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1-Thianthrenylboronic Acid (contains varying amounts of Anhydride)
CAS: 108847-76-3 PubChem CID: 2734382 Formula: C₁₂H₉BO₂S₂ Molecular Weight: 260.14

≥95%

In Stock Item #: T120117

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Technical Identifiers

IUPAC Name

thianthren-1-ylboronic acid

SMILES

B(C1=C2C(=CC=C1)SC3=CC=CC=C3S2)(O)O

InChIKey
FZEWPLIHPXGNTB-UHFFFAOYSA-N

InChI

1S/C12H9BO2S2/c14-13(15)8-4-3-7-11-12(8)17-10-6-2-1-5-9(10)16-11/h1-7,14-15H

Synonyms
FZEWPLIHPXGNTB-UHFFFAOYSA-N | SCHEMBL911569 | AB01333774-02 | CU-00000000459-1 | BCP30693 | NCGC00340558-01 | T3706 |...
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Dimesitylfluoroborane
CAS: 436-59-9 Formula: C₁₈H₂₂BF Molecular Weight: 268.18

≥93%

In Stock Item #: D155802

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IUPAC Name

fluoro-bis(2,4,6-trimethylphenyl)borane

SMILES

B(C1=C(C=C(C=C1C)C)C)(C2=C(C=C(C=C2C)C)C)F

InChIKey
WZWGERGANZMXOM-UHFFFAOYSA-N

InChI

1S/C18H22BF/c1-11-7-13(3)17(14(4)8-11)19(20)18-15(5)9-12(2)10-16(18)6/h7-10H,1-6H3

Synonyms
fluoro[bis(2,4,6-trimethylphenyl)]borane | dimesityifluoroborane | Bis-(2,4,6-trimethyl-phenyl)-fluoroborane | AKOS00...
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Lithium Tetrafluoroborate
CAS: 14283-07-9 EC Number: 238-178-9 Formula: BF₄Li Molecular Weight: 93.75

≥98%

In Stock Item #: L107397

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IUPAC Name

lithium;tetrafluoroborate

SMILES

[Li+].[B-](F)(F)(F)F

InChIKey
UFXJWFBILHTTET-UHFFFAOYSA-N

InChI

1S/BF4.Li/c2-1(3,4)5;/q-1;+1

Synonyms
AKOS015832926 | AF751CNK2N | Lithium fluoroborate | Lithium tetrafluoroborate | Lithium tetrafluoroborate, anhydrous ...
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5-Bromo-1,3-phenylenediboronic acid, pinacol ester
CAS: 1150561-62-8 Formula: C₁₈H₂₇B₂BrO₄ Molecular Weight: 408.9

≥98%

Out of Stock Item #: B179686

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IUPAC Name

2-[3-bromo-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

SMILES

B1(OC(C(O1)(C)C)(C)C)C2=CC(=CC(=C2)Br)B3OC(C(O3)(C)C)(C)C

InChIKey
SBTVIDRGECAWAZ-UHFFFAOYSA-N

InChI

1S/C18H27B2BrO4/c1-15(2)16(3,4)23-19(22-15)12-9-13(11-14(21)10-12)20-24-17(5,6)18(7,8)25-20/h9-11H,1-8H3

Synonyms
BS-19449 | 5-Bromo-1,3-phenylenediboronic acid, pinacol ester | DTXSID20675072 | AWB56162 | 2-[3-bromo-5-(4,4,5,5-tet...
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Bis(2,4-dimethylpentane-2,4-glycolato)diboron
CAS: 230299-46-4 EC Number: 998-067-2 Formula: C₁₄H₂₈B₂O₄ Molecular Weight: 281.99

Solid ≥97%

Out of Stock Item #: O192187

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IUPAC Name

4,4,6,6-tetramethyl-2-(4,4,6,6-tetramethyl-1,3,2-dioxaborinan-2-yl)-1,3,2-dioxaborinane

SMILES

B1(OC(CC(O1)(C)C)(C)C)B2OC(CC(O2)(C)C)(C)C

InChIKey
CZLUUPDJUFXXHF-UHFFFAOYSA-N

InChI

1S/C14H28B2O4/c1-11(2)9-12(3,4)18-15(17-11)16-19-13(5,6)10-14(7,8)20-16/h9-10H2,1-8H3

Synonyms
FT-0600734 | J-014949 | AKOS015915355 | Bis(2,4-dimethylpentane-2,4-glycolato)diboron | MFCD03490499 | SCHEMBL456813 ...
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4,4,5,5-Tetramethyl-2-(o-tolyl)-1,3,2-dioxaborolane
CAS: 195062-59-0 PubChem CID: 10704008 Formula: C₁₃H₁₉BO₂ Molecular Weight: 218.1

≥97%(GC)

In Stock Item #: T162797

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IUPAC Name

4,4,5,5-tetramethyl-2-(2-methylphenyl)-1,3,2-dioxaborolane

SMILES

B1(OC(C(O1)(C)C)(C)C)C2=CC=CC=C2C

InChIKey
NUFSJKMRPYGNHV-UHFFFAOYSA-N

InChI

1S/C13H19BO2/c1-10-8-6-7-9-11(10)14-15-12(2,3)13(4,5)16-14/h6-9H,1-5H3

Synonyms
2-Tolylboronic acid pinacol ester | 2-Methylphenylboronic acid pinacol ester | AS-2518 | SY051221 | AM808111 | EN300-...
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4-(4-Furfuryliminomethyl)benzeneboronic acid pinacol ester
CAS: 1218790-46-5 PubChem CID: 46739747 Formula: C₁₈H₂₂BNO₃ Molecular Weight: 311.18

≥97%

In Stock Item #: F357847

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IUPAC Name

N-(furan-2-ylmethyl)-1-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]methanimine

SMILES

B1(OC(C(O1)(C)C)(C)C)C2=CC=C(C=C2)C=NCC3=CC=CO3

InChIKey
IIAOBOBJQMILAT-UHFFFAOYSA-N

InChI

1S/C18H22BNO3/c1-17(2)18(3,4)23-19(22-17)15-9-7-14(8-10-15)12-20-13-16-6-5-11-21-16/h5-12H,13H2,1-4H3

Synonyms
DTXSID40675332 | J-004695 | 4-(4-Furfuryl)iminomethyl phenyl boronic acid pinacol ester | AS-2345 | AKOS016339716 | (...
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4-tert-Butylphenylboronic Acid (contains varying amounts of Anhydride)
CAS: 123324-71-0 Formula: C₁₀H₁₅BO₂ Molecular Weight: 178.04

≥97%

In Stock Item #: B103182

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IUPAC Name

(4-tert-butylphenyl)boronic acid

SMILES

B(C1=CC=C(C=C1)C(C)(C)C)(O)O

InChIKey
MNJYZNVROSZZQC-UHFFFAOYSA-N

InChI

1S/C10H15BO2/c1-10(2,3)8-4-6-9(7-5-8)11(12)13/h4-7,12-13H,1-3H3

Synonyms
4-t-butylphenyl boronic acid | 4-t-butyl-phenyl boronic acid | EN300-49217 | SY001215 | 4-(tert butyl)-phenyl boronic...
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4,4,5,5-Tetramethyl-2-[3-(trifluoromethoxy)phenyl]-1,3,2-dioxaborolane
CAS: 262376-31-8 PubChem CID: 2760602 Formula: C₁₃H₁₆BF₃O₃ Molecular Weight: 288.07

≥98%

In Stock Item #: T162796

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IUPAC Name

4,4,5,5-tetramethyl-2-[3-(trifluoromethoxy)phenyl]-1,3,2-dioxaborolane

SMILES

B1(OC(C(O1)(C)C)(C)C)C2=CC(=CC=C2)OC(F)(F)F

InChIKey
BUSBFOTXIPZTDH-UHFFFAOYSA-N

InChI

1S/C13H16BF3O3/c1-11(2)12(3,4)20-14(19-11)9-6-5-7-10(8-9)18-13(15,16)17/h5-8H,1-4H3

Synonyms
3-Trifluoromethoxyphenylboronic acid pinacol ester | AB22729 | AKOS015960082 | T3377 | 4,4,5,5-Tetramethyl-2-(3-(trif...
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3,4-Dimethoxyphenylboronic acid(contains varying amounts of Anhydride)
CAS: 122775-35-3 Formula: C₈H₁₁BO₄ Molecular Weight: 181.98

≥97%

In Stock Item #: D104292

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Technical Identifiers

IUPAC Name

(3,4-dimethoxyphenyl)boronic acid

SMILES

B(C1=CC(=C(C=C1)OC)OC)(O)O

InChIKey
RCVDPBFUMYUKPB-UHFFFAOYSA-N

InChI

1S/C8H11BO4/c1-12-7-4-3-6(9(10)11)5-8(7)13-2/h3-5,10-11H,1-2H3

Synonyms
EN300-52543 | D3512 | FT-0614338 | 3,4-Dimethoxyphenylboronic aicd | MFCD01074574 | 3,4-Dimethoxyphenylboronicacid | ...
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3,4-Difluorophenylboronic acid (contains varying amounts of Anhydride)
CAS: 168267-41-2 Formula: F₂C₆H₃B(OH)₂ Molecular Weight: 157.91

≥98%

In Stock Item #: D101128

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Technical Identifiers

IUPAC Name

(3,4-difluorophenyl)boronic acid

SMILES

B(C1=CC(=C(C=C1)F)F)(O)O

InChIKey
RMGYQBHKEWWTOY-UHFFFAOYSA-N

InChI

1S/C6H5BF2O2/c8-5-2-1-4(7(10)11)3-6(5)9/h1-3,10-11H

Synonyms
[3,4-bis(fluoranyl)phenyl]boronic acid | 3,4-diflurophenyl boronic acid | dihydroxy(3,4-difluorophenyl)borane | (3,4-...
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3-Formylphenylboronic acid, pinacol ester(contains varying amounts of Anhydride)
CAS: 380151-86-0 Formula: C₁₃H₁₇BO₃ Molecular Weight: 232.08

≥98%

In Stock Item #: F170020

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IUPAC Name

3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzaldehyde

SMILES

B1(OC(C(O1)(C)C)(C)C)C2=CC(=CC=C2)C=O

InChIKey
IFYMOLFMYIDYEN-UHFFFAOYSA-N

InChI

1S/C13H17BO3/c1-12(2)13(3,4)17-14(16-12)11-7-5-6-10(8-11)9-15/h5-9H,1-4H3

Synonyms
3-(tetramethyl-1,3,2-dioxaborolan-2-yl)benzaldehyde | 3-FORMYL BENZENE BORONIC ACID PINACOL ESTER | 3-Formylphenylbor...

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Frequently Asked Questions

How do I choose between Boronic Acids and Derivatives variants?

Match reagent to substrate compatibility, required selectivity, scalability, and downstream purification needs. Different boronic acids and derivatives have distinct reactivity profiles — review reaction conditions and reported yields for each variant.

What specifications matter for Boronic Acids and Derivatives?

Purity, titer (for solution reagents), water content for moisture-sensitive reagents, stabilizer presence, and pack size. Always check certificate of analysis for batch-specific quality data.

How should Boronic Acids and Derivatives be stored and handled?

Many synthesis reagents are moisture- or air-sensitive. Store in sealed containers under inert atmosphere when specified. Solution reagents may degrade after multiple openings — aliquot for long-term storage.

Are research and process scales both available?

Yes. Boronic Acids and Derivatives are available in gram-scale research quantities through kilogram-scale process supplies. Bulk packaging and custom synthesis options are available on request.

Boronic acids and related derivatives are core reagents for Suzuki-type couplings, derivatization, and scaffold diversification. Selection usually depends on substrate class, boron format, substitution pattern, stability, coupling partner, and how directly the reagent supports the intended synthetic sequence. This page helps chemists compare ready-to-use boron-containing intermediates for library expansion and route scouting. It is especially useful in combination with cross-coupling catalysts and halogenated building blocks.