Amino Acids

Alfa Aesar™ N-Boc-L-valine N-succinimidyl ester, 97%

Chemical Name or Material: N-Boc-L-valine N-succinimidyl ester CAS: 3392-12-9 Formula Weight: 314.34 MDL Number: MFCD00037906 Beilstein: 1551859 Synonym: Boc-Val-OSu; N-Boc-L-valine N-hydroxysuccinimide ester

4-Fluoro-3-nitrobenzoic acid, 98%, ACROS Organics™

Chemical Name or Material: 4-Fluoro-3-nitrobenzoic acid Name Note: 98% CAS: 453-71-4 CAS Min %: 97.5 CAS Max %: 100.0 Assay: ≥97.5% Assay Percent Range: 98% Molecular Formula: C7H4FNO4 Linear Formula: FC6H3(NO)COH Formula Weight: 185.11 MDL Number: MFCD00007058

Alfa Aesar™ trans-N-Fmoc-4-tert-butoxy-L-proline, 98%

Chemical Name or Material: trans-N-Fmoc-4-tert-butoxy-L-proline CAS: 122996-47-8 Formula Weight: 409.47 MDL Number: MFCD00151930 Beilstein: 6161467 Synonym: Fmoc-Hyp(tBu)-OH; trans-N-Fmoc-O-tert-butyl-4-hydroxy-L-proline

Alfa Aesar™ N-Boc-DL-phenylalanine, 95%

Chemical Name or Material: N-Boc-DL-phenylalanine CAS: 4530-18-1 Formula Weight: 265.3 MDL Number: MFCD00558969 Synonym: Boc-DL-Phe-OH; N-(tert-Butoxycarbonyl)-DL-phenylalanine

L(+)-alpha-Phenylglycine, 99%, ACROS Organics™

Chemical Name or Material: L(+)-α-Phenylglycine Name Note: 99% CAS: 2935-35-5 Assay: ≥98.5% Assay Percent Range: 99% Molecular Formula: C8H9NO2 Linear Formula: C6H5CH(NH2)CO2H Formula Weight: 151.16 MDL Number: MFCD00064403 Synonym: L-(+)-α-Aminophenylacetic acid

N-Carbobenzyloxy-D-proline, 98%, ACROS Organics™

Chemical Name or Material: N-Carbobenzyloxy-D-proline CAS: 6404-31-5 CAS Min %: 97.5 CAS Max %: 100.0 Assay: ≥97.5% Assay Percent Range: 98% Molecular Formula: C13H15NO4 Formula Weight: 249.27 Synonym: N-CBZ-D-Proline

Alfa Aesar™ N-Benzyloxycarbonyl-L-serylglycine ethyl ester, 95%

Chemical Name or Material: N-Benzyloxycarbonyl-L-serylglycine ethyl ester CAS: 4526-93-6 Formula Weight: 324.33 MDL Number: MFCD00191150 Beilstein: 1893538 Synonym: Z-Ser-Gly-OEt; Z-Seryl-L-glycine ethyl ester

Glycine, sodium salt hydrate, 99%, ACROS Organics™

Chemical Name or Material: Glycine, sodium salt Name Note: 99% CAS: 6000-44-8 Assay: ≥98.5% (Total base) Assay Percent Range: 99% Molecular Formula: C2H4NNaO2 Linear Formula: H2NCH2CO2Na Formula Weight: 97.05 MDL Number: MFCD00150683 Synonym: Sodium glycinate hydrate

Alfa Aesar™ N-(1-Glycyl-L-prolyl)alanine, 97%

Chemical Name or Material: N-(1-Glycyl-L-prolyl)alanine CAS: 837-83-2 Formula Weight: 243.26 MDL Number: MFCD00037344 Beilstein: 5288874 Synonym: H-Gly-Pro-Ala-OH; Glycyl-L-prolyl-L-alanine

Dimethyl aminoterephthalate, 99%, ACROS Organics™

Chemical Name or Material: Dimethyl aminoterephthalate Name Note: 99% CAS: 5372-81-6 Assay: ≥98.5% Assay Percent Range: 99% Molecular Formula: C10H11NO4 Linear Formula: H2NC6H3(CO2CH3)2 Formula Weight: 209.2 MDL Number: MFCD00008427

Alfa Aesar™ Glycyl diphenylborinate, 95%

Chemical Name or Material: Glycyl diphenylborinate CAS: 14335-29-6 Molecular Formula: C14H14BNO2 Formula Weight: 239.08 MDL Number: MFCD05863277 Synonym: Diphenylborinic acid glycyl ester; Aminoacetyl diphenylborinate

Alfa Aesar™ N-Boc-4-cyano-L-phenylalanine, 95%

Chemical Name or Material: N-Boc-4-cyano-L-phenylalanine CAS: 131724-45-3 Formula Weight: 290.31 MDL Number: MFCD00672526 UN Number: UN3439 Beilstein: 7715793 Synonym: Boc-Phe(4-CN)-OH; (S)-2-(Boc-amino)-3-(4-cyanophenyl)propionic acid

Alfa Aesar™ N-Boc-3-(4-pyridyl)-D-alanine, 95%

Chemical Name or Material: N-Boc-3-(4-pyridyl)-D-alanine CAS: 37535-58-3 Formula Weight: 266.29 MDL Number: MFCD00672529 Beilstein: 4195478 Synonym: Boc-D-4-Pal-OH; Boc-3-(4-pyridyl)-D-Ala-OH

Alfa Aesar™ N-Boc-L-methionine N-succinimidyl ester, 97%

Chemical Name or Material: N-Boc-L-methionine N-succinimidyl ester CAS: 3845-64-5 Formula Weight: 346.4 MDL Number: MFCD00042760 Beilstein: 4238574 Synonym: Boc-Met-Osu; N-Boc-L-methionine N-hydroxysuccinimide ester

Alfa Aesar™ N-Fmoc-O-tert-butyl-L-allo-threonine, 97%

Chemical Name or Material: N-Fmoc-O-tert-butyl-L-allo-threonine CAS: 201481-37-0 Formula Weight: 397.47 MDL Number: MFCD00237371 Synonym: Fmoc-Allo-Thr(tBu)-OH

Alfa Aesar™ Nepsilon-Boc-L-lysine tert-butyl ester hydrochloride, 95%

Chemical Name or Material: Nepsilon-Boc-L-lysine tert-butyl ester hydrochloride CAS: 13288-57-8 Formula Weight: 338.87 MDL Number: MFCD00038899 Synonym: H-Lys(Boc)-OtBu.HCl; (S)-tert-Butyl 2-amino-6-(Boc-amino)hexanoate hydrochloride

trans-4-(Aminomethyl)cyclohexanecarboxylic acid, 98+%, ACROS Organics™

Chemical Name or Material: trans-4-(Aminomethyl)cyclohexanecarboxylic acid Assay: 98.0 to 102.0% Assay Percent Range: 98+% Molecular Formula: C8H15NO2 Linear Formula: H2NCH2C6H10CO2H Formula Weight: 157.21 MDL Number: MFCD00001466 Synonym: Tranexamic acid

Alfa Aesar™ Nalpha-Boc-Ndelta-Fmoc-L-ornithine, 95%

Chemical Name or Material: Nalpha-Boc-Ndelta-Fmoc-L-ornithine CAS: 150828-96-9 Molecular Formula: C25H30N2O6 Formula Weight: 454.52 MDL Number: MFCD00080279 Beilstein: 8091167 Synonym: Boc-Orn(Fmoc)-OH; (S)-2-(Boc-amino)-5-(Fmoc-amino)pentanoic acid

Alfa Aesar™ N-Boc-L-isoleucine hemihydrate, 98+%

Chemical Name or Material: N-Boc-L-isoleucine hemihydrate CAS: 204138-23-8 Molecular Formula: C11H21NO4·0.5H2O Formula Weight: 240.07 (231.06 Anhydrous) MDL Number: MFCD00672705

Alfa Aesar™ Calcium DL-glycerate dihydrate

Chemical Name or Material: Calcium DL-glycerate dihydrate CAS: 67525-74-0 Molecular Formula: C6H10CaO8·2H2O Formula Weight: 286.26 (250.23 Anhydrous) MDL Number: MFCD00149289 Beilstein: 4614104 Merck Index: 14,4483 Synonym: DL-Glyceric acid calcium salt dihydrate

Alfa Aesar™ N-Fmoc-L-alaninol, 95%

Chemical Name or Material: N-Fmoc-L-alaninol CAS: 161529-13-1 Formula Weight: 297.35 MDL Number: MFCD00235913 Synonym: Fmoc-Ala-ol

Alfa Aesar™ 2-Fluoro-4-methoxy-DL-phenylalanine, 97%

Chemical Name or Material: 2-Fluoro-4-methoxy-DL-phenylalanine Molecular Formula: C10H12FNO3 Formula Weight: 213.21 MDL Number: MFCD09832389

Alfa Aesar™ 5-Aminolevulinic acid hydrochloride, 99%

Chemical Name or Material: 5-Aminolevulinic acid hydrochloride CAS: 5451-09-2 Molecular Formula: C5H9NO3·HCl Formula Weight: 167.59 MDL Number: MFCD00012869 Beilstein: 3690651 Merck Index: 14,446 Synonym: 5-Amino-4-ketovaleric acid hydrochloride

Alfa Aesar™ DL-Threonine, 99%

Chemical Name or Material: DL-Threonine CAS: 80-68-2 Molecular Formula: C4H9NO3 Formula Weight: 119.12 MDL Number: MFCD00063722 Beilstein: 1721647 Merck Index: 14,9380 Synonym: (+/-)-2-Amino-3-hydroxybutyric acid; H-DL-Thr-OH

D(-)-Penicillamine ≥99%, ACROS Organics™

Chemical Name or Material: D(-)-Penicillamine Name Note: 99+% CAS: 52-67-5 Assay: ≥98.5% (on dried substance) Assay Percent Range: 99% Molecular Formula: C5H11NO2S Linear Formula: (CH3)2C(SH)CH(NH2)CO2H Formula Weight: 149.21 MDL Number: MFCD00064302 Synonym: 3, 3-Dimethyl-D(-)-cysteine

Alfa Aesar™ L-Phenylalaninamide, 98%

Chemical Name or Material: L-Phenylalaninamide CAS: 5241-58-7 Formula Weight: 164.2 MDL Number: MFCD00038146 Beilstein: 6270941 Synonym: H-Phe-NH2; (S)-2-amino-3-phenylpropanamide

Alfa Aesar™ 4-Chloro-DL-phenylalanine methyl ester hydrochloride, 98%

Chemical Name or Material: 4-Chloro-DL-phenylalanine methyl ester hydrochloride CAS: 14173-40-1 Formula Weight: 250.12 MDL Number: MFCD00012530 Synonym: H-DL-Phe(4-Cl)-OMe.HCl

Diethyl (aminomethyl)phosphonate oxalate, 95%, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Diethyl (aminomethyl)phosphonate oxalate Name Note: 95% CAS: 117196-73-3 Assay: ≥94% Assay Percent Range: 95% Molecular Formula: C5H14NO3P·C2H2O4 Formula Weight: 257.18 MDL Number: MFCD00800255

2-Bromothiazole-5-carboxylic acid, 97%, ACROS Organics™

Chemical Name or Material: 2-Bromothiazole-5-carboxylic acid CAS: 54045-76-0 CAS Min %: 96.0 CAS Max %: 100.0 Assay: ≥96.0% Assay Percent Range: 97% Molecular Formula: C4H2BrNO2S Formula Weight: 208.03 MDL Number: MFCD04115730

Alfa Aesar™ D-Serine methyl ester hydrochloride, 95%

Chemical Name or Material: D-Serine methyl ester hydrochloride CAS: 5874-57-7 Formula Weight: 155.58 MDL Number: MFCD00066121 Synonym: H-D-Ser-OMe.HCl

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