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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2,656 – 2,670 of 35,795 results

2,656

Medchemexpress LLC L-Norleucine, 6-azido-N-[(9H-fluoren-9-ylmethoxy)carbonyl]- | 159610-89-6 | MFCD13182319 | 99.8% | 394.42 | C21H22N4O4 | 250 MG

N6-Diazo-L-Fmoc-lysine is an Fmoc-protected lysine derivative bearing an azide (diazo) functional group used as a click chemistry reagent for selective conjugation to alkyne- or strained alkyne-containing molecules.

Contains an azide functional group for copper-catalyzed azide-alkyne cycloaddition (CuAAC).
Compatible with strain-promoted alkyne-azide cycloaddition (SPAAC) using DBCO or BCN reagents.
High purity confirmed by HPLC (99.84% in the supplied COA).
Available in multiple pack sizes to support synthesis and conjugation workflows.

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2,657

Bachem Ac-Lys-NH2 · HCl

Ac-Lys-NH2 · HCl, 104584-11-4, C8H17N3O2 · HCl, Mr 223.70, 1g.

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2,658

Medchemexpress LLC H-Ser-His-OH | 67726-09-4 | 99.8% | 1 ML

H-Ser-His-OH is a short peptide characterized by its hydrolysis cleavage activity and its role as an endogenous metabolite. This product offers high purity for reliable research applications.

High purity of 99.8%
Molecular weight of 242.23
Chemical formula C9H14N4O4
Functions as an inhibitor
Derived from endogenous metabolic pathways
Useful for metabolic disease research

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2,659

Medchemexpress LLC H-l-lys(4-n3-z)-oh (hydrochloride) | 2084913-49-3 | MFCD14706695 | 99.7% | 357.79 | C14H20ClN5O4 | 10 MG

H-L-Lys(4-N3-Z)-OH hydrochloride is an azide-bearing lysine derivative supplied as the hydrochloride salt for use as a bioorthogonal click-chemistry reagent and probe. The azide moiety enables selective ligation via copper-catalyzed azide-alkyne cycloaddition (CuAAC) and strain-promoted alkyne-azide cycloaddition (SPAAC), facilitating efficient bioconjugation in synthetic and biological workflows.

Azide functional group enables CuAAC and SPAAC.
Designed for selective bioconjugation and probe attachment.
Suitable for probe synthesis and linker development for conjugates.
Supplied as hydrochloride salt for improved handling and stability.
High reported purity (≈99.7%) for analytical and synthetic use.

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2,660

Medchemexpress LLC (Z)-Capsaicin | 25775-90-0 | 99.79% | 1 ML

(Z)-Capsaicin is the cis isomer of capsaicin, acts as an orally active TRPV1 agonist, and is used in the research of neuropathic pain. It is for research use only and not sold to patients.

Cis isomer of capsaicin.
Orally active TRPV1 agonist.
Used in the research of neuropathic pain.
May also block neuronal calcium channels.
Significantly attenuates nociceptive behavior after oral administration in rats.
Tolerated in primary or recurrent experimental genital herpes simplex virus infection in guinea pigs.

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2,661

Electron Microscopy Sciences Poly-L-Lysine 0.1% Solution, 25988-63-0, 10ml

Molecular Formula C18H36N6O3X2.3BrH, Poly-L-lysine with a molecular weight of >70,000. This solution is useful in promoting cell adhesion to solid substrates and used for nuclear antigen-coated red cells in hymolytic plaque assay. The 0.1% aqueous solution which is micro-filtered and is used to increase tissue adhesion to the glass slide, which is needed for immunohistochemical and immunolabeling techniques, as well as lengthy staining procedures.

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2,662

Matrix Scientific L-LYSINEL-LYSINE MF C6H14-100

L-lysine Mf C6h14n2o2 Mw 146.19 Cas 56-87-1 Mdl MFCD00064433

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2,663

Sigma Aldrich Fine Chemicals Biosciences Poly-L-lysine hydrobromide, 25988-63-0, MFCD00237230, 25 mg

Mol wt 30,000-70,000. Poly-L-lysine polymers can be used in promoting cell adhesion to solid substrates, conjugation to methotrexate for increased drug transport, microencapsulation of islets, cell microencapsulation technology, microarray glass slide coating, and chromosomal preparations. Lower molecular weight poly-L-lysine (30,000-70,000) is less viscuous in solution, but higher molecular weight versions provide more attachment sites per molecule.

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2,664

eMolecules 167393-62-6 | Fmoc-Lys(Mtt)-OH | Oakwood Chemical | MFCD00237166 | 624.781 | C41H40N2O4 | 98.000 | Cc1ccc(cc1)C(NCCCC[C@H](NC(=O)OCC1c2ccccc2-c2ccccc12)C(O)=O)(c1ccccc1)c1ccccc1 | 25g | 846292570

Fmoc-Lys(Mtt)-OH | Oakwood Chemical | 167393-62-6 | MFCD00237166 | 624.781 | C41H40N2O4 | 98.000 | Cc1ccc(cc1)C(NCCCC[C@H](NC(=O)OCC1c2ccccc2-c2ccccc12)C(O)=O)(c1ccccc1)c1ccccc1 | 25g | 846292570

Pricing & Availability

2,665

eMolecules Fmoc-L-Lys(Alloc)-OH | Combi-Blocks, Inc. | 146982-27-6 | MFCD00190872 | 452.507 | C25H28N2O6 | 98.000 | OC(=O)[C@H](CCCCNC(=O)OCC=C)NC(=O)OCC1c2ccccc2-c2ccccc12 | 500g | 603131051

Fmoc-L-Lys(Alloc)-OH | Combi-Blocks, Inc. | 146982-27-6 | MFCD00190872 | 452.507 | C25H28N2O6 | 98.000 | OC(=O)[C@H](CCCCNC(=O)OCC=C)NC(=O)OCC1c2ccccc2-c2ccccc12 | 500g | 603131051

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2,666

Apexbio Technology LLC His-tag Protein Purification Kit (Non-Denaturant) 10ml

The His-tag Protein Purification Kit (Non-Denaturant) is designed for the affinity purification of recombinant proteins containing polyhistidine (His) tags under native non-denaturing conditions The kit utilizes metal ion affinity chromatography where the His-tag binds selectively to immobilized divalent metal ions on the resin matrix enabling targeted isolation without disrupting protein conformation or activity This approach preserves the protein s native structure supporting downstream functional analyses such as enzymatic assays protein-protein interaction studies and structural characterization The kit is widely applicable in molecular biology and protein biochemistry research

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2,667

Selleck Chemical LLC 6--Aminocaproic acid 10mg 60-32-2

(6-)?-?Aminocaproic acid is a derivative and analogue of the amino acid lysine. *For Research & Development use only. Product is not intended for drug, household, or human consumption.

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2,668

Selleck Chemical LLC Puromycin 2HCl

Puromycin 2HCl is an aminonucleoside antibiotic derived from Streptomyces alboniger It is an inhibitor of protein synthesis and has been used to study transcription regulatory mechanisms that control the sequential and coordinated expression of genes during cell differentiation

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2,669

Medchemexpress LLC [Des-His1,Glu9]-Glucagon amide TFA | 110084-95-2 | MFCD00080353 | 98.36% | 3472.67 | 10 MG

[Des-His1,Glu9]-Glucagon amide TFA is a potent peptide antagonist of the glucagon receptor, with a pA2 of 7.2. It is potentially useful in the study of the pathogenesis of diabetes.

Potent and peptide antagonist of the glucagon receptor
pA2 of 7.2
Potentially useful in the study of the pathogenesis of diabetes

Pricing & Availability

2,670

STA Pharmaceutical Fmoc-L-His(1-Me)-OH | 5 g | CAS 202920-22-7 | MDL MFCD02259495

Fmoc-L-His(1-Me)-OH is a Amino Acid reagent (Subcategory: His) sold by WuXi TIDES. Offered in 5 g. Store at 4 °C. SDS available for reference.

Specifications
- CAS: 202920-22-7
- MDL: MFCD02259495
- InChIKey: SLWOFHRSEVVUHM-FQEVSTJZSA-N
- Molecular Weight: 391.427
- Molecular Formula: C22H21N3O4
- Purity: ≥95%
- Container Type: 30 mL HDPE
- Pack Size: 5 g
- Net Weight: 5 g
- Gross Weight: 16.5 g
- Commodity Code: 29332990
- Country Of Origin: China
- IUPAC: Na-(((9H-fluoren-9-yl)methoxy)carbonyl)-Nt-methyl-L-histidine
- SMILES: CN1C=C(C[C@@H](C(O)=O)NC(OCC2C3=CC=CC=C3C4=CC=CC=C42)=O)N=C1

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Amino Acids

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Medchemexpress LLC L-Norleucine, 6-azido-N-[(9H-fluoren-9-ylmethoxy)carbonyl]- | 159610-89-6 | MFCD13182319 | 99.8% | 394.42 | C21H22N4O4 | 250 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC H-Ser-His-OH | 67726-09-4 | 99.8% | 1 ML Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC H-l-lys(4-n3-z)-oh (hydrochloride) | 2084913-49-3 | MFCD14706695 | 99.7% | 357.79 | C14H20ClN5O4 | 10 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC (Z)-Capsaicin | 25775-90-0 | 99.79% | 1 ML Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC [Des-His1,Glu9]-Glucagon amide TFA | 110084-95-2 | MFCD00080353 | 98.36% | 3472.67 | 10 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC L-Norleucine, 6-azido-N-[(9H-fluoren-9-ylmethoxy)carbonyl]- | 159610-89-6 | MFCD13182319 | 99.8% | 394.42 | C21H22N4O4 | 250 MG

Medchemexpress LLC H-Ser-His-OH | 67726-09-4 | 99.8% | 1 ML

Medchemexpress LLC H-l-lys(4-n3-z)-oh (hydrochloride) | 2084913-49-3 | MFCD14706695 | 99.7% | 357.79 | C14H20ClN5O4 | 10 MG

Medchemexpress LLC (Z)-Capsaicin | 25775-90-0 | 99.79% | 1 ML

Medchemexpress LLC [Des-His1,Glu9]-Glucagon amide TFA | 110084-95-2 | MFCD00080353 | 98.36% | 3472.67 | 10 MG