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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2,356 – 2,370 of 35,795 results

2,356

STA Pharmaceutical Fmoc-L-Arg(Me, Me)-OH (symmetrical) | 100 g | CAS 823780-66-1 | MDL MFCD15146390

Fmoc-L-Arg(Me, Me)-OH (symmetrical) is a Amino Acid reagent (Subcategory: Arg) sold by WuXi TIDES. Offered in 100 g. Store at 4 °C. SDS available for reference.

Specifications
- CAS: 823780-66-1
- MDL: MFCD15146390
- InChIKey: DQWCPMLQUQTZMJ-FQEVSTJZSA-N
- Molecular Weight: 424.501
- Molecular Formula: C23H28N4O4
- Purity: ≥95%
- Container Type: 500 mL HDPE
- Pack Size: 100 g
- Net Weight: 100 g
- Gross Weight: 160.5 g
- Commodity Code: 29252900
- Country Of Origin: China
- IUPAC: N2-(((9H-fluoren-9-yl)methoxy)carbonyl)-Nw,Nw'-dimethyl-L-arginine
- SMILES: CNC(NCCC[C@@H](C(O)=O)NC(OCC1C2=CC=CC=C2C3=CC=CC=C31)=O)=NC

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2,357

Medchemexpress LLC N-Benzoyl-L-arginine ethyl ester hydrochloride | 2645-08-1 | 98.6% | 342.82 | 1 G

N-Benzoyl-L-arginine ethyl ester hydrochloride is an arginine derivative. Amino acids and amino acid derivatives are commercially used as ergogenic supplements, influencing anabolic hormone secretion, fuel supply during exercise, mental performance during stress, and preventing exercise-induced muscle damage. They are recognized as beneficial ergogenic dietary substances.

Arginine derivative
Influences anabolic hormone secretion
Aids fuel supply during exercise
Enhances mental performance during stress
Prevents exercise-induced muscle damage

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2,358

STA Pharmaceutical Fmoc-D-Alg(pbf)-OH | 1 g | CAS 1313054-40-8 | MDL MFCD15142009

Fmoc-D-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: 1313054-40-8
- MDL: MFCD15142009
- InChIKey: BLJRFPSBMLTXSO-AREMUKBSSA-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: (R)-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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2,359

Medchemexpress LLC L-arginine-13C6,15N4 hydrochloride | 202468-25-5 | MFCD04118221 | 99.9% | 220.59 | 13C6H15Cl15N4O2 | 10 MG

L-arginine-13C6,15N4 hydrochloride is a stable isotope-labeled form of L-arginine provided as the hydrochloride salt for use as an analytical standard, internal standard, or tracer in mass spectrometry and metabolic studies. It offers defined isotopic labeling and is supplied as a characterized, research-grade solid suitable for quantitative workflows.

Stable isotope labeled (13C6, 15N4) for accurate mass spectrometry quantification.
Hydrochloride salt form for improved aqueous solubility.
High chemical purity and isotopic enrichment for reliable analytical results.
Suitable as an internal standard or tracer in metabolic and quantitative studies.
Supplied in small, calibrated pack sizes appropriate for analytical applications.

Pricing & Availability

2,360

STA Pharmaceutical Fmoc-D-Arg(Mtr)-OH | 1 g | CAS 120075-24-3 | MDL MFCD00065616

Fmoc-D-Arg(Mtr)-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: 120075-24-3
- MDL: MFCD00065616
- InChIKey: LKGHIEITYHYVED-AREMUKBSSA-N
- Molecular Weight: 608.71
- Molecular Formula: C31H36N4O7S
- 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: N2-(((9H-fluoren-9-yl)methoxy)carbonyl)-Nw-((4-methoxy-2,3,6-trimethylphenyl)sulfonyl)-D-arginine
- SMILES: CC1=C(C(C)=C(C)C(OC)=C1)S(=O)(NC(NCCC[C@H](C(O)=O)NC(OCC2C3=CC=CC=C3C4=CC=CC=C42)=O)=N)=O

Pricing & Availability

2,361

Medchemexpress LLC Carboxymethyl chitosan | 83512-85-0 | MFCD00008812 | 90.0% | 543.5 g/mol | C20H37N3O14 | 1 G

Carboxymethyl chitosan is a water-soluble derivative of chitosan used in biomedical and materials-science research. As a biocompatible, biodegradable polymer, it serves as a functional excipient and reagent for formulation work, hydrogel preparation, and surface modification. Typical laboratory supply is an off-white powder with a reported assay around 90%.

Water-soluble, biocompatible polymer suitable for biomedical research.
Facilitates hydrogel formation and nanoparticle stabilization.
Useful in drug delivery and tissue engineering formulations.
Reported assay approximately 90% purity.
Provided as a research-grade powder in small pack sizes for laboratory use.

Pricing & Availability

2,362

eMolecules Fmoc-Arg(Boc)2-OH | Combi-Blocks | 143824-77-5 | MFCD00237008 | 596.681 | C31H40N4O8 | 96.000 | CC(C)(C)OC(=O)NC(=N)N(CCC[C@H](NC(=O)OCC1c2ccccc2-c2ccccc12)C(O)=O)C(=O)OC(C)(C)C | 10g | 257647797

Fmoc-Arg(Boc)2-OH | Combi-Blocks | 143824-77-5 | MFCD00237008 | 596.681 | C31H40N4O8 | 96.000 | CC(C)(C)OC(=O)NC(=N)N(CCC[C@H](NC(=O)OCC1c2ccccc2-c2ccccc12)C(O)=O)C(=O)OC(C)(C)C | 10g | 257647797

Pricing & Availability

2,363

STA Pharmaceutical Fmoc-L-Arg(Me, Me)-OH (symmetrical) | 25 g | CAS 823780-66-1 | MDL MFCD15146390

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

Specifications
- CAS: 823780-66-1
- MDL: MFCD15146390
- InChIKey: DQWCPMLQUQTZMJ-FQEVSTJZSA-N
- Molecular Weight: 424.501
- Molecular Formula: C23H28N4O4
- Purity: ≥95%
- Container Type: 125 mL HDPE
- Pack Size: 25 g
- Net Weight: 25 g
- Gross Weight: 54.3 g
- Commodity Code: 29252900
- Country Of Origin: China
- IUPAC: N2-(((9H-fluoren-9-yl)methoxy)carbonyl)-Nw,Nw'-dimethyl-L-arginine
- SMILES: CNC(NCCC[C@@H](C(O)=O)NC(OCC1C2=CC=CC=C2C3=CC=CC=C31)=O)=NC

Pricing & Availability

2,364

Medchemexpress LLC H-Arg-Lys-OH (TFA) | 99.86% | 25 MG

H-Arg-Lys-OH TFA is a dipeptide composed of L-arginyl and L-lysine residues. It is classified as an endogenous metabolite. Research indicates that advanced glycation end products (AGEs), particularly those forming lysine-lysine and lysine-arginine cross-links, are physiologically relevant and have been characterized from ex vivo tissues.

Dipeptide formed from L-arginyl and L-lysine residues.
Endogenous metabolite.
Used for research purposes only.
Available in solid and solution forms.
Solubility in H2O: 125 mg/mL (300.19 mM; requires sonication).
Storage conditions: -20°C, protected from light, under nitrogen (solid); -80°C for 6 months or -20°C for 1 month (in solvent, protected from light, under nitrogen).

Pricing & Availability

2,365

Medchemexpress LLC L-Arginine-13C6 hydrochloride | 201740-91-2 | MFCD00144558 | 99.0% | 216.62 | 13C6H15ClN4O2 | 10 MG

L-Arginine-13C6 hydrochloride is the 13C6-isotopically labeled hydrochloride salt of L-arginine, supplied as a high-purity tracer and internal standard for quantitative analysis by NMR, GC-MS, and LC-MS. It also serves as a nitrogen donor in research on nitric oxide synthesis.

13C6 isotopic labeling for use as tracer and internal standard.
High purity: 99.0%.
Hydrochloride salt form for stability and solubility.
Suitable for NMR, GC-MS, and LC-MS quantitative analysis.
Molecular weight 216.62 and CAS 201740-91-2.

Pricing & Availability

2,366

STA Pharmaceutical Fmoc-L-Cit-OMe | 1 g | CAS 1820581-58-5 | MDL MFCD27578297

Fmoc-L-Cit-OMe is a Amino Acid reagent (Subcategory: Urea AA) sold by WuXi TIDES. Offered in 1 g. Store at 4 °C. SDS available for reference.

Specifications
- CAS: 1820581-58-5
- MDL: MFCD27578297
- InChIKey: CNUDAIIEDFQCCQ-IBGZPJMESA-N
- Molecular Weight: 411.458
- Molecular Formula: C22H25N3O5
- Purity: ≥95%
- Container Type: 15 mL HDPE
- Pack Size: 1 g
- Net Weight: 1 g
- Gross Weight: 7.8 g
- Commodity Code: 29242970
- Country Of Origin: China
- IUPAC: methyl (S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-5-ureidopentanoate
- SMILES: NC(NCCC[C@H](NC(OCC1C2=C(C3=C1C=CC=C3)C=CC=C2)=O)C(OC)=O)=O

Pricing & Availability

2,367

STA Pharmaceutical Fmoc-L-β-homoarginine(Pmc) | 5 g | CAS 700377-76-0 | MDL MFCD03788172

Fmoc-L-β-homoarginine(Pmc) is a Amino Acid reagent (Subcategory: Beta AA) sold by WuXi TIDES. Offered in 5 g. Store at 4 °C. SDS available for reference.

Specifications
- CAS: 700377-76-0
- MDL: MFCD03788172
- InChIKey: MGKMEQWQKICWRD-DEOSSOPVSA-N
- Molecular Weight: 676.829
- Molecular Formula: C36H44N4O7S
- Purity: ≥95%
- Container Type: 30 mL HDPE
- Pack Size: 5 g
- Net Weight: 5 g
- Gross Weight: 16.5 g
- Commodity Code: 29359090
- Country Of Origin: China
- IUPAC: (S)-3-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-6-(3-((2,2,5,7,8-pentamethylchroman-6-yl)sulfonyl)guanidino)hexanoic acid
- SMILES: CC1=C2OC(C)(C)CCC2=C(C)C(=C1C)S(=O)(=O)NC(=N)NCCC[C@@H](CC(O)=O)NC(=O)OCC1C2=CC=CC=C2C2=CC=CC=C12

Pricing & Availability

2,368

Sigma Aldrich Fine Chemicals Biosciences Arginine hydrochloride Eur

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.for further information and support please go to the website of the issuing Pharmacopoeia.

Pricing & Availability

2,369

STA Pharmaceutical Fmoc-D-Arg(Tos)-OH | 25 g | CAS 139090-50-9 | MDL MFCD00065621

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

Specifications
- CAS: 139090-50-9
- MDL: MFCD00065621
- InChIKey: JRRARHJPRLAGNT-RUZDIDTESA-N
- Molecular Weight: 550.63
- Molecular Formula: C28H30N4O6S
- Purity: ≥95%
- Container Type: 125 mL HDPE
- Pack Size: 25 g
- Net Weight: 25 g
- Gross Weight: 54.3 g
- Commodity Code: 29359090
- Country Of Origin: China
- IUPAC: N2-(((9H-fluoren-9-yl)methoxy)carbonyl)-Nw-tosyl-D-arginine
- SMILES: CC1=CC=C(C=C1)S(=O)(NC(NCCC[C@H](C(O)=O)NC(OCC2C3=CC=CC=C3C4=CC=CC=C42)=O)=N)=O

Pricing & Availability

2,370

STA Pharmaceutical Fmoc-D-HoCit-OH | 5 g | CAS 201485-38-3 | MDL MFCD00237390

Fmoc-D-HoCit-OH is a Amino Acid reagent (Subcategory: Urea AA) sold by WuXi TIDES. Offered in 5 g. Store at 4 °C. SDS available for reference.

Specifications
- CAS: 201485-38-3
- MDL: MFCD00237390
- InChIKey: VJZUCXPETVPQIB-LJQANCHMSA-N
- Molecular Weight: 411.458
- Molecular Formula: C22H25N3O5
- Purity: ≥95%
- Container Type: 30 mL HDPE
- Pack Size: 5 g
- Net Weight: 5 g
- Gross Weight: 16.5 g
- Commodity Code: 29242970
- Country Of Origin: China
- IUPAC: N2-(((9H-fluoren-9-yl)methoxy)carbonyl)-N6-carbamoyl-D-lysine
- SMILES: NC(NCCCC[C@@H](NC(OCC1C2=CC=CC=C2C3=CC=CC=C31)=O)C(O)=O)=O

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Amino Acids

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Medchemexpress LLC N-Benzoyl-L-arginine ethyl ester hydrochloride | 2645-08-1 | 98.6% | 342.82 | 1 G Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC L-arginine-13C6,15N4 hydrochloride | 202468-25-5 | MFCD04118221 | 99.9% | 220.59 | 13C6H15Cl15N4O2 | 10 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Carboxymethyl chitosan | 83512-85-0 | MFCD00008812 | 90.0% | 543.5 g/mol | C20H37N3O14 | 1 G Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC H-Arg-Lys-OH (TFA) | 99.86% | 25 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC L-Arginine-13C6 hydrochloride | 201740-91-2 | MFCD00144558 | 99.0% | 216.62 | 13C6H15ClN4O2 | 10 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC N-Benzoyl-L-arginine ethyl ester hydrochloride | 2645-08-1 | 98.6% | 342.82 | 1 G

Medchemexpress LLC L-arginine-13C6,15N4 hydrochloride | 202468-25-5 | MFCD04118221 | 99.9% | 220.59 | 13C6H15Cl15N4O2 | 10 MG

Medchemexpress LLC Carboxymethyl chitosan | 83512-85-0 | MFCD00008812 | 90.0% | 543.5 g/mol | C20H37N3O14 | 1 G

Medchemexpress LLC H-Arg-Lys-OH (TFA) | 99.86% | 25 MG

Medchemexpress LLC L-Arginine-13C6 hydrochloride | 201740-91-2 | MFCD00144558 | 99.0% | 216.62 | 13C6H15ClN4O2 | 10 MG