Boronic Acids and Derivatives

2,3-Difluorophenylboronic acid, 97+%, ACROS Organics™

Chemical Name or Material: 2, 3-Difluorophenylboronic acid CAS: 121219-16-7 CAS Min %: 97.0 CAS Max %: 100.0 Assay: ≥97.0% Assay Percent Range: 97+% Molecular Formula: C6H5BF2O2 Formula Weight: 157.91 MDL Number: MFCD01863170

3,5-Dimethylisoxazole-4-boronic Acid, ACROS Organics™

Chemical Name or Material: 3, 5-Dimethylisoxazole-4-boronic acid CAS: 16114-47-9 Assay Percent Range: 98% Molecular Formula: C5H8BNO3 Formula Weight: 140.93 MDL Number: MFCD02677945

2,4-Difluorophenylboronic acid, 98%, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: 2, 4-Difluorophenylboronic acid CAS: 144025-03-6 CAS Min %: 97.5 CAS Max %: 100.0 Assay: ≥97.5% Assay Percent Range: 98% Molecular Formula: C6H5BF2O2 Formula Weight: 157.91

2,5-Dimethylphenylboronic acid, 97%, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: 2, 5-Dimethylphenylboronic acid CAS: 85199-06-0 CAS Min %: 96.0 CAS Max %: 100.0 Assay Percent Range: 97% Molecular Formula: C8H11BO2 Formula Weight: 149.98 MDL Number: MFCD01863525

Alfa Aesar™ 4-(n-Propoxycarbonyl)benzeneboronic acid, 97%

Chemical Name or Material: 4-(n-Propoxycarbonyl)benzeneboronic acid CAS: 91062-38-3 Molecular Formula: C10H13BO4 Formula Weight: 208.02 MDL Number: MFCD06659852 Synonym: 4-(n-Propoxycarbonyl)phenylboronic acid; n-Propyl 4-boronobenzoate

Alfa Aesar™ 3-Carbamoylbenzeneboronic acid, 98%

Chemical Name or Material: 3-Carbamoylbenzeneboronic acid CAS: 351422-73-6 Molecular Formula: C7H8BNO3 Formula Weight: 164.96 MDL Number: MFCD03411948 Synonym: 3-Aminocarbonylphenylboronic acid; 3-Carbamoylphenylboronic acid

Alfa Aesar™ 3-(Diethylcarbamoyl)benzeneboronic acid, 98%

Chemical Name or Material: 3-(Diethylcarbamoyl)benzeneboronic acid CAS: 237413-05-7 Molecular Formula: C11H16BNO3 Formula Weight: 221.06 MDL Number: MFCD04115684 Synonym: 3-(Diethylaminocarbonyl)phenylboronic acid

Alfa Aesar™ 3,5-Dimethylbenzeneboronic acid, 98%

Chemical Name or Material: 3,5-Dimethylbenzeneboronic acid CAS: 172975-69-8 Molecular Formula: C8H11BO2 Formula Weight: 149.99 MDL Number: MFCD00185689 Beilstein: 7368658 Synonym: 3,5-Dimethylphenylboronic acid

2-Methylphenylboronic acid, 97%, ACROS Organics™

Chemical Name or Material: 2-Tolylboronic acid CAS: 16419-60-6 CAS Min %: 94.0 CAS Max %: 100.0 Assay: ≥94% Assay Percent Range: 95% Molecular Formula: C7H9BO2 Linear Formula: CH3C6H4B(OH)2 Formula Weight: 135.96

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

Chemical Name or Material: 2-Fluorophenylboronic acid CAS: 1993-03-9 CAS Min %: 97.5 CAS Max %: 100.0 Assay: ≥97.5% Assay Percent Range: 97% Molecular Formula: C6H6BFO2 Formula Weight: 139.92

2,5-Difluorophenylboronic acid, 97%, ACROS Organics™

Chemical Name or Material: 2, 5-Difluorophenylboronic acid CAS: 193353-34-3 CAS Min %: 96.0 CAS Max %: 100.0 Assay: ≥96.0% Assay Percent Range: 97% Molecular Formula: C6H5BF2O2 Formula Weight: 157.91

Alfa Aesar™ 3-Phenyl-1-propylboronic acid pinacol ester, 97%

Chemical Name or Material: 3-Phenyl-1-propylboronic acid pinacol ester CAS: 329685-40-7 Molecular Formula: C15H23BO2 Formula Weight: 246.16 MDL Number: MFCD09953505 Synonym: 4,4,5,5-Tetramethyl-2-(3-phenylpropyl)-1,3,2-dioxaborolane

4-Cyano-3-fluorophenylboronic acid, 97%, Acros Organics

Chemical Name or Material: 4-Cyano-3-fluorophenylboronic acid Assay Percent Range: 97% Molecular Formula: C7H5BFNO2 Formula Weight: 164.93

Alfa Aesar™ N,N,N',N'-Tetramethyl-O-(2-oxo-1,2-dihydro-1-pyridyl)uroniumtetrafluoroborate, 98%

Chemical Name or Material: N,N,N',N'-Tetramethyl-O-(2-oxo-1,2-dihydro-1-pyridyl)uroniumtetrafluoroborate CAS: 125700-71-2 Molecular Formula: C10H16BF4N3O2 Formula Weight: 297.06 MDL Number: MFCD00075475 Synonym: 2-(2-Pyridon-1-yl)-1,1,3,3-tetramethyluronium tetrafluoroborate; TPTU

Trimethylboroxine, 3.5M (50 wt.%) solution in THF, AcroSeal™, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Trimethylboroxine CAS: 823-96-1 CAS: 109-99-9 Assay: 40.0 to 60.0% (ex Boron) Molecular Formula: C3H9B3O3 Formula Weight: 125.54 MDL Number: MFCD00013354

Alfa Aesar™ 3-Methylbenzeneboronic acid, 97%

Chemical Name or Material: 3-Methylbenzeneboronic acid CAS: 17933-03-8 Molecular Formula: C7H9BO2 Formula Weight: 135.96 MDL Number: MFCD00040198 Beilstein: 2935968 Synonym: 3-Methylphenylboronic acid; m-Tolylboronic acid

Quinoline-6-boronic acid, 97%, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Quinoline-6-boronic acid CAS: 376581-24-7 Assay: ≥96.0% Assay Percent Range: 97% Molecular Formula: C9H8BNO2 Formula Weight: 172.98 MDL Number: MFCD03093100

2,6-Dimethylphenylboronic acid, 98%, ACROS Organics™

Chemical Name or Material: 2, 6-Dimethylphenylboronic acid CAS: 100379-00-8 CAS Min %: 97.5 CAS Max %: 100.0 Assay: ≥97.5% Assay Percent Range: 98% Molecular Formula: C8H11BO2 Formula Weight: 149.99 MDL Number: MFCD01009693

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

2-Formylphenylboronic acid, 97%, ACROS Organics™

Chemical Name or Material: 2-Formylphenylboronic acid CAS: 40138-16-7 CAS Min %: 97.5 CAS Max %: 100.0 Assay: ≥97.5% Assay Percent Range: 97% Molecular Formula: C7H7BO3 Formula Weight: 149.94

Alfa Aesar™ 4-Phenylcarbamoylbenzeneboronic acid, 97%

Chemical Name or Material: 4-Phenylcarbamoylbenzeneboronic acid CAS: 330793-45-8 Molecular Formula: C13H12BNO3 Formula Weight: 241.05 MDL Number: MFCD04115683 Synonym: N-Phenyl 4-boronobenzamide

Alfa Aesar™ Tetra-n-butylammonium borohydride, 98%

Chemical Name or Material: Tetra-n-butylammonium borohydride CAS: 33725-74-5 Molecular Formula: C16H40BN Linear Formula: [CH3(CH2)3]4NBH4 Formula Weight: 257.31 MDL Number: MFCD00012035 UN Number: UN3131 Synonym: Tetra-n-butylammonium tetrahydridoborate

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

Chemical Name or Material: 2-Aminophenylboronic acid hydrochloride Assay Percent Range: 97% Molecular Formula: C6H8BNO2·ClH Formula Weight: 173.41

Alfa Aesar™ 5-Oxocyclopentene-1-boronic acid, 97%

Chemical Name or Material: 5-Oxocyclopentene-1-boronic acid CAS: 871329-71-4 Molecular Formula: C5H7BO3 Formula Weight: 125.92 MDL Number: MFCD08056354 Synonym: 2-Borono-2-cyclopentenone

Alfa Aesar™ 4-(tert-Butoxycarbonyl)benzeneboronic acid, 95%

Chemical Name or Material: 4-(tert-Butoxycarbonyl)benzeneboronic acid CAS: 850568-54-6 Molecular Formula: C11H15BO4 Formula Weight: 222.05 MDL Number: MFCD03411946 Synonym: 4-(tert-Butoxycarbonyl)phenylboronic acid; tert-Butyl 4-boronobenzoate

Alfa Aesar™ Trimethyl borate, 99%

Chemical Name or Material: Trimethyl borate CAS: 121-43-7 Molecular Formula: C3H9BO3 Linear Formula: (CH3O)3B Formula Weight: 103.92 MDL Number: MFCD00008346 UN Number: UN2416 Beilstein: 1697939 Merck Index: 14,9712 Synonym: Boric acid trimethyl ester; Methyl borate

3-Methoxy-4-(methoxycarbonyl)phenylboronic acid pinacol ester, 95%, ACROS Organics™

Chemical Name or Material: 3-Methoxy-4-(methoxycarbonyl)phenylboronic acid pinacol ester Assay Percent Range: 95% Molecular Formula: C15H21BO5 Formula Weight: 292.14

Alfa Aesar™ Isopropylboronic acid, 98%

Chemical Name or Material: Isopropylboronic acid CAS: 80041-89-0 Molecular Formula: C3H9BO2 Formula Weight: 87.91 MDL Number: MFCD01319021 Beilstein: 1731883 Synonym: 2-Propaneboronic acid

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

Chemical Name or Material: 3-Carboxy-4-fluorophenylboronic acid CAS: 872460-12-3 CAS Min %: 96.0 CAS Max %: 100.0 Assay: ≥96.0% Assay Percent Range: 97% Molecular Formula: C7H6BFO4 Formula Weight: 183.93 MDL Number: MFCD03095129

Alfa Aesar™ 3-Acetoxy-1-propenylboronic acid pinacol ester, 97%

Chemical Name or Material: 3-Acetoxy-1-propenylboronic acid pinacol ester CAS: 161395-97-7 Molecular Formula: C11H19BO4 Formula Weight: 226.08 MDL Number: MFCD03788751 Beilstein: 6923397 Synonym: 2-(3-Acetoxy-1-propenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

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