Boronic Acids and Derivatives

(+)-Diisopinocampheylchloroborane, 1.8M solution in hexanes, AcroSeal™, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: (+)-Diisopinocampheylchloroborane CAS: 112246-73-8 CAS: 80-56-8 CAS: 80-56-8 CAS: 71-43-2 CAS: 64742-89-8 Molecular Formula: C20H34BCl Formula Weight: 320.77 MDL Number: MFCD00074808

Alfa Aesar™ Sodium metaborate tetrahydrate, 98%

Chemical Name or Material: Sodium metaborate tetrahydrate CAS: 10555-76-7 Molecular Formula: NaBO2·4H2O Formula Weight: 137.86 (65.80 Anhydrous) MDL Number: MFCD00149205

3,4,5-Trifluorophenylboronic acid, 95+%, ACROS Organics™

Chemical Name or Material: 3, 4, 5-Trifluorophenylboronic acid CAS: 143418-49-9 CAS Min %: 95.0 CAS Max %: 100.0 Assay: ≥95.0% Assay Percent Range: 95+% Molecular Formula: C6H4BF3O2 Formula Weight: 175.9 MDL Number: MFCD02093069

4-Iodophenylboronic acid, 97%, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: 4-Iodophenylboronic acid CAS: 5122-99-6 CAS Min %: 96.0 CAS Max %: 100.0 Assay: ≥96.0% Assay Percent Range: 97% Molecular Formula: C6H6BIO2 Formula Weight: 247.82

3,5-Dimethylpyrazole-4-boronic acid pinacol ester, 97%, ACROS Organics™

Chemical Name or Material: 3, 5-Dimethylpyrazole-4-boronic acid pinacol ester Assay Percent Range: 97% Molecular Formula: C11H19BN2O2 Formula Weight: 222.09 MDL Number: MFCD05663852

4-Tolylboronic acid, 97%, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: 4-Tolylboronic acid CAS: 1395356 CAS Min %: 96.0 CAS Max %: 100.0 Assay: ≥96.0% Assay Percent Range: 97% Molecular Formula: C7H9BO2 Linear Formula: CH3C6H4B(OH) Formula Weight: 135.96 MDL Number: MFCD00039138

Alfa Aesar™ 4-Ethylcyclohexene-1-boronic acid, 98%

Chemical Name or Material: 4-Ethylcyclohexene-1-boronic acid CAS: 871329-72-5 Molecular Formula: C8H15BO2 Formula Weight: 154.02 MDL Number: MFCD07783854

Alfa Aesar™ [(N-Benzyl-N-methylammonium)methyl]trifluoroborate internal salt, 95 %

Chemical Name or Material: [(N-Benzyl-N-methylammonium)methyl]trifluoroborate internal salt Molecular Formula: C9H13BF3N Formula Weight: 203.02 MDL Number: MFCD20134169

9-Borabicyclo[3.3.1]nonyl trifluoromethanesulfonate, 0.5M solution in hexanes, AcroSeal™, ACROS Organics™

Chemical Name or Material: 9-Borabicyclo[3.3.1]nonyl trifluoromethanesulfonate CAS: 62731-43-5 CAS Min %: 14.74 CAS Max %: 22.11 CAS: 110-54-3 CAS Min %: 77.89 CAS Max %: 85.26 Molecular Formula: C9H14BF3O3S Formula Weight: 270.08 MDL Number: MFCD00167981 Synonym: 9-BBN triflate

Alfa Aesar™ 3-(2-Carboxyethyl)benzeneboronic acid, 96%

Chemical Name or Material: 3-(2-Carboxyethyl)benzeneboronic acid CAS: 693803-17-7 Molecular Formula: C9H11BO4 Formula Weight: 193.99 MDL Number: MFCD04115649 Synonym: 3-(2-Carboxyethyl)phenylboronic acid; 3-(3-Boronophenyl)propionic acid

Alfa Aesar™ 4-(1-Naphthyl)benzeneboronic acid, 97%

Chemical Name or Material: 4-(1-Naphthyl)benzeneboronic acid CAS: 870774-25-7 Molecular Formula: C16H13BO2 Formula Weight: 248.09 MDL Number: MFCD08669639 Synonym: 4-(1-Naphthyl)phenylboronic acid

4-Carboxyphenylboronic acid, 97%, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: 4-Carboxyphenylboronic acid CAS: 14047-29-1 CAS Min %: 96.0 CAS Max %: 100.0 Assay: ≥96.0% Assay Percent Range: 97% Molecular Formula: C7H7BO4 Linear Formula: HOOCC6H4B(OH)2 Formula Weight: 165.94 MDL Number: MFCD00151801

Alfa Aesar™ Isobutylboronic acid, 97%

Chemical Name or Material: Isobutylboronic acid CAS: 84110-40-7 Molecular Formula: (CH3)2CHCH2B(OH)2 Formula Weight: 101.94 MDL Number: MFCD00134156 Synonym: (2-Methylpropyl)boronic acid

4-Amino-3-fluorophenylboronic acid hydrochloride, 97%, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: 4-Amino-3-fluorophenylboronic acid hydrochloride Assay Percent Range: 97% Molecular Formula: C6H7BFNO2·ClH Formula Weight: 191.4

Alfa Aesar™ 1-Propylboronic acid pinacol ester, 98%

Chemical Name or Material: 1-Propylboronic acid pinacol ester CAS: 67562-19-0 Molecular Formula: C9H19BO2 Formula Weight: 170.06 MDL Number: MFCD12546187 UN Number: UN1993 Synonym: 4,4,5,5-Tetramethyl-2-n-propyl-1,3,2-dioxaborolane

Alfa Aesar™ 2-Fluoro-4-(4-methyl-1-piperazinylcarbonyl)benzeneboronic acid, 96%

Chemical Name or Material: 2-Fluoro-4-(4-methyl-1-piperazinylcarbonyl)benzeneboronic acid CAS: 1454901-23-5 Formula Weight: 266.08 Beilstein: 24007287

Alfa Aesar™ 4-Formylbenzeneboronic acid, 97%

Chemical Name or Material: 4-Formylbenzeneboronic acid CAS: 87199-17-5 Molecular Formula: C7H7BO3 Formula Weight: 149.94 MDL Number: MFCD00151823 Beilstein: 3030770 Synonym: 4-Boronobenzaldehyde; 4-Formylphenylboronic acid

3-Methoxycarbonylphenylboronic acid, 97%, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: 3-Methoxycarbonylphenylboronic acid CAS: 99769-19-4 CAS Min %: 96.0 CAS Max %: 100.0 Assay: ≥96% Assay Percent Range: 97% Molecular Formula: C8H9BO4 Formula Weight: 179.97 MDL Number: MFCD02093046

4-(Carboxymethyl)phenylboronic acid pinacol ester, 97%, ACROS Organics™

Chemical Name or Material: 4-(Carboxymethyl)phenylboronic acid pinacol ester Assay Percent Range: 97% Molecular Formula: C14H19BO4 Formula Weight: 262.11 Synonym: 2-(4-(4, 4, 5

Potassium ethyltrifluoroborate, 97%, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Potassium ethyltrifluoroborate Assay Percent Range: 97% Molecular Formula: C2H5BF3K Formula Weight: 135.97

4-[(Ethoxycarbonyl)methyl]phenylboronic acid pinacol ester, 97%, ACROS Organics™

Chemical Name or Material: 4-[(Ethoxycarbonyl)methyl]phenylboronic acid pinacol ester Assay Percent Range: 97% Molecular Formula: C16H23BO4 Formula Weight: 290.16

Alfa Aesar™ 4-(Methoxycarbonyl)benzeneboronic acid pinacol ester, 97%

Chemical Name or Material: 4-(Methoxycarbonyl)benzeneboronic acid pinacol ester CAS: 171364-80-0 Molecular Formula: C14H19BO4 Formula Weight: 262.11 MDL Number: MFCD02179438 Synonym: 4-(Methoxycarbonyl)phenylboronic acid pinacol ester; 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)benzoic acid methyl ester

3-(Benzyloxy)phenylboronic acid, 97% Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: 3-(Benzyloxy)phenylboronic acid CAS: 156682-54-1 CAS Min %: 97.5 CAS Max %: 100.0 Assay: ≥97.5% Assay Percent Range: 97% Molecular Formula: C13H13BO3 Formula Weight: 228.05

Alfa Aesar™ Biphenyl-2-boronic acid, 95%

Chemical Name or Material: Biphenyl-2-boronic acid CAS: 4688-76-0 Molecular Formula: C12H11BO2 Formula Weight: 198.03 MDL Number: MFCD00136929 Beilstein: 3031806 Synonym: 2-Phenylbenzeneboronic acid

Alfa Aesar™ Borane-dimethyl sulfide complex, 94%

Chemical Name or Material: Borane-dimethyl sulfide complex CAS: 13292-87-0 Molecular Formula: C2H9BS Linear Formula: (CH3)2S·BH3 Formula Weight: 75.97 MDL Number: MFCD00013189 UN Number: UN2924 Beilstein: 3663489 Synonym: BMS; Borane-methyl sulfide

2-Isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 97%, ACROS Organics™

Chemical Name or Material: 2-Isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane Name Note: 97% CAS: 61676-62-8 CAS Min %: 96.0 CAS Max %: 100.0 Assay: ≥96.0% Assay Percent Range: 97% Molecular Formula: C9H19BO3 Formula Weight: 186.06 MDL Number: MFCD00192241

Alfa Aesar™ 5-Fluoro-2-(methoxycarbonyl)benzeneboronic acid, 97%

Chemical Name or Material: 5-Fluoro-2-(methoxycarbonyl)benzeneboronic acid CAS: 850568-05-7 Molecular Formula: C8H8BFO4 Formula Weight: 197.96 MDL Number: MFCD03095367 Synonym: Methyl 2-borono-4-fluorobenzoate

Alfa Aesar™ 4-Chlorocarbonylbenzeneboronic anhydride, tech. 90%

Chemical Name or Material: 4-Chlorocarbonylbenzeneboronic anhydride CAS: 332154-57-1 Purity Grade: Technical Grade Molecular Formula: C7H4BClO2 Formula Weight: 166.37 MDL Number: MFCD06801674 Synonym: 4-Chlorocarbonylphenylboronic anhydride; 4-Boronobenzoyl chloride

2,4,5-Trifluorophenylboronic acid, 97%, ACROS Organics™

Chemical Name or Material: 2, 4, 5-Trifluorophenylboronic acid Assay Percent Range: 97% Molecular Formula: C6H4BF3O2 Formula Weight: 175.9

Alfa Aesar™ 9,9-Dimethylfluorene-2-boronic acid pinacol ester, 95%

Chemical Name or Material: 9,9-Dimethylfluorene-2-boronic acid pinacol ester CAS: 569343-09-5 Molecular Formula: C21H25BO2 Formula Weight: 320.24 MDL Number: MFCD08704229 Synonym: 2-(9,9-Dimethyl-2-fluorenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

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