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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5,311 – 5,325 of 36,064 results

5,311

Ambeed AMBEED

5000882468 H-ARG-OH 1000G

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5,312

Ambeed AMBEED

5000895326 H-CIS-3-OH-PRO-OHHCL 250MG

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5,313

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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5,314

STA PHARMACEUTICAL US LLC 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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5,315

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.

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5,316

STA PHARMACEUTICAL US LLC 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

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5,317

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

5,318

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

5,319

STA PHARMACEUTICAL US LLC 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

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5,320

STA PHARMACEUTICAL US LLC 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

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5,321

Medchemexpress LLC CH3OCO-D-CHA-Gly-Arg-pNA acetate | 80895-10-9 | C27H42N8O9 | 1 ML

CH3OCO-D-CHA-Gly-Arg-pNA acetate is a chromogenic substrate for factor Xa. It has a molecular weight of 622.67 and a purity of 99.24%.

Chromogenic substrate for factor Xa
Target: Factor Xa
Pathway: Metabolic enzyme/protease
Solid storage: 4°C, sealed, away from moisture
In solvent storage: -80°C for 6 months; -20°C for 1 month (sealed, away from moisture)
Solubility in DMSO: 250 mg/mL (401.50 mM)

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5,322

STA PHARMACEUTICAL US LLC Fmoc-D-HomoArg(diZ)-OH | 5 g | CAS 2044709-94-4 | MDL MFCD30475917

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

Specifications
- CAS: 2044709-94-4
- MDL: MFCD30475917
- InChIKey: XGFIPUBTTVYBBV-MGBGTMOVSA-N
- Molecular Weight: 678.742
- Molecular Formula: C38H38N4O8
- Purity: ≥95%
- Container Type: 30 mL HDPE
- Pack Size: 5 g
- Net Weight: 5 g
- Gross Weight: 16.5 g
- Commodity Code: 29252900
- Country Of Origin: China
- IUPAC: N2-(((9H-fluoren-9-yl)methoxy)carbonyl)-N6-(3,7-dioxo-1,9-diphenyl-2,8-dioxa-4,6-diazanonan-5-ylidene)-D-lysine
- SMILES: O=C(OCC1=CC=CC=C1)NC(NC(OCC2=CC=CC=C2)=O)=NCCCC[C@H](C(O)=O)NC(OCC3C4=CC=CC=C4C5=C3C=CC=C5)=O

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5,323

STA PHARMACEUTICAL US LLC Fmoc-D-N-Me-Arg(Pbf)-OH | 25 g | CAS 2044710-57-6 | MDL MFCD04974250

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

Specifications
- CAS: 2044710-57-6
- MDL: MFCD04974250
- InChIKey: MEGKXARLCPKZHJ-GDLZYMKVSA-N
- Molecular Weight: 662.802
- Molecular Formula: C35H42N4O7S
- 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)-N2-methyl-Nw-((2,2,4,6,7-pentamethyl-2,3-dihydrobenzofuran-5-yl)sulfonyl)-D-arginine
- SMILES: CC1=C2CC(C)(OC2=C(C(C)=C1S(=O)(NC(NCCC[C@@H](N(C(OCC3C4=CC=CC=C4C5=C3C=CC=C5)=O)C)C(O)=O)=N)=O)C)C

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5,324

Medchemexpress LLC Nε-(carboxymethyl)-L-lysine | 5746-04-3 | MFCD04114278 | 95.0% | 204.22 g/mol | C8H16N2O4 | 5 MG

Nε-(Carboxymethyl)-L-lysine is a carboxymethylated derivative of lysine used as an analytical standard and biomarker reagent. It is supplied as a white to off-white solid and is commonly used in studies of advanced glycation end products and in analytical workflows such as mass spectrometry and chromatography.

White to off-white solid suitable for analytical use.
Used as an analytical standard for advanced glycation end product research.
Compatible with LC-MS and chromatographic methods.
Typical purity around 95.0%, with higher-purity batches available.
Powder stable at -20 °C for long-term storage; solutions require colder storage.

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5,325

STA PHARMACEUTICAL US LLC Fmoc-D-Arg(Pmc)-OH | 50 g | CAS 157774-30-6 | MDL MFCD00065619

Fmoc-D-Arg(Pmc)-OH is a Amino Acid reagent (Subcategory: Arg) sold by WuXi TIDES. Offered in 50 g. Store at 4 °C. SDS available for reference.

Specifications
- CAS: 157774-30-6
- MDL: MFCD00065619
- InChIKey: QTWZCODKTSUZJN-GDLZYMKVSA-N
- Molecular Weight: 662.802
- Molecular Formula: C35H42N4O7S
- 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)-Nw-((2,2,5,7,8-pentamethylchroman-6-yl)sulfonyl)-D-arginine
- SMILES: CC1=C2OC(C)(C)CCC2=C(C)C(=C1C)S(=O)(=O)NC(=N)NCCC[C@@H](NC(=O)OCC1C2=C(C=CC=C2)C2=C1C=CC=C2)C(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 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 CH3OCO-D-CHA-Gly-Arg-pNA acetate | 80895-10-9 | C27H42N8O9 | 1 ML 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 | 95.0% | 204.22 g/mol | C8H16N2O4 | 5 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More