Organometallic Compounds

Alfa Aesar™ 3H,5H-Octamethyltetrasiloxane, 96%

Chemical Name or Material: 3H,5H-Octamethyltetrasiloxane CAS: 16066-09-4 Molecular Formula: C8H26O3Si4 Formula Weight: 282.64 MDL Number: MFCD00053664 Synonym: 1,3-Bis(trimethylsiloxy)-1,3-dimethylsiloxane 3H,5H-OCTAMETHYLTETRASILOXANE, 97%,25G

2-Nitrophenylboronic acid pinacol ester, 97%, ACROS Organics™

Chemical Name or Material: 2-Nitrophenylboronic acid pinacol ester Assay Percent Range: 97% Molecular Formula: C12H16BNO4 Formula Weight: 249.08 5GR 2-Nitrophenylboronic acid pinacol ester, 97%

Alfa Aesar™ 2,4-Difluorobenzylmagnesium bromide, 0.25M in 2-MeTHF

Chemical Name or Material: 2,4-Difluorobenzylmagnesium bromide CAS: 546122-71-8 Molecular Formula: C7H5BrF2Mg Formula Weight: 231.32 MDL Number: MFCD07698746 UN Number: UN2924 100ML 2,4-Difluorobenzylmagnesium bromide, 0.25M in 2-MeTHF 100ml

Alfa Aesar™ 2-tert-Butyl-trans-vinylboronic acid, 97%

Chemical Name or Material: 2-tert-Butyl-trans-vinylboronic acid CAS: 86595-37-1 Molecular Formula: C6H13BO2 Formula Weight: 127.98 MDL Number: MFCD01074624 Synonym: 3,3-Dimethyl-1-butenylboronic acid 250MG 2-tert-Butyl-trans-vinylboronic acid, 97% 250mg

3-Fluoro-4-methoxyphenylboronic acid, 97%, Acros Organics

Chemical Name or Material: 3-Fluoro-4-methoxyphenylboronic acid Assay Percent Range: 97% Molecular Formula: C7H8BFO3 Formula Weight: 169.95 5GR 3-Fluoro-4-methoxyphenylboronic acid, 97%

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

Chemical Name or Material: 4-(Phenylethynyl)benzeneboronic acid pinacol ester CAS: 1190376-20-5 Molecular Formula: C20H21BO2 Formula Weight: 304.19 MDL Number: MFCD16294498 Beilstein: 20037873 Synonym: Diphenylacetylene-4-boronic acid pinacol ester; 4,4,5,5-Tetramethyl-2-(4-phenylethynyl)-1,3,2-dioxaborolane 1GR 4-(Phenylethynyl)benzeneboronic acid pinacol ester, 97% 1g

Alfa Aesar™ Aluminum hexafluoro-2,4-pentanedionate, 98+%

Chemical Name or Material: Aluminum hexafluoro-2,4-pentanedionate CAS: 15306-18-0 Molecular Formula: C15H3AlF18O6 Formula Weight: 648.17 MDL Number: MFCD00050051 ALUMINIUM HEXAFLUORO-24- PENTANEDIONATE 98% 2G

Alfa Aesar™ 4-(Methylcarbamoyl)benzeneboronic acid, 98%

Chemical Name or Material: 4-(Methylcarbamoyl)benzeneboronic acid CAS: 121177-82-0 Molecular Formula: C8H10BNO3 Formula Weight: 178.98 MDL Number: MFCD03788427 Synonym: 4-(Methylaminocarbonyl)phenylboronic acid 250MG 4-(Methylcarbamoyl)benzeneboronic acid, 98% 250mg

Alfa Aesar™ 3-Fluoro-4-methylphenylmagnesium bromide, 0.50 M in 2-MeTHF

Chemical Name or Material: 3-Fluoro-4-methylphenylmagnesium bromide CAS: 185077-02-5 Molecular Formula: C7H6BrFMg Formula Weight: 213.33 MDL Number: MFCD01311470 UN Number: UN2924 100ML 3-Fluoro-4-methylphenylmagnesium bromide, 0.50 M in 2-MeTHF 100ml

Zinc acetate dihydrate, 98%, extra pure, ACROS Organics™

Chemical Name or Material: Zinc acetate dihydrate CAS: 5970-45-6 Purity Grade: Extra Pure Assay: ≥97.5% Assay Percent Range: 98% Molecular Formula: C4H6O4Zn·2H2O Linear Formula: (CH3CO2)2Zn·2H2O Formula Weight: 219.5 MDL Number: MFCD00066961 500GR Zinc acetate dihydrate, 98%, extra pure

Alfa Aesar™ Trimethylsilyl isothiocyanate, 94%

Chemical Name or Material: Trimethylsilyl isothiocyanate CAS: 2290-65-5 Molecular Formula: C4H9NSSi Formula Weight: 131.27 MDL Number: MFCD00004797 UN Number: UN1992 Beilstein: 1745262 TRIMETHYLSILYL ISOTHIOCYANATE, 94%,5G

2-(Bromomethyl)phenylboronic acid, 95%, ACROS Organics™

Chemical Name or Material: 2-(Bromomethyl)phenylboronic acid Assay Percent Range: 95% Molecular Formula: C7H8BBrO2 Formula Weight: 214.85 25GR 2-(Bromomethyl)phenylboronic acid, 95%

1-Cyclopentyl-1H-pyrazole-4-boronic acid pinacol ester, 97%, Acros Organics

Chemical Name or Material: 1-Cyclopentyl-1H-pyrazole-4-boronic acid pinacol ester Assay Percent Range: 97% Molecular Formula: C14H23BN2O2 Formula Weight: 262.16 Synonym: 1-Cyclopentyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole 1GR 1-Cyclopentyl-1H-pyrazole-4-boronic acid pinacol ester, 97%

Alfa Aesar™ 1-Hexylmagnesium chloride, 1M in MeTHF

Chemical Name or Material: 1-Hexylmagnesium chloride CAS: 44767-62-6 Molecular Formula: C6H13ClMg Linear Formula: CH3(CH2)4CH2MgCl Formula Weight: 144.93 MDL Number: MFCD06798087 UN Number: UN2924 100ML 1-Hexylmagnesium chloride, 1M in MeTHF 100m

Alfa Aesar™ Lithium tantalum ethoxide, 99.9% (metals basis), 5% w/v in ethanol

Chemical Name or Material: Lithium tantalum ethoxide CAS: 127503-04-2 Linear Formula: LiTa(OCH2CH3)6 Formula Weight: 458.04 MDL Number: MFCD00210630 UN Number: UN1170 LITHIUM TANTALUM ETHOXIDE 5% IN ETHANOL 25ML

2-Nitrophenylboronic acid, 97%, ACROS Organics™

Chemical Name or Material: 2-Nitrophenylboronic acid CAS: 5570-19-4 CAS Min %: 96.0 CAS Max %: 100.0 Assay: ≥96.0% (HPLC) Assay Percent Range: 97% Molecular Formula: C6H6BNO4 Formula Weight: 166.93 MDL Number: MFCD00161358 1GR 2-Nitrophenylboronic acid, 97%

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

Chemical Name or Material: 1-Hexylboronic acid pinacol ester CAS: 86308-26-1 Molecular Formula: C12H25BO2 Formula Weight: 212.14 MDL Number: MFCD08457665 Synonym: 2-n-Hexyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 1-HEXYLBORONIC ACID PINAC OL ESTER, 98% 1G

Alfa Aesar™ 3-[2-(Trimethylsilyl)ethynyl]benzeneboronic acid pinacol ester, 97%

Chemical Name or Material: 3-[2-(Trimethylsilyl)ethynyl]benzeneboronic acid pinacol ester CAS: 915402-03-8 Molecular Formula: C17H25BO2Si Formula Weight: 300.28 MDL Number: MFCD08706285 Synonym: 4,4,5,5-Tetramethyl-2-(3-[(trimethylsilyl)ethynyl]phenyl)-1,3,2-dioxaborolane 1GR 3-[2-(Trimethylsilyl)ethynyl]benzeneboronic acid pinacol ester, 97% 1g

Bacitracin, zinc salt, potency min. 60 Units/mg, ACROS Organics™

Chemical Name or Material: Bacitracin, zinc salt Name Note: potency min. 60 Units/mg CAS: 1405-89-6 Assay: 60 I.U./mg min. (potency, on dried subst.) MDL Number: MFCD16661228 Synonym: Zinc bacitracin 1GR Bacitracin, zinc salt, potency min. 60 Units/m

Alfa Aesar™ Borane-dimethyl sulfide complex, packaged under Argon in resealable ChemSeal™ bottles

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 BORANE-DIMETHYLSULFIDE COM-PLEX 5ML

Alfa Aesar™ (E)-1-Pentene-1,2-diboronic acid bis(pinacol) ester, 98%

Chemical Name or Material: (E)-1-Pentene-1,2-diboronic acid bis(pinacol) ester CAS: 307531-75-5 Molecular Formula: C17H32B2O4 Formula Weight: 322.06 MDL Number: MFCD03093909 Synonym: 1-cis-1,2-Bis(4,4,5,5-tetramethyl-1,3,2-dioxoboralan-2-yl)pentene (E)-1-PENTENE-1,2-DIBORONIC ACID BIS(PINACOL CYCL,

Alfa Aesar™ 2,2,3,3-d(4)-3-(Trimethylsilyl)propionic acid sodium salt, 98+ atom % D

Chemical Name or Material: 2,2,3,3-d(4)-3-(Trimethylsilyl)propionic acid sodium salt CAS: 24493-21-8 Molecular Formula: C6H9D4NaO2Si Linear Formula: (CH3)3SiCD2CD2CO2Na Formula Weight: 172.27 MDL Number: MFCD00002762 Beilstein: 4046239 Synonym: TSP-deuterated 2,2,3,3-D4-3-(TRIMETHYLSILYL)PROPIONIC ACID-NA250M

Alfa Aesar™ 3-Chloro-4-fluorophenylmagnesium bromide, 0.50 M in 2-MeTHF

Chemical Name or Material: 3-Chloro-4-fluorophenylmagnesium bromide CAS: 413589-34-1 Molecular Formula: C6H3BrClFMg Formula Weight: 233.75 MDL Number: MFCD02260212 UN Number: UN2924 100ML 3-Chloro-4-fluorophenylmagnesium bromide, 0.50 M in 2-MeTHF 100ml

Alfa Aesar™ Potassium 2-naphthalenetrifluoroborate, 96%

Chemical Name or Material: Potassium 2-naphthalenetrifluoroborate CAS: 668984-08-5 Molecular Formula: C10H7BF3K Formula Weight: 234.07 MDL Number: MFCD06659941 5GR Potassium 2-naphthalenetrifluoroborate, 96% 5

4-Iodophenylboronic acid, 97%, ACROS Organics™

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 1GR 4-Iodophenylboronic acid, 97%

Alfa Aesar™ (2-Ammonioethyl)di-tert-butylphosphonium bis(tetrafluoroborate), 97+%

Chemical Name or Material: (2-Ammonioethyl)di-tert-butylphosphonium bis(tetrafluoroborate) Molecular Formula: C10H25B2F8NP Linear Formula: [(CH3)3C]2PHCH2CH2NH3·2BF4 Formula Weight: 363.89 MDL Number: MFCD17018771 1GR (2-Ammonioethyl)di-tert-butylphosphonium bis(tetrafluoroborate), 97+% 1g

1-Naphthaleneboronic acid, 97%, ACROS Organics™

Chemical Name or Material: 1-Naphthaleneboronic acid CAS: 13922-41-3 CAS Min %: 96.0 CAS Max %: 100.0 Assay: ≥96.0% Assay Percent Range: 97% Molecular Formula: C10H9BO2 Formula Weight: 171.99 1GR 1-Naphthaleneboronic acid, 97%

4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenol, 97%, ACROS Organics™

Chemical Name or Material: 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenol Name Note: 97% CAS: 269409-70-3 CAS Min %: 96.0 CAS Max %: 100.0 Assay: ≥96.0% Assay Percent Range: 97% Molecular Formula: C12H17BO3 Formula Weight: 220.08 MDL Number: MFCD02093756 5GR 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenol, 97%

Alfa Aesar™ 2-Vinylbenzeneboronic acid, 98%

Chemical Name or Material: 2-Vinylbenzeneboronic acid CAS: 15016-42-9 Molecular Formula: C8H9BO2 Formula Weight: 147.97 MDL Number: MFCD01074659 Beilstein: 3030430 Synonym: Styrene-2-boronic acid; 2-Vinylphenylboronic acid 2-VINYLBENZENEBORONIC ACID1G

4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole-1-carboxylic Acid Tert-Butyl Ester, 97%, ACROS Organics™

Chemical Name or Material: 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole-1-carboxylic acid tert-butyl ester CAS: 552846-17-0 CAS Min %: 96.0 CAS Max %: 100.0 Assay: ≥96.0% Assay Percent Range: 97% Molecular Formula: C14H23BN2O4 Formula Weight: 294.16 MDL Number: MFCD05663873 1GR 4-(4,4,5,5-TetraMe-1,3,2-dioxaborolan-2-yl)-1H-pyrazole-1-carboxylic acid tert-butyl ester, 97%

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