid pinacol ester
IUPAC Name 4,4,5,5-tetramethyl-2-(5-thiophen-2-ylthiophen-2-yl)-1,3,2-dioxaborolane
InChI Key HPOQARMSOPOZMW-UHFFFAOYSA-N
Molecular Formula C14H17BO2S2
5

Medchemexpress LLC Fluorogenic dibenzocyclooctyne | 1407523-31-2 | MFCD32645582 | 99.3% | 288.30 | C19H12O3 | 10 MG
SDP

Fl-DIBO is a fluorogenic dibenzocyclooctyne reagent used for bioorthogonal labeling of azide-containing molecules. It reacts rapidly with azides to form highly fluorescent products (excitation 363 nm, emission 469 nm), enabling sensitive labeling with low background.

  • Fluorogenic probe for azide compounds enabling sensitive detection
  • Rapid click chemistry reaction producing strong fluorescence (excitation 363 nm; emission 469 nm)
  • High purity (~99.3%) and defined molecular weight (288.30)
  • Available in small research quantities such as 10 mg
  • Store at 4°C, protect from light; in solvent store at -80°C for long-term stability

ENCOMPASS_PREFERRED
6

2,2'-Bithiophene 98.0+%, TCI America™

CAS: 492-97-7 Molecular Formula: C8H6S2 Molecular Weight (g/mol): 166.256 MDL Number: MFCD00005414 InChI Key: OHZAHWOAMVVGEL-UHFFFAOYSA-N Synonym: 2,2'-bithiophene,2,2'-bithienyl,dithienyl,bithiophene,2,2'-dithienyl,2,2' bithiophenyl,2,2-bithiophene,2,2'-dithiophene,alpha-bithiophene,2-2-thienyl thiophene PubChem CID: 68120 ChEBI: CHEBI:36821 IUPAC Name: 2-thiophen-2-ylthiophene SMILES: C1=CSC(=C1)C2=CC=CS2

PubChem CID 68120
CAS 492-97-7
Molecular Weight (g/mol) 166.256
ChEBI CHEBI:36821
MDL Number MFCD00005414
SMILES C1=CSC(=C1)C2=CC=CS2
Synonym 2,2'-bithiophene,2,2'-bithienyl,dithienyl,bithiophene,2,2'-dithienyl,2,2' bithiophenyl,2,2-bithiophene,2,2'-dithiophene,alpha-bithiophene,2-2-thienyl thiophene
IUPAC Name 2-thiophen-2-ylthiophene
InChI Key OHZAHWOAMVVGEL-UHFFFAOYSA-N
Molecular Formula C8H6S2
7

SC 514, Tocris Bioscience™

CAS: 354812-17-2 Molecular Formula: C9H8N2OS2 Molecular Weight (g/mol): 224.296 InChI Key: BMUACLADCKCNKZ-UHFFFAOYSA-N Synonym: 3-amino-5-thiophen-3-yl thiophene-2-carboxamide,4-amino-2,3'-bithiophene-5-carboxamide,ikk-2 inhibitor, sc-514,insolution ikk-2 inhibitor, sc-514,5-thien-3-yl-3-aminothiophene-2-carboxamide,curator_000007,4-amino-2,3-bithiophene-5-carboxamide,biomolki_000076,biomolki2_000080,d0t6va PubChem CID: 2807869 IUPAC Name: 3-amino-5-thiophen-3-ylthiophene-2-carboxamide SMILES: C1=CSC=C1C2=CC(=C(S2)C(=O)N)N

PubChem CID 2807869
CAS 354812-17-2
Molecular Weight (g/mol) 224.296
SMILES C1=CSC=C1C2=CC(=C(S2)C(=O)N)N
Synonym 3-amino-5-thiophen-3-yl thiophene-2-carboxamide,4-amino-2,3'-bithiophene-5-carboxamide,ikk-2 inhibitor, sc-514,insolution ikk-2 inhibitor, sc-514,5-thien-3-yl-3-aminothiophene-2-carboxamide,curator_000007,4-amino-2,3-bithiophene-5-carboxamide,biomolki_000076,biomolki2_000080,d0t6va
IUPAC Name 3-amino-5-thiophen-3-ylthiophene-2-carboxamide
InChI Key BMUACLADCKCNKZ-UHFFFAOYSA-N
Molecular Formula C9H8N2OS2