Amino Acids

Alfa Aesar™ L-Isoleucine, 99%

Chemical Name or Material: L-Isoleucine CAS: 73-32-5 Molecular Formula: C6H13NO2 Formula Weight: 131.18 MDL Number: MFCD00064222 Beilstein: 1721792 Merck Index: 14,5179

Alfa Aesar™ N-Boc-D-proline methyl ester, 95%

Chemical Name or Material: N-Boc-D-proline methyl ester CAS: 73323-65-6 Molecular Formula: C11H19NO4 Formula Weight: 229.27 MDL Number: MFCD00190828 Synonym: Boc-D-Pro-OMe

Alfa Aesar™ N-Fmoc-L-aspartic acid 4-cyclohexyl ester, 95%

Chemical Name or Material: N-Fmoc-L-aspartic acid 4-cyclohexyl ester CAS: 130304-80-2 Formula Weight: 437.49 MDL Number: MFCD00135420 Synonym: Fmoc-Asp(OcHex)-OH

trans-1,2-Diaminocyclohexane-N,N,N',N'-tetraacetic Acid Monohydrate, 98%, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: trans-1,2-Diaminocyclohexane-N,N,N';,N';-tetraacetic acid monohydrate Assay: ≥97.5% Assay Percent Range: 98% Molecular Formula: C14H22N2O8·H2O Linear Formula: C6H10[N(CH2CO2H)2]2·H2O Formula Weight: 364.35 MDL Number: MFCD00149243 Synonym: 1, 2-Cyclohexylenedinitrilotetraacetic acid monohydrate

4-Nitrobenzoic Acid 99+%, ACROS Organics™

Chemical Name or Material: 4-Nitrobenzoic acid Name Note: 99+% CAS: 62-23-7 CAS Min %: 99.0 CAS Max %: 100.0 Assay: ≥99.0% Assay Percent Range: 99+% Molecular Formula: C7H5NO4 Linear Formula: O2NC6H4CO2H Formula Weight: 167.12 MDL Number: MFCD00007352

Methyleindole-4-carboxylate, 99%, ACROS Organics™

Chemical Name or Material: Methyl indole-4-carboxylate CAS: 39830-66-5 Assay: ≥98.5% Assay Percent Range: 99% Molecular Formula: C10H9NO2 Formula Weight: 175.19 MDL Number: MFCD00191222

Paclitaxel, 99+%, ACROS Organics™

Chemical Name or Material: Paclitaxel Name Note: 99+% CAS: 33069-62-4 Assay: ≥99.0% Assay Percent Range: 99+% Molecular Formula: C47H51NO14 Formula Weight: 853.9 MDL Number: MFCD00869953 Synonym: Taxol

L(+)-Norleucine, ≥99%, ACROS Organics™

Chemical Name or Material: L(+)-Norleucine CAS: 327-57-1 Assay: ≥99.0% Assay Percent Range: 99+% Molecular Formula: C6H13NO2 Formula Weight: 131.17 MDL Number: MFCD00064423 Synonym: L-2-Aminohexanoic acid

Alfa Aesar™ N-Benzyloxycarbonyl-D-alaninol, 98%

Chemical Name or Material: N-Benzyloxycarbonyl-D-alaninol CAS: 61425-27-2 Molecular Formula: C11H15NO3 Formula Weight: 209.25 MDL Number: MFCD00672531 Synonym: (2R)-N-Benzyloxycarbonylamino-1-propanol; N-Cbz-D-Alaninol

Alfa Aesar™ L-Cystine disodium salt monohydrate, 98+%

Chemical Name or Material: L-Cystine disodium salt monohydrate CAS: 199329-53-8 Molecular Formula: C6H10N2Na2O4S2·H2O Formula Weight: 302.27 (284.26 Anhydrous) MDL Number: MFCD00243291

Alfa Aesar™ DL-Tryptophan methyl ester hydrochloride, 97%

Chemical Name or Material: DL-Tryptophan methyl ester hydrochloride CAS: 5619-09-0 Formula Weight: 268.74 MDL Number: MFCD00066133 Synonym: H-DL-Trp-OMe.HCl

Methyle2-aminopyridine-4-carboxylate, 98%, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Methyle2-aminopyridine-4-carboxylate CAS: 1839794 Assay: ≥97.5% Assay Percent Range: 98% Molecular Formula: C7H8N2O2 Formula Weight: 152.15 MDL Number: MFCD04039316

2-Pyrrolidone-5-carboxylic acid, sodium salt, 50 wt.% solution in water, ACROS Organics™

Chemical Name or Material: 2-Pyrrolidone-5-carboxylic acid, sodium salt Name Note: 50 wt. % Solution in Water CAS: 54571-67-4 CAS Min %: 47.5 CAS Max %: 52.5 CAS: 7732-18-5 CAS Min %: 47.5 CAS Max %: 52.5 Assay: 47.5 to 52.5% Molecular Formula: C5H6NNaO3 Formula Weight: 151.1 MDL Number: MFCD00066984

Alfa Aesar™ D-Leucine, 99%

Chemical Name or Material: D-Leucine CAS: 328-38-1 Molecular Formula: C6H13NO2 Formula Weight: 131.18 MDL Number: MFCD00063088 Beilstein: 1721721 Synonym: (R)-2-Amino-4-methylpentanoic acid; H-D-Leu-OH

D-Phenylalanine methyleester hydrochloride, 98%, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: D-Phenylalanine methyleester hydrochloride Assay: ≥97.5% Assay Percent Range: 98% Molecular Formula: C10H13NO2·HCl Formula Weight: 215.68

Alfa Aesar™ Nalpha-Fmoc-Ndelta-trityl-L-glutamine, 98%

Chemical Name or Material: Nalpha-Fmoc-Ndelta-trityl-L-glutamine CAS: 132327-80-1 Molecular Formula: C39H34N2O5 Formula Weight: 610.71 MDL Number: MFCD00077056 Beilstein: 4343953 Synonym: Fmoc-Gln(Trt)-OH

4-(Diethylamino)benzoic acid, 99%, ACROS Organics™

Chemical Name or Material: 4-(Diethylamino)benzoic acid Name Note: 99% CAS: 5429-28-7 CAS Min %: 98.5 CAS Max %: 100.0 Assay: ≥98.5% Assay Percent Range: 99% Molecular Formula: C11H15NO2 Linear Formula: (C2H5)2NC6H4CO2H Formula Weight: 193.24 MDL Number: MFCD00002538

4-Aminohippuric acid, 99%, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: 4-Aminohippuric acid CAS: 61-78-9 CAS Min %: 98.5 CAS Max %: 100.0 Assay: ≥98.5% Assay Percent Range: 99% Molecular Formula: C9H10N2O3 Linear Formula: H2NC6H4CONHCH2CO2H Formula Weight: 194.19 MDL Number: MFCD00007890 Synonym: PAH

Alfa Aesar™ N-Boc-L-aspartic acid, 98%

Chemical Name or Material: N-Boc-L-aspartic acid CAS: 13726-67-5 Molecular Formula: C9H15NO6 Formula Weight: 233.23 MDL Number: MFCD00037279 Beilstein: 1913973 Synonym: Boc-Asp-OH; N-(tert-Butoxycarbonyl)-L-aspartic acid

cis-3-Azabicyclo[3.1.0]hexane-2-carboxylic acid, 95%, ACROS Organics™

Chemical Name or Material: cis-3-Azabicyclo[3.1.0]hexane-2-carboxylic acid Assay Percent Range: 95% Molecular Formula: C6H9NO2 Formula Weight: 127.14 MDL Number: MFCD03093875

Alfa Aesar™ N-Boc-4-methoxy-D-phenylalanine, 95%

Chemical Name or Material: N-Boc-4-methoxy-D-phenylalanine CAS: 68856-96-2 Molecular Formula: C15H21NO5 Formula Weight: 295.33 Synonym: (R)-3-(Boc-amino)-3-(4-methoxyphenyl)propionic acid; Boc-D-Tyr(Me)-OH

3-Amino-1H-1,2,4-triazole-5-carboxylic acid hydrate, 98%, ACROS Organics™

Chemical Name or Material: 3-Amino-1H-1, 2, 4-triazole-5-carboxylic acid hydrate CAS: 3641-13-2 CAS: 3641-13-2 Assay: ≥97.5% (on dry substance) Assay Percent Range: 98% Molecular Formula: C3H4N4O2·xH2O Formula Weight: 128.09 MDL Number: MFCD00149595 Synonym: 5-Amino-2H-1, 2, 4-triazole-3-carboxylic acid hydrate

Alfa Aesar™ DL-Methionine, 99%

Chemical Name or Material: DL-Methionine CAS: 59-51-8 Molecular Formula: C5H11NO2S Formula Weight: 149.21 MDL Number: MFCD00063096 Beilstein: 636185 Merck Index: 14,5975 Synonym: (+/-)-2-Amino-4-(methylthio)butyric acid; H-DL-Met-OH

Alfa Aesar™ trans-4-(Benzyloxycarbonylamino)cyclohexanemethylamine hydrochloride, 97%

Chemical Name or Material: trans-4-(Benzyloxycarbonylamino)cyclohexanemethylamine hydrochloride CAS: 187533-10-4 Molecular Formula: C15H22N2O2·HCl Formula Weight: 298.8 Synonym: Benzyl trans-4-(aminomethyl)cyclohexylcarbamate hydrochloride

Alfa Aesar™ N-Boc-L-tryptophan benzyl ester, 95%

Chemical Name or Material: N-Boc-L-tryptophan benzyl ester CAS: 57229-67-1 Formula Weight: 394.47 MDL Number: MFCD00190837 Synonym: Boc-Trp-Obzl

N-Acetylglycine 99%, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: N-Acetylglycine Name Note: 99% CAS: 543-24-8 CAS Min %: 98.5 CAS Max %: 100.0 Assay: ≥98.5% (on dry substance) Assay Percent Range: 99% Molecular Formula: C4H7NO3 Linear Formula: CH3CONHCH2CO2H Formula Weight: 117.1 MDL Number: MFCD00004275 Synonym: Acetamidoacetic acid

Alfa Aesar™ S-Benzyl-L-cysteine, 99%

Chemical Name or Material: S-Benzyl-L-cysteine CAS: 3054-01-1 Molecular Formula: C10H13NO2S Formula Weight: 211.28 MDL Number: MFCD00002613 Beilstein: 1879358 Synonym: H-Cys(Bzl)-OH

Alfa Aesar™ N-Boc-2-cyclohexyl-L-glycine, 97%

Chemical Name or Material: N-Boc-2-cyclohexyl-L-glycine CAS: 109183-71-3 Formula Weight: 257.33 MDL Number: MFCD00133638 Beilstein: 5553687 Synonym: Boc-Chg-OH

3-Indolepropionic acid, 99%, ACROS Organics™

Chemical Name or Material: 3-Indolepropionic acid CAS: 830-96-6 CAS Min %: 98.5 CAS Max %: 100.0 Assay: ≥98.5% (HPLC) Assay Percent Range: 99% Molecular Formula: C11H11NO2 Formula Weight: 189.21 MDL Number: MFCD00005660 Synonym: 3-(1H-indol-3-yl)propanoic acid

Methyle3-amino-2-thiophenecarboxylate, 99%, ACROS Organics™

Chemical Name or Material: Methyl 3-amino-2-thiophenecarboxylate CAS: 22288-78-4 Assay: ≥98.5% Assay Percent Range: 99% Molecular Formula: C6H7NO2S Formula Weight: 157.19 MDL Number: MFCD00009765

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