Amino Acids

Organic compounds composed of a central carbon atom, a carboxyl group, an amino group, and a unique side chain; precursors to other molecules including proteins, hormones, and neurotransmitters.

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2,221 – 2,235 of 35,795 results

2,221

eMolecules 56-84-8 | L-Aspartic acid (H-Asp-OH) USP grade | Oakwood Chemical133.103 | C4H7NO4 | 99.000 | N[C@@H](CC(O)=O)C(O)=O | 1g | 537708774

L-Aspartic acid (H-Asp-OH) USP grade | Oakwood Chemical | 56-84-8133.103 | C4H7NO4 | 99.000 | N[C@@H](CC(O)=O)C(O)=O | 1g | 537708774

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2,222

Sigma Aldrich Fine Chemicals Biosciences N Acetyl Asp Glu 97 TLC100MG

N Acetyl Asp Glu 97 TLC100MG

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2,223

eMolecules 47087-37-6 | Z-D-Asp-OMe | MFCD09842077 | 1g

Medchem Express | Bis-aminooxy-PEG2 | 50mg | 752823052 | HY-140408 | 98627-71-5 | MFCD00519242 | 180.204 | C6H16N2O4

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2,224

STA Pharmaceutical Fmoc-L-Asp-OMe | 25 g | CAS 145038-52-4 | MDL MFCD03701473

Fmoc-L-Asp-OMe is a Amino Acid reagent (Subcategory: Asp) sold by WuXi TIDES. Offered in 25 g. Store at 4 °C. SDS available for reference.

Specifications
- CAS: 145038-52-4
- MDL: MFCD03701473
- InChIKey: UEUZUMRMWJUEMK-KRWDZBQOSA-N
- Molecular Weight: 369.373
- Molecular Formula: C20H19NO6
- Purity: ≥95%
- Container Type: 125 mL HDPE
- Pack Size: 25 g
- Net Weight: 25 g
- Gross Weight: 54.3 g
- Commodity Code: 29242970
- Country Of Origin: China
- IUPAC: (S)-3-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-4-methoxy-4-oxobutanoic acid
- SMILES: COC([C@H](CC(O)=O)NC(OCC1C2=CC=CC=C2C3=CC=CC=C31)=O)=O

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2,225

Medchemexpress LLC H-Asp(Obzl)-OtBu HCl | 52615-97-1 | MFCD00190761 | 100.0% | 315.79 g/mol | C15H22ClNO4 | 10 G

H-Asp(Obzl)-OtBu HCl is a protected aspartic acid derivative supplied as the hydrochloride salt. It serves as a building block for peptide and organic synthesis, providing side-chain benzyl (Obzl) protection and a tert-butyl ester on the carboxyl group to enable orthogonal deprotection strategies.

Protected amino acid for peptide synthesis and organic synthesis
Side-chain benzyl (Obzl) protection reduces side reactions during coupling
Tert-butyl ester enables orthogonal deprotection strategies
Supplied as the hydrochloride salt for handling convenience and stability
Solid, white to off-white, high-purity material suitable for synthesis

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2,226

Medchemexpress LLC Fmoc-Asp(CSY)-OH | 2379679-90-8 | MFCD32857296 | 99.7% | 438.50 g/mol | C23H22N2O5S | 25 MG

Fmoc-Asp(CSY)-OH is an Fmoc-protected aspartic acid derivative where the side-chain carboxyl is protected as a cyanosulfurylide (CSY). It is provided as a high-purity solid for use as a building block in solid-phase peptide synthesis to minimize side reactions and enable reliable incorporation of aspartic acid residues.

Side-chain protected as cyanosulfurylide to reduce aspartimide formation during peptide synthesis.
Suitable for solid-phase peptide synthesis applications.
High purity suitable for research use (≈99.7%).
Chemical formula C23H22N2O5S and molecular weight 438.50 g/mol.
Supplied as a solid with recommended sealed storage away from moisture at 4°C; in solvent: -80°C (6 months), -20°C (1 month).

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2,227

Medchemexpress LLC H-Asp-Gly-OH | 3790-51-0 | MFCD00037287 | 98.0% | 190.15 g/mol | C6H10N2O5 | 25 MG

H-Asp-Gly-OH is a small dipeptide used as a cleavable linker in antibody-drug conjugate (ADC) research. The compound is the aspartylglycine derivative (C6H10N2O5, MW 190.15 g/mol) and is provided at high purity for laboratory synthesis, analytical characterization, and linker optimization. Material is supplied for research use only and is not intended for human or clinical use.

Cleavable linker suitable for ADC synthesis and development.
Small dipeptide with a defined molecular formula and molecular weight.
High purity (approximately 98%) for consistent analytical performance.
Appropriate for peptide chemistry and linker optimization workflows.
Intended for research use only; not for therapeutic applications.

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2,228

Bachem Fmoc-Asp(EDANS)-OH

Fmoc-Asp(EDANS)-OH, 182253-73-2, C31H29N3O8S, Mr 603.65, 0.5g. Building block for the synthesis of internally quenched fluorogenic peptide substrates. The fluorescent group EDANS can be efficiently quenched by the nonfluorescent DABCYL chromophore.

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2,229

Bachem Boc-Asp-OtBu

Boc-Asp-OtBu, 34582-32-6, C13H23NO6, Mr 289.33, 5g. Educt for the synthesis of g-mercaptolysine derivatives.

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2,230

Medchemexpress LLC Asp-AMS | 828288-98-8 | 98.14% | 461.41 | 50 MG

Asp-AMS, an analogue of aspartyl-adenylate, is an aspartyl-tRNA synthetase inhibitor and also a strong competitive inhibitor of the mitochondrial enzyme. It is for research use only.

An analogue of aspartyl-adenylate
Aspartyl-tRNA synthetase inhibitor
Strong competitive inhibitor of the mitochondrial enzyme
500-fold stronger competitive inhibitor of the mitochondrial enzyme than aspartol-AMP (10 nM)
35-fold lower competitor of human and bovine cyt-AspRSs (300 nM)
Strong inhibitor with Ki in the nanomolar (nM) range
Highest inhibitory effect for the mitochondrial enzyme
Most active inhibitor with Ki values in the nanomolar range, with a stronger effect on bacterial AspRSs (E. coli and P. aeruginosa) than on human cytosolic AspRS

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2,231

Medchemexpress LLC Methyl L-aspartate | 17812-32-7 | MFCD00080289 | 95.0% | 147.13 g/mol | C5H9NO4 | 500 G

H-Asp-OMe (methyl L-aspartate) is an aspartic acid derivative provided as a research reagent for biochemical and pharmacological studies. It is supplied as a solid with a listed purity of 95.0% and is offered in multiple pack sizes including 500 g. Typical uses include acting as a synthetic building block, intermediate, or analytical reference in amino-acid-related research.

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2,232

Apexbio Technology LLC Ac-DEVD-pNA 189950-66-1 25mg

Ac-DEVD-pNA (CAS 189950-66-1) is a chromogenic peptide substrate widely used for monitoring caspase-3 activity It consists of the tetrapeptide DEVD sequence an acetyl (Ac)-terminal modification and a para-nitroaniline (pNA) reporter moiety The sequence DEVD derives from the known caspase-3 cleavage site at Asp216 found in substrates such as poly(ADP-ribose) polymerase (PARP) Upon apoptosis activated caspase-3 recognizes and cleaves Ac-DEVD-pNA releasing free pNA detectable spectrophotometrically at 405 nm Thus Ac-DEVD-pNA serves as an important tool for quantifying caspase-3 activity in apoptotic cell lysates

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2,233

Research Products International Corp L-Aspartic Acid Monopotassium Salt, 100 Grams

CAS Number: 1115-63-5
Molecular Formula: C₄H₆KNO₄
Molecular Weight: 171.2

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2,234

eMolecules 5598-53-8 | L-Aspartic acid sodium | MFCD00082327 | 1g

Ambeed | L-Aspartic acid sodium | 1g | 600835626 | A261187 | 5598-53-8 | MFCD00082327 | 177.067 | C4H5NNa2O4

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eMolecules Building Block Tool

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2,235

STA Pharmaceutical Fmoc-L-Asp(tBu)-L-Thr[PSI(Me,Me)Pro]-OH | 100 g | CAS 920519-32-0 | MDL MFCD18427721

Fmoc-L-Asp(tBu)-L-Thr[PSI(Me,Me)Pro]-OH is a Amino Acid reagent (Subcategory: Pseudo AA) sold by WuXi TIDES. Offered in 100 g. Store at 4 °C. SDS available for reference.

Specifications
- CAS: 920519-32-0
- MDL: MFCD18427721
- InChIKey: NKQJRYSIZOXCTJ-LAMXGVLKSA-N
- Molecular Weight: 552.624
- Molecular Formula: C30H36N2O8
- Purity: ≥95%
- Container Type: 500 mL HDPE
- Pack Size: 100 g
- Net Weight: 100 g
- Gross Weight: 160.5 g
- Commodity Code: 29349990
- Country Of Origin: China
- IUPAC: (4S,5R)-3-((S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-4-(tert-butoxy)-4-oxobutanoyl)-2,2,5-trimethyloxazolidine-4-carboxylic acid
- SMILES: C[C@@H]1[C@@H](C(O)=O)N(C([C@H](CC(OC(C)(C)C)=O)NC(OCC2C3=CC=CC=C3C4=CC=CC=C42)=O)=O)C(O1)(C)C

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Amino Acids

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Medchemexpress LLC H-Asp(Obzl)-OtBu HCl | 52615-97-1 | MFCD00190761 | 100.0% | 315.79 g/mol | C15H22ClNO4 | 10 G Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Fmoc-Asp(CSY)-OH | 2379679-90-8 | MFCD32857296 | 99.7% | 438.50 g/mol | C23H22N2O5S | 25 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC H-Asp-Gly-OH | 3790-51-0 | MFCD00037287 | 98.0% | 190.15 g/mol | C6H10N2O5 | 25 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Asp-AMS | 828288-98-8 | 98.14% | 461.41 | 50 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Methyl L-aspartate | 17812-32-7 | MFCD00080289 | 95.0% | 147.13 g/mol | C5H9NO4 | 500 G Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Research Products International Corp L-Aspartic Acid Monopotassium Salt, 100 Grams Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More