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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6,361 – 6,375 of 35,791 results

6,361

Medchemexpress LLC BIBP3226 trifluoroacetate | 1068148-47-9 | MFCD168148479 | 99.3% | 587.59 | C29H32F3N5O5 | 10 MG

This compound is the trifluoroacetate (TFA) salt of a potent, selective non-peptide antagonist of neuropeptide Y Y1 and neuropeptide FF receptors. It is supplied as a dry research reagent suitable for receptor pharmacology and in vivo behavioral studies, reported to be soluble in DMSO and provided with high analytical purity.

Potent, selective antagonist of NPY Y1 and NPFF receptors.
Trifluoroacetate salt form for improved stability and handling.
High purity (reported 99.3%).
Soluble in DMSO for easy formulation in assays.
Available in multiple small package sizes for research use (5-500 mg).

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6,362

Medchemexpress LLC N-omega-propyl-L-arginine hydrochloride | 2321366-46-3 | MFCD01320455 | 98.3% | 252.74 g/mol | C9H21ClN4O2 | 10 MG

N-omega-propyl-L-arginine hydrochloride is a potent, competitive, and highly selective inhibitor of neuronal nitric oxide synthase (nNOS), supplied as a hydrochloride salt for biochemical and pharmacological research. It is typically used in vitro to probe nitric oxide synthase function and selectivity.

Potent, competitive inhibitor of neuronal nitric oxide synthase (nNOS) with a reported Ki of 57 nM.
Shows 149-fold selectivity for nNOS over endothelial NOS (eNOS).
Supplied as the hydrochloride salt; formula C9H21ClN4O2 and molecular weight 252.74 g/mol.
Provided in milligram-scale quantities suitable for in vitro studies.
High purity confirmed by certificate of analysis (≈98.3% by LCMS).

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6,363

Medchemexpress LLC Sodium carboxymethyl cellulose | 9004-32-4 | MFCD00081472 | 1g

Sodium carboxymethyl cellulose (Viscosity 5000-15000 mPa s) is the sodium salt of cellulose arboxymethyl and frequently used as viscous agent paste and barrier agent

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6,364

Medchemexpress LLC Fmoc-N-Me-D-Arg(Pbf)-OH | 2044710-57-6 | MFCD04974250 | 99.6% | 662.80 g·mol⁻1 | C35H42N4O7S | 25 MG

Fmoc-N-Me-D-Arg(Pbf)-OH is an Fmoc-protected, N-methylated D-arginine derivative bearing a Pbf side-chain protecting group. Supplied as a white to off-white solid with high reported purity, it is used as a protected amino acid building block in solid-phase peptide synthesis to introduce N-methyl D-arginine residues for SAR studies and peptide modification.

Fmoc-protected N-methyl D-arginine suitable for solid-phase peptide synthesis.
Pbf side-chain protection compatible with standard acidic deprotection.
High purity for consistent synthetic performance.
Available in small-scale vial and solution formats for flexibility.
Store powder at -20°C for long-term stability; follow solvent storage recommendations.

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6,365

Cayman Chemical N-α-Benzoyl-L-Arginine ethyl ester (hydrochloride), Purity: ≥98%, CAS: 2645-08-1, 5 g

A nonpeptide substrate of proteases and deiminases; has been used as a substrate for the relative quantification of trypsin activity; has also been used as a substrate for the activity of subtilisins, kallikreins, and PAD4

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6,366

Cayman Chemical Boc-Arg(Boc)2-OH, Purity: ≥98%, CAS: 97745-69-2, 500 mg

An amino acid building block; has been used in the synthesis of amino acid prodrug forms of cytotoxic anthraquinones with anticancer activity

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6,367

STA Pharmaceutical Fmoc-L-hArg(Me,Pbf)-OH | 50 g | CAS 2044710-25-8 | MDL MFCD30476044

Fmoc-L-hArg(Me,Pbf)-OH is a Amino Acid reagent (Subcategory: Homo-natural AA) sold by WuXi TIDES. Offered in 50 g. Store at 4 °C. SDS available for reference.

Specifications
- CAS: 2044710-25-8
- MDL: MFCD30476044
- InChIKey: VNGKBRQOVBZBGA-PMERELPUSA-N
- Molecular Weight: 676.829
- Molecular Formula: C36H44N4O7S
- Purity: ≥95%
- Container Type: 250 mL HDPE
- Pack Size: 50 g
- Net Weight: 50 g
- Gross Weight: 89.8 g
- Commodity Code: 29359090
- Country Of Origin: China
- IUPAC: N2-(((9H-fluoren-9-yl)methoxy)carbonyl)-N6-(N-methyl-N-((2,2,4,6,7-pentamethyl-2,3-dihydrobenzofuran-5-yl)sulfonyl)carbamimidoyl)-L-lysine
- SMILES: CC1=C2CC(C)(OC2=C(C(C)=C1S(=O)(N(C(NCCCC[C@@H](C(O)=O)NC(OCC3C4=CC=CC=C4C5=C3C=CC=C5)=O)=N)C)=O)C)C

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6,368

Apexbio Technology LLC Fmoc-β-homo-Arg(Pbf)-OH 401915-53-5 5g

Fmoc-beta-homo-Arg Pbf -OH (CAS 401915-53-5) is designed as an Fmoc-protected -amino acid derivative containing an arginine side chain analog with a Pbf-protected guanidino group It is intended for incorporation into peptides via solid-phase peptide synthesis (SPPS) enabling the systematic modification of peptide scaffolds for structural studies Based on these properties Fmoc-beta-homo-Arg Pbf -OH supports research in the preparation of -amino acid peptide analogs with applications in exploring protein-protein interactions biomolecule recognition stability biological activity and development of enzyme inhibitors or peptide analogs for mechanistic studies at the molecular and cellular levels

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6,369

Medchemexpress LLC Nε-(carboxymethyl)-L-lysine | 5746-04-3 | MFCD04114278 | 99.7% | 204.22 g·mol⁻1 | C8H16N2O4 | 10 MG

Nε-(Carboxymethyl)-L-lysine is a post-translationally formed advanced glycation end-product (AGE) commonly used as a biochemical reagent and reference standard in glycation research and biomarker assays. It is supplied as a white to off-white solid with molecular formula C8H16N2O4 and CAS 5746-04-3, and is used for assay development, calibration, and mechanistic studies of protein glycation.

Acts as a biomarker for advanced glycation end-products in biological samples.
Suitable as a reference standard for assay calibration and validation.
Available in small, solid quantities for analytical applications.
Soluble in water with sonication, facilitating in vitro preparations.
Stable when stored as a powder at -20 °C, enabling long-term storage.
Provided with supporting documentation such as COA and SDS.

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6,370

Medchemexpress LLC DL-arginine-13C6,15N4 hydrochloride | 95.0% | 220.59 | 13C6H15ClN4O2 (13C6,15N4 labeled) | 5 MG

DL-Arginine-13C6,15N4 hydrochloride is a stable isotope-labeled racemic arginine hydrochloride supplied for research applications. With six 13C and four 15N labeled atoms, it serves as an internal standard for mass spectrometry, metabolic tracing, and quantitative proteomics. Supplied as a high-purity solid in small packaging for analytical workflows and method development.

Contains six 13C and four 15N isotopic labels.
Suitable as an internal standard for mass spectrometry.
Useful for metabolic tracing and quantitative proteomics.
Supplied as a small-scale, high-purity solid for analytical use.
For research use only; not for human or clinical applications.

Pricing & Availability

6,371

Medchemexpress LLC H-HoArg-OH | 156-86-5 | 188.23 | 10 G

H-HoArg-OH is a homologue arginine that acts as a strong inhibitor of human bone and liver alkaline phosphatase. Low levels of this endogenous amino acid have been linked to cardiovascular disease. This product is intended for research use only and is supplied as a white solid.

Strong inhibitor of human bone and liver alkaline phosphatase
Virtually no effect on intestinal and placental alkaline phosphatases
Supplied as a white solid
Linked to cardiovascular disease at low endogenous levels

Pricing & Availability

6,372

Bioworld L-Arginine, Monohydrochloride, 100 g

A precursor of nitric oxide synthesis that induces vasodilation in vivo Chloride(%)- 16.5-17.1 Chromatographic Purity(P/F)- Pass Heavy Metals(%)- <=0.002 Identification(P/F)- Pass Loss on Drying(%)- <=0.2 Organic Volatile Impurities(P/F)- Pass Residue after Ignition(%)- <=0.1 Specific Rotation(degrees)- +21.4-+23.6 Sulfate(%)- <=0.03Appearance: White crystalline powderDensity : 1.42 g/cm3HS Code : 29252000Melting Point: 226-230°CRTECS Number: CF1995500

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6,373

Cayman Chemical Suc-YVAD-pNA, Purity: ≥95%, CAS: 208264-84-0, 5 mg

A colorimetric caspase-1 and caspase-4 substrate; cleavage of the YVAD peptide sequence releases pNA, which can be quantified by colorimetric detection at 405 nm as a measure of caspase-1 and caspase-4 activity

Pricing & Availability

6,374

Medchemexpress LLC Fmoc-β-HoArg(Pbf)-OH | 401915-53-5 | 95.17% | 662.80 | 5 G

Fmoc-β-HoArg(Pbf)-OH is an arginine derivative, for research use only. Amino acids and amino acid derivatives have been commercially used as ergogenic supplements, influencing the secretion of anabolic hormones, the supply of fuel during exercise, mental performance during stress-related tasks, and preventing exercise-induced muscle damage. They are recognized as beneficial ergogenic dietary substances.

Arginine derivative
For research use only
Influences secretion of anabolic hormones
Supplies fuel during exercise
Enhances mental performance during stress-related tasks
Prevents exercise-induced muscle damage
Recognized as beneficial ergogenic dietary substance

Pricing & Availability

6,375

STA Pharmaceutical Fmoc-L-Alg(pbf)-OH | 1 g | CAS 1313054-86-2 | MDL MFCD15142008

Fmoc-L-Alg(pbf)-OH is a Amino Acid reagent (Subcategory: Arg) sold by WuXi TIDES. Offered in 1 g. Store at 4 °C. SDS available for reference.

Specifications
- CAS: 1313054-86-2
- MDL: MFCD15142008
- InChIKey: BLJRFPSBMLTXSO-SANMLTNESA-N
- Molecular Weight: 620.721
- Molecular Formula: C32H36N4O7S
- Purity: ≥95%
- Container Type: 15 mL HDPE
- Pack Size: 1 g
- Net Weight: 1 g
- Gross Weight: 7.8 g
- Commodity Code: 29359090
- Country Of Origin: China
- IUPAC: (S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(3-((2,2,4,6,7-pentamethyl-2,3-dihydrobenzofuran-5-yl)sulfonyl)guanidino)propanoic acid
- SMILES: CC1=C(C(S(=O)(NC(NC[C@@H](C(O)=O)NC(OCC2C3=CC=CC=C3C4=C2C=CC=C4)=O)=N)=O)=C(C5=C1OC(C)(C5)C)C)C

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Amino Acids

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Medchemexpress LLC BIBP3226 trifluoroacetate | 1068148-47-9 | MFCD168148479 | 99.3% | 587.59 | C29H32F3N5O5 | 10 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC N-omega-propyl-L-arginine hydrochloride | 2321366-46-3 | MFCD01320455 | 98.3% | 252.74 g/mol | C9H21ClN4O2 | 10 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Sodium carboxymethyl cellulose | 9004-32-4 | MFCD00081472 | 1g Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Fmoc-N-Me-D-Arg(Pbf)-OH | 2044710-57-6 | MFCD04974250 | 99.6% | 662.80 g·mol⁻1 | C35H42N4O7S | 25 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Nε-(carboxymethyl)-L-lysine | 5746-04-3 | MFCD04114278 | 99.7% | 204.22 g·mol⁻1 | C8H16N2O4 | 10 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC DL-arginine-13C6,15N4 hydrochloride | 95.0% | 220.59 | 13C6H15ClN4O2 (13C6,15N4 labeled) | 5 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC H-HoArg-OH | 156-86-5 | 188.23 | 10 G Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Fmoc-β-HoArg(Pbf)-OH | 401915-53-5 | 95.17% | 662.80 | 5 G Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More