Oxygen Compounds

Alfa Aesar™ 2-(Trifluoromethoxy)benzyl bromide, 97%

Chemical Name or Material: 2-(Trifluoromethoxy)benzyl bromide CAS: 198649-68-2 Molecular Formula: C8H6BrF3O Formula Weight: 255.04 MDL Number: MFCD00236321 UN Number: UN3265 Synonym: alpha-Bromo-2-(trifluoromethoxy)toluene

Alfa Aesar™ 3-Phenoxybenzaldehyde, 98%

Chemical Name or Material: 3-Phenoxybenzaldehyde CAS: 39515-51-0 Molecular Formula: C13H10O2 Formula Weight: 198.22 MDL Number: MFCD00003353 UN Number: UN2810 Beilstein: 511662 Synonym: 3-Formyldiphenyl ether

Alfa Aesar™ 2,2-Difluoroethanol, 97%

Chemical Name or Material: 2,2-Difluoroethanol CAS: 359-13-7 Molecular Formula: HCF2CH2OH Formula Weight: 82.05 MDL Number: MFCD00042248 UN Number: UN1987 Beilstein: 1731617

Alfa Aesar™ 3-Methoxy-5-(trifluoromethyl)benzeneboronic acid, 98%

Chemical Name or Material: 3-Methoxy-5-(trifluoromethyl)benzeneboronic acid CAS: 871332-97-7 Molecular Formula: C8H8BF3O3 Formula Weight: 219.95 MDL Number: MFCD08056362

Alfa Aesar™ 2-Fluoro-4-methoxybenzoyl chloride, 95%

Chemical Name or Material: 2-Fluoro-4-methoxybenzoyl chloride CAS: 321-24-4 Molecular Formula: C8H6ClFO2 Formula Weight: 188.59 MDL Number: MFCD08146649 UN Number: UN3261

Alfa Aesar™ Methyl 3,4-dimethoxybenzoate, 98+%

Chemical Name or Material: Methyl 3,4-dimethoxybenzoate CAS: 2150-38-1 Molecular Formula: C10H12O4 Formula Weight: 196.2 MDL Number: MFCD00008430 Beilstein: 2215244 Synonym: 3,4-Dimethoxybenzoic acid methyl ester; Methyl veratrate

Alfa Aesar™ 3-Bromoanisole, 98+%

Chemical Name or Material: 3-Bromoanisole CAS: 2398-37-0 Molecular Formula: C7H7BrO Formula Weight: 187.04 MDL Number: MFCD00000081 Beilstein: 1524687 Synonym: 3-Methoxybromobenzene

Alfa Aesar™ tert-Butyl hydrogen succinate, 97%

Chemical Name or Material: tert-Butyl hydrogen succinate CAS: 15026-17-2 Linear Formula: HOOCCH2CH2CO2C(CH3)3 Formula Weight: 174.2 MDL Number: MFCD00273441 Beilstein: 1772169 Synonym: Mono-tert-Butyl succinate; Succinic acid mono-tert-butyl

Alfa Aesar™ 2-Fluoro-5-methoxy-3-(trifluoromethyl)benzyl alcohol, 97%

Chemical Name or Material: 2-Fluoro-5-methoxy-3-(trifluoromethyl)benzyl alcohol Molecular Formula: C9H8F4O2 Formula Weight: 224.15 MDL Number: MFCD22201037

Alfa Aesar™ tert-Butyl propargyl ether, 98%

Chemical Name or Material: tert-Butyl propargyl ether CAS: 16314-18-4 Molecular Formula: C7H12O Linear Formula: HC≡CCH2OC(CH3)3 Formula Weight: 112.17 MDL Number: MFCD07368651 UN Number: UN1993

Lithium diisopropylamide mono(tetrahydrofuran), 1.5M solution in cyclohexane, AcroSeal™, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Lithium diisopropylamide mono(tetrahydrofuran) CAS: 123333-84-6 CAS: 110-82-7 Molecular Formula: C10H22LiNO Formula Weight: 179.23

Alfa Aesar™ Benzyl methacrylate, 98%, stab. with ca 50-100ppm 4-methoxyphenol

Chemical Name or Material: Benzyl methacrylate CAS: 2495-37-6 Name Note: stabilized with ≈50 to 100ppm 4-methoxyphenol Molecular Formula: C11H12O2 Formula Weight: 176.22 MDL Number: MFCD00053684 Beilstein: 2045924 Synonym: Methacrylic acid benzyl ester

Alfa Aesar™ Ethyl trans-4-oxo-2-butenoate, 96%

Chemical Name or Material: Ethyl trans-4-oxo-2-butenoate CAS: 2960-66-9 Molecular Formula: C6H8O3 Formula Weight: 128.13 MDL Number: MFCD00236170 UN Number: UN2922 Beilstein: 8762336 Synonym: Ethyl 3-formylacrylate; Ethyl fumaraldehydate

Alfa Aesar™ 2,6-Dimethoxyphenoxyacetic acid, 98+%

Chemical Name or Material: 2,6-Dimethoxyphenoxyacetic acid CAS: 95110-10-4 Molecular Formula: C10H12O5 Formula Weight: 212.2 MDL Number: MFCD06823823

Alfa Aesar™ 3,4-Dimethoxybenzeneboronic acid, 98%

Chemical Name or Material: 3,4-Dimethoxybenzeneboronic acid CAS: 122775-35-3 Molecular Formula: C8H11BO4 Formula Weight: 181.98 MDL Number: MFCD01074574 Beilstein: 5334877 Synonym: 3,4-Dimethoxyphenylboronic acid

2-Bromo-α-methylbenzyl alcohol 99%, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: 2-Bromo-α-methylbenzyl alcohol CAS: 5411-56-3 CAS Min %: 98.5 CAS Max %: 100.0 Assay: ≥98.5% Assay Percent Range: 99% Molecular Formula: C8H9BrO Linear Formula: BrC6H4CH(OH)CH3 Formula Weight: 201.06 MDL Number: MFCD00065001 Synonym: 1-(2'Bromophenyl)-1-hydroxyethane

Alfa Aesar™ 4-Ethoxy-2,3-difluorobenzoyl chloride, 97%

Chemical Name or Material: 4-Ethoxy-2,3-difluorobenzoyl chloride Molecular Formula: C9H7ClF2O2 Formula Weight: 220.6 MDL Number: MFCD09258701 UN Number: UN3261

Alfa Aesar™ 3-Methoxybenzoyl chloride, 99%

Chemical Name or Material: 3-Methoxybenzoyl chloride CAS: 1711-05-3 Molecular Formula: C8H7ClO2 Formula Weight: 170.6 MDL Number: MFCD00000673 UN Number: UN1729 Beilstein: 386659 Synonym: m-Anisoyl chloride

2,3-Dimethylhydroquinone, 99%, ACROS Organics™

Chemical Name or Material: 2, 3-Dimethylhydroquinone CAS: 608-43-5 CAS Min %: 98.5 CAS Max %: 100.0 Assay: ≥96.0% (HPLC) Assay Percent Range: 99% Molecular Formula: C8H10O2 Formula Weight: 138.17 MDL Number: MFCD00009997

Alfa Aesar™ Ethyl hexanoate, 99%

Chemical Name or Material: Ethyl hexanoate CAS: 123-66-0 Molecular Formula: CH3(CH2)4CO2CH2CH3 Formula Weight: 144.21 MDL Number: MFCD00009511 UN Number: UN3272 Merck Index: 14,3777 Synonym: Ethyl caproate; Hexanoic acid ethyl ester

Alfa Aesar™ (S)-3-(Boc-amino)butyric acid, 95%

Chemical Name or Material: (S)-3-(Boc-amino)butyric acid CAS: 158851-30-0 Molecular Formula: C9H17NO4 Formula Weight: 203.24 MDL Number: MFCD00270345 Beilstein: 6800577 Synonym: N-Boc-L-beta-homoalanine; Boc-beta-Homoala-OH

Alfa Aesar™ 3,3'-Dimethoxybenzil, 99+%

Chemical Name or Material: 3,3'-Dimethoxybenzil CAS: 40101-17-5 Molecular Formula: C16H14O4 Formula Weight: 270.29 MDL Number: MFCD00038221 Beilstein: 2382124 Synonym: 3,3'-Dimethoxydibenzoyl

Alfa Aesar™ Benzyl propargyl ether, 97%

Chemical Name or Material: Benzyl propargyl ether CAS: 4039-82-1 Molecular Formula: C10H10O Linear Formula: C6H4CH2OCH2C≡CH Formula Weight: 146.19 MDL Number: MFCD00483987

4-Hydroxy-2,2,6,6-tetramethyl-piperidinooxy, 98%, free radical, ACROS Organics™

Chemical Name or Material: 4-Hydroxy-2,2,6,6-tetramethyl-piperidinooxy Name Note: Free radical CAS: 2226-96-2 CAS Min %: 97.5 CAS Max %: 100.0 Assay: ≥97.5% Assay Percent Range: 98% Molecular Formula: C9H18NO2 Formula Weight: 172.25 MDL Number: MFCD00006478 Synonym: 4-Hydroxy-TEMPO

4-Mercaptophenol, 99%, ACROS Organics™

Chemical Name or Material: 4-Mercaptophenol Name Note: 99% CAS: 637-89-8 CAS Min %: 98.5 CAS Max %: 100.0 Assay: ≥98.5% Assay Percent Range: 99% Molecular Formula: C6H6OS Linear Formula: SHC6H4OH Formula Weight: 126.18 MDL Number: MFCD00004850 Synonym: 4-Hydroxythiophenol

N-BOC-4-Hydroxypiperidine, 97%, ACROS Organics™

Chemical Name or Material: N-BOC-4-Hydroxypiperidine Name Note: 97% CAS: 109384-19-2 CAS Min %: 96.0 CAS Max %: 100.0 Assay: ≥96.0% Assay Percent Range: 97% Molecular Formula: C10H19NO3 Formula Weight: 201.27 MDL Number: MFCD01075174 Synonym: N-(tert-Butoxycarbonyl)-4-hydroxypiperidine

Alfa Aesar™ 3,4,5-Trimethoxybenzeneboronic acid, 98%

Chemical Name or Material: 3,4,5-Trimethoxybenzeneboronic acid CAS: 182163-96-8 Molecular Formula: C9H13BO5 Formula Weight: 212.01 MDL Number: MFCD01075676 Beilstein: 8205051 Synonym: 3,4,5-Trimethoxyphenylboronic acid

Alfa Aesar™ 1-Nitroso-2-naphthol-3,6-disulfonic acid disodium salt, 90+%

Chemical Name or Material: 1-Nitroso-2-naphthol-3,6-disulfonic acid disodium salt CAS: 525-05-3 Molecular Formula: C10H5NNa2O8S2 Formula Weight: 377.26 MDL Number: MFCD00003885 Beilstein: 3643930 Merck Index: 14,6644 Synonym: 1-Nitroso-R-salt

Alfa Aesar™ 4-Fluoro-2-methoxyphenol, 97%

Chemical Name or Material: 4-Fluoro-2-methoxyphenol CAS: 450-93-1 Molecular Formula: C7H7FO2 Formula Weight: 142.13 MDL Number: MFCD00070797 Beilstein: 5425200 Synonym: 4-Fluoroguaiacol

2-(4-Aminophenyl)-1,1,1,3,3,3-hexafluoro-2-propanol, 97%, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: 2-(4-Aminophenyl)-1,1,1,3,3,3-hexafluoro-2-propanol CAS: 722-92-9 CAS Min %: 96.0 CAS Max %: 100.0 Assay: ≥96.0% Assay Percent Range: 97% Molecular Formula: C9H7F6NO Formula Weight: 259.15 MDL Number: MFCD00039258 Synonym: 4-(Hexafluoro-2-hydroxyisopropyl)aniline

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