Amino Acids

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

Alfa Aesar™ DL-tert-Leucine, 95%

Chemical Name or Material: DL-tert-Leucine CAS: 33105-81-6 Formula Weight: 131.18 MDL Number: MFCD00065933 Beilstein: 1721823 Synonym: DL-2-(tert-Butyl)glycine; (±)-2-Amino-3,3-dimethylbutyric acid

Alfa Aesar™ L-Histidinamide dihydrochloride, 95%

Chemical Name or Material: L-Histidinamide dihydrochloride CAS: 71666-95-0 Formula Weight: 227.09 MDL Number: MFCD00058559 Beilstein: 3720223 Synonym: H-His-NH2.2HCl

Valinomycin, 90%, ACROS Organics™

Chemical Name or Material: Valinomycin CAS: 2001-95-8 Assay: ≥88% Assay Percent Range: 90% Molecular Formula: C54H90N6O18 Formula Weight: 1111.35 MDL Number: MFCD00005114

Alfa Aesar™ Nalpha-Boc-Nomega-(2,2,4,6,7-pentamethyl-2,3-dihydrobenzo[b]furan-5-ylsulfonyl)-D-arginine, 95%

Chemical Name or Material: Nalpha-Boc-Nomega-(2,2,4,6,7-pentamethyl-2,3-dihydrobenzo[b]furan-5-ylsulfonyl)-D-arginine CAS: 186698-61-3 Formula Weight: 526.65 MDL Number: MFCD00236822 Synonym: Boc-D-Arg(Pbf)-OH; Nα-Boc-Nω-Pbf-D-arginine

Alfa Aesar™ N-Fmoc-1-trityl-L-histidine, 98%

Chemical Name or Material: N-Fmoc-1-trityl-L-histidine CAS: 109425-51-6 Molecular Formula: C40H33N3O4 Formula Weight: 619.71 MDL Number: MFCD00043332 Beilstein: 5204720 Synonym: Fmoc-His(Trt)-OH

ethyle4-dimethylaminobenzoate, +99%, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Ethyl 4-dimethylaminobenzoate Assay: ≥99.0% Assay Percent Range: 99+% Molecular Formula: C11H15NO2 Linear Formula: (CH3)2NC6H4CO2C2H5 Formula Weight: 193.25 MDL Number: MFCD00009115

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

Chemical Name or Material: 3, 4-Diaminobenzoic acid CAS: 619-05-6 CAS Min %: 96.0 CAS Max %: 100.0 Assay: 96.0 to 104.0% Assay Percent Range: 97% Molecular Formula: C7H8N2O2 Linear Formula: (H2N)2C6H3CO2H Formula Weight: 152.15 MDL Number: MFCD00007726

Alizarin Complexone Dihydrate, Indicator Grade, ACROS Organics™

Chemical Name or Material: Alizarin Complexone dihydrate CAS: 455303-00-1 Purity Grade: Pure Assay: 97 to 103% (on dry substance) Molecular Formula: C19H15NO8·2H2O Formula Weight: 421.35 MDL Number: MFCD00149067 Synonym: (3, 4-Dihydroxy-2-anthraquinonyl)methyliminodiacetic acid dihydrate

N-Carbobenzyloxy-L-phenylalanine, 99+%, ACROS Organics™

Chemical Name or Material: N-Carbobenzyloxy-L-phenylalanine Name Note: 99+% CAS: 1161-13-3 CAS Min %: 99.0 CAS Max %: 100.0 Assay: ≥98.0% Assay Percent Range: 99+% Molecular Formula: C17H17NO4 Linear Formula: C6H5CH2CH(NHCO2CH2C6H5)CO2H Formula Weight: 299.32 MDL Number: MFCD00020418 Synonym: N-CBZ-L-Phenylalanine

L-Proline, 99%, Alfa Aesar™

Chemical Name or Material: L-Proline CAS: 147-85-3 Molecular Formula: C5H9NO2 Formula Weight: 115.13 MDL Number: MFCD00064318 Beilstein: 80810 Merck Index: 14,7780 Synonym: H-Pro-OH; (S)-Pyrrolidine-2-carboxylic acid

(S)-N-BOC-α-Ethylalanine, 98%, 98% ee, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: (S)-N-BOC-α-Ethylalanine Name Note: 98% ee CAS: 151171-11-8 CAS Min %: 97.5 CAS Max %: 100.0 Assay: ≥97.5% Assay Percent Range: 98% Molecular Formula: C10H19NO4 Formula Weight: 217.27 Synonym: BOC-L-Isovaline

Alfa Aesar™ N-Benzyloxycarbonyl-L-proline, 98+%

Chemical Name or Material: N-Benzyloxycarbonyl-L-proline CAS: 1148-11-4 Molecular Formula: C13H15NO4 Formula Weight: 249.27 MDL Number: MFCD00003170 Beilstein: 88579 Synonym: N-Cbz-L-proline; Z-Pro-OH

Alfa Aesar™ D-Glutamine, 99+%

Chemical Name or Material: D-Glutamine CAS: 5959-95-5 Molecular Formula: C5H10N2O3 Formula Weight: 146.14 MDL Number: MFCD00065607 Beilstein: 1723796 Synonym: D-2-Aminoglutaramic acid; D-Glutamic acid 5-amide

Alfa Aesar™ Nalpha-Benzyloxycarbonyl-Nomega-(4-methoxybenzenesulfonyl)-L-arginine dicyclohexylammonium salt, 95%

Chemical Name or Material: Nalpha-Benzyloxycarbonyl-Nomega-(4-methoxybenzenesulfonyl)-L-arginine dicyclohexylammonium salt CAS: 58810-11-0 Formula Weight: 659.84 MDL Number: MFCD00237326 Synonym: Z-Arg(Mbs)-OH.DCHA

Alfa Aesar™ L-allo-Threonine, 99%

Chemical Name or Material: L-allo-Threonine CAS: 28954-12-3 Molecular Formula: C4H9NO3 Formula Weight: 119.12 MDL Number: MFCD00064268 Beilstein: 1721645 Synonym: (2S,3S)-2-Amino-3-hydroxybutyric acid; H-allo-Thr-OH

Alfa Aesar™ D-Phenylalaninol, 98%

Chemical Name or Material: D-Phenylalaninol CAS: 5267-64-1 Molecular Formula: C9H13NO Formula Weight: 151.21 MDL Number: MFCD00064298 UN Number: UN3259 Beilstein: 4665408 Synonym: (R)-(+)-2-Amino-3-phenyl-1-propanol; H-D-Phe-ol

3,5-Pyrazoledicarboxylic Acid Monohydrate 97%, ACROS Organics™

Chemical Name or Material: 3, 5-Pyrazoledicarboxylic acid monohydrate Name Note: 97% CAS: 3112-31-0 CAS Min %: 96.0 CAS Max %: 100.0 Assay: ≥96.0% Assay Percent Range: 97% Molecular Formula: C5H4N2O4·H2O Formula Weight: 174.11 MDL Number: MFCD00149323

Alfa Aesar™ Nepsilon-Trifluoroacetyl-L-lysine, 97%

Chemical Name or Material: Nepsilon-Trifluoroacetyl-L-lysine CAS: 10009-20-8 Molecular Formula: C8H13F3N2O3 Formula Weight: 242.2 MDL Number: MFCD00037223 Synonym: epsilon-TFA-lysine; H-Lys(tfa)-OH

Methyle2-chloro-4-nitrobenzoate, 98%, ACROS Organics™

Chemical Name or Material: Methyl 2-chloro-4-nitrobenzoate Name Note: 98% CAS: 13324-11-3 Assay: ≥97.5% Assay Percent Range: 98% Molecular Formula: C8H6ClNO4 Formula Weight: 215.59 MDL Number: MFCD00017013

Alfa Aesar™ N-alpha-Benzyloxycarbonyl-N-epsilon-Boc-L-lysine, 99%

Chemical Name or Material: N-alpha-Benzyloxycarbonyl-N-epsilon-Boc-L-lysine CAS: 2389-60-8 Molecular Formula: C19H28N2O6 Formula Weight: 380.44 MDL Number: MFCD00062271 Synonym: N-Benzyloxycarbonyl-N-epsilon-tert-butoxycarbonyl-L-lysine; N-Cbz-N-epsilon-Boc-L-Lysine

Methyle3-aminobenzo[b]thiophene-2-carboxylate, 97%, ACROS Organics™

Chemical Name or Material: Methyle3-aminobenzo[b]thiophene-2-carboxylate CAS: 35212-85-2 Assay: ≥96.0% Assay Percent Range: 97% Molecular Formula: C10H9NO2S Formula Weight: 207.25 MDL Number: MFCD00206744

Tricine, 98%, for biochemistry, ACROS Organics™

Chemical Name or Material: Tricine Name Note: 98% CAS: 1389475 Purity Grade: For biochemistry Assay: ≥97.5% (on dry substance) Assay Percent Range: 98% Molecular Formula: C6H13NO5 Linear Formula: (HOCH2)3CNHCH2CO2H Formula Weight: 179.17 MDL Number: MFCD00004277 Synonym: N-(2-Hydroxy-1, 1-bis(hydroxymethyl)ethyl)glycine

Alfa Aesar™ N-Boc-1-(p-toluenesulfonyl)-L-histidine dicyclohexylammonium salt, 98%

Chemical Name or Material: N-Boc-1-(p-toluenesulfonyl)-L-histidine dicyclohexylammonium salt CAS: 65057-34-3 Formula Weight: 590.77 MDL Number: MFCD00039005 Synonym: Boc-His(Tos)-OH.DCHA; N-Boc-1-(p-tosyl)-L-histidine dicyclohexylammonium salt

Alfa Aesar™ Nalpha-Fmoc-S-trityl-D-cysteine, 98%

Chemical Name or Material: Nalpha-Fmoc-S-trityl-D-cysteine CAS: 167015-11-4 Molecular Formula: C37H31NO4S Formula Weight: 587.71 MDL Number: MFCD00151922 Beilstein: 7558914 Synonym: Fmoc-D-Cys(Trt)-OH; (S)-2-(Fmoc-amino)-3-(tritylthio)propionic acid

(R)-(+)-α-Amino-γ-butyrolactone hydrochloride, 97%, ACROS Organics™

Chemical Name or Material: (R)-(+)-α-Amino-γ-butyrolactone hydrochloride monohydrate CAS: 104347-13-9 CAS Min %: 96.0 CAS Max %: 100.0 Assay: 96.0 to 104.0% (Argentometry) Assay Percent Range: 97% Molecular Formula: C4H7NO2·ClH Formula Weight: 155.59

Alfa Aesar™ L-Isoleucine methyl ester hydrochloride, 98+%

Chemical Name or Material: L-Isoleucine methyl ester hydrochloride CAS: 18598-74-8 Molecular Formula: C7H15NO2·HCl Formula Weight: 181.66 MDL Number: MFCD00038911 Beilstein: 3595132

(S)-N-BOC-Allylglycine, 95%, ACROS Organics™

Chemical Name or Material: (S)-N-BOC-Allylglycine CAS: 90600-20-7 CAS Min %: 94.0 CAS Max %: 100.0 Assay: ≥94% Assay Percent Range: 95% Molecular Formula: C10H17NO4 Formula Weight: 215.25 MDL Number: MFCD01320851

Alfa Aesar™ N-Benzoyl-L-alanine, 95%

Chemical Name or Material: N-Benzoyl-L-alanine CAS: 2198-64-3 Formula Weight: 193.2 MDL Number: MFCD00063128 Synonym: Bz-Ala-OH

Alfa Aesar™ L-Aspartic acid diethyl ester hydrochloride, 98%

Chemical Name or Material: L-Aspartic acid diethyl ester hydrochloride CAS: 16115-68-7 Formula Weight: 225.67 MDL Number: MFCD00038910 Synonym: H-Asp(OEt)-OEt.HCl

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