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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6,466 – 6,480 of 36,032 results

6,466

Accela Chembio Inc D-HOMOSERINE LACTONE HYDR 5G

D-homoserine Lactone Hydrochloride, 5g, 104347-13-9, MFCD00674071, 97+%, Shelf Life: 540 Days, Light Sensitive/moisture Sensitive

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6,467

Medchemexpress LLC L-Valyl-N-(4-(hydroxymethyl)phenyl)-L-alaninamide | 1343476-44-7 | MFCD32641649 | 99.7% | 293.37 g/mol | C15H23N3O3 | 1G

Val-Ala-PAB is a peptide-based, enzymatically cleavable linker designed for antibody-drug conjugate (ADC) synthesis. It couples a valine-alanine dipeptide to a para-aminobenzyl (PAB) self-immolative spacer to enable efficient payload release under lysosomal conditions. The product is supplied as a solid reagent intended for use in conjugation workflows and analytical characterization.

Cleavable peptide linker for ADCs.
Enables enzymatic release of payload in lysosomes.
Contains valine-alanine dipeptide and PAB self-immolative spacer.
High purity suitable for research applications.
Solid form with storage at 4°C; protect from light.
Available in multiple package sizes, including 1 G.

Pricing & Availability

6,468

Medchemexpress LLC N-acetyl-L-glutamic acid-d5 | MFCD08704905 | 99.0% | 194.2 g/mol | C7H6D5NO5 | 1 MG

N-acetyl-L-glutamic acid-d5 is the deuterium-labeled (d5) stable-isotope analogue of N-acetyl-L-glutamic acid supplied as a purified powder for analytical and research use. It is intended primarily as an internal standard or reference material for quantitative workflows, with documented purity and batch-specific certificate of analysis for traceable results.

Deuterium-labeled internal standard suitable for LC-MS and GC-MS.
High isotopic enrichment and analytical purity.
Supplied as a stable, dry powder for easy storage and handling.
Documented batch-specific certificate of analysis included.
Suitable for quantitative metabolomics and method validation.
Stable when stored at recommended temperatures.

Pricing & Availability

6,469

eMolecules 222842-99-1 | FMOC-L-4-(O-TERT-BUTYLCARBOXYMETHYL)PHE-OH | AstaTech | MFCD14586316 | 501.579 | C30H31NO6 | 95.000 | CC(C)(C)OC(=O)Cc1ccc(C[C@H](NC(=O)OCC2c3ccccc3-c3ccccc23)C(O)=O)cc1 | 0.25g | 388699719

FMOC-L-4-(O-TERT-BUTYLCARBOXYMETHYL)PHE-OH | AstaTech | 222842-99-1 | MFCD14586316 | 501.579 | C30H31NO6 | 95.000 | CC(C)(C)OC(=O)Cc1ccc(C[C@H](NC(=O)OCC2c3ccccc3-c3ccccc23)C(O)=O)cc1 | 0.25g | 388699719

Pricing & Availability

6,470

eMolecules 45120-30-7 | L-Glutamic Acid 1-tert-Butyl Ester(contains <2%H2O) | Accela ChemBio (ASD) | MFCD00038562 | 203.238 | C9H17NO4 | 98.000 | CC(C)(C)OC(=O)[C@@H](N)CCC(O)=O | 10g | 397204149

L-Glutamic Acid 1-tert-Butyl Ester(contains <2%H2O) | Accela ChemBio (ASD) | 45120-30-7 | MFCD00038562 | 203.238 | C9H17NO4 | 98.000 | CC(C)(C)OC(=O)[C@@H](N)CCC(O)=O | 10g | 397204149

Pricing & Availability

6,471

Medchemexpress LLC L-Serine-13C3 | 201595-68-8 | 108.07 | 50 MG

L-Serine-13C3 is the 13C-labeled version of L-Serine, a non-essential amino acid critical for cellular proliferation. Stable heavy isotopes, such as those of carbon, are integrated into drug molecules primarily to serve as tracers for quantitation during drug development. This specific labeling aids in understanding pharmacokinetic and metabolic profiles.

Can be used as a tracer.
Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.

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6,472

Cambridge Isotope Laboratories L-LEUCINE (ISOPROPYL-D7, 98%

1 gram

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6,473

Accela Chembio Inc MF: C9H20N2O2 | MW: 188.27 | >95% | BP: 292.8? at 760 mmHg | Density: 0.984.

MF: C9H20N2O2 | MW: 188.27 | >95% | BP: 292.8? at 760 mmHg | Density: 0.984.

Pricing & Availability

6,474

Medchemexpress LLC Cyclo(L-arginylglycyl-L-α-aspartyl-D-phenylalanyl-L-cysteinyl) | 862772-11-0 | 98.1% | 578.64 | 10 MG

Cyclo(Arg-Gly-Asp-D-Phe-Cys) (Cyclo RGDfC) is a cyclic RGD peptide with high affinity to αvβ3, capable of disrupting cell integrin interactions. It inhibits pluripotent marker expression in embryonic stem cells (ESCs) and reduces the tumorigenic potential of mESCs in vivo. This compound is primarily used in tumor research.

Down-regulates transcription factors Oct 4, Sox 2, and Nanog in mESCs.
Inhibits integrin gene expression in mESC-col I (type I collagen) constructs.
Leads to the formation of aggregates and detachment from surfaces in mESCs.
MESC tumor formation in vivo is dependent on integrin interaction.

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6,475

Medchemexpress LLC Z-Ala-Ala-Asp-CMK | 183284-21-1 | 98.92% | 441.86 | 5 MG

Z-Ala-Ala-Asp-CMK (Z-AAD-CMK) is a selective granzyme B inhibitor. It functions by binding to the active site of granzyme B, thereby blocking its proteolytic function. This compound exhibits anti-inflammatory activity and is utilized in research for inflammatory diseases and cancer studies.

Selective granzyme B inhibitor
Blocks proteolytic function of granzyme B
Exhibits anti-inflammatory activity
Used in research for inflammatory diseases and cancer
Inhibits granzyme B-induced IL-18 activation
Reduces DNA fragmentation
Inhibits caspase-3 activity
Reduces ROS production

Pricing & Availability

6,476

Medchemexpress LLC DL-5-hydroxylysine hydrochloride | 13204-98-3 | MFCD00012878 | 97.3% | 198.65 g/mol | C6H15ClN2O3 | 50 MG

DL-5-Hydroxylysine hydrochloride is the racemic (DL) hydrochloride salt of 5-hydroxylysine supplied as a research-grade reference standard for analytical and biochemical applications, including studies of collagen post-translational modification and amino acid analysis.

Racemic (DL) hydrochloride salt of 5-hydroxylysine.
Used as a reference standard for analytical and biochemical assays.
High purity, approximately 97.3% as reported on the certificate of analysis.
White to off-white solid; supplied in small vials for laboratory use.
Molecular weight 198.65 g/mol; formula C6H15ClN2O3.
Store refrigerated (≈4 °C) per manufacturer recommendations.

Pricing & Availability

6,477

Medchemexpress LLC LY-2584702 tosylate salt | 1082949-68-5 | MFCD29054739 | 99.5% | 617.62 | C28H27F4N7O3S | 50MG

LY-2584702 tosylate salt is a small-molecule, ATP-competitive inhibitor of p70 ribosomal S6 kinase (p70S6K/S6K1) supplied as the tosylate salt for research use only. It exhibits low-nanomolar enzyme potency and cellular inhibition of S6 phosphorylation, making it suitable for studies of S6K signaling and related pathways.

Selective ATP-competitive inhibition of p70S6K.
Low-nanomolar enzyme potency (IC50 ≈ 2-4 nM).
Cellular inhibition of S6 phosphorylation (IC50 ≈ 0.1-0.24 μM).
Provided as a tosylate salt for improved handling.
High reported purity (99.5%).
Intended for laboratory research use only.

Pricing & Availability

6,478

Apexbio Technology LLC 5-AMINOLEVULINIC ACID HCL 1G

5-AMINOLEVULINIC ACID HCL 1G APEXBIO TECHNOLOGIES

Pricing & Availability

6,479

eMolecules 67198-86-1 | Boc-D-Homoserine lactone | AA Blocks LLC | MFCD09037376 | 201.222 | C9H15NO4 | 0.000 | CC(C)(C)OC(=O)N[C@@H]1CCOC1=O | 5g | 436002558

Boc-D-Homoserine lactone | AA Blocks LLC | 67198-86-1 | MFCD09037376 | 201.222 | C9H15NO4 | 0.000 | CC(C)(C)OC(=O)N[C@@H]1CCOC1=O | 5g | 436002558

Pricing & Availability

6,480

Medchemexpress LLC MEDCHEMEXPRESS LLC

5000783423 2-PHENYLGLYCINE 250G

Pricing & Availability

Amino Acids

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Accela Chembio Inc D-HOMOSERINE LACTONE HYDR 5G Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC L-Valyl-N-(4-(hydroxymethyl)phenyl)-L-alaninamide | 1343476-44-7 | MFCD32641649 | 99.7% | 293.37 g/mol | C15H23N3O3 | 1G Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC N-acetyl-L-glutamic acid-d5 | MFCD08704905 | 99.0% | 194.2 g/mol | C7H6D5NO5 | 1 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC L-Serine-13C3 | 201595-68-8 | 108.07 | 50 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Accela Chembio Inc MF: C9H20N2O2 | MW: 188.27 | >95% | BP: 292.8? at 760 mmHg | Density: 0.984. Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Cyclo(L-arginylglycyl-L-α-aspartyl-D-phenylalanyl-L-cysteinyl) | 862772-11-0 | 98.1% | 578.64 | 10 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Z-Ala-Ala-Asp-CMK | 183284-21-1 | 98.92% | 441.86 | 5 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC DL-5-hydroxylysine hydrochloride | 13204-98-3 | MFCD00012878 | 97.3% | 198.65 g/mol | C6H15ClN2O3 | 50 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC LY-2584702 tosylate salt | 1082949-68-5 | MFCD29054739 | 99.5% | 617.62 | C28H27F4N7O3S | 50MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Apexbio Technology LLC 5-AMINOLEVULINIC ACID HCL 1G Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC MEDCHEMEXPRESS LLC Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More