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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4,831 – 4,845 of 36,139 results

4,831

Medchemexpress LLC L-isovaline | 595-40-4 | MFCD00145255 | 99.9% | 117.15 g/mol | C5H11NO2 | 100 MG

L-Isovaline is a non-proteinogenic amino acid and valine derivative supplied for research use. It is commonly employed in biochemical and pharmacological studies, receptor modulation experiments, and as an analytical reference standard for method development.

Non-proteinogenic valine derivative suitable for biochemical research.
High purity (99.9%) for analytical and experimental consistency.
Solid, white to off-white appearance for easy handling and storage.
Well-characterized physicochemical data (MW 117.15 g/mol; CAS 595-40-4).
Soluble in water and DMSO with reported guidance for sample preparation.

Pricing & Availability

4,832

Alkali Scientific L Valine, USP Grade, 25 GRAM

L Valine, USP Grade, in a 25g package, is an essential amino acid critical for protein synthesis and muscle tissue repair. It is commonly used in research related to muscle metabolism, enzyme activity, and nutritional studies. Valine also plays a significant role in maintaining nitrogen balance and regulating blood sugar levels. This 25g quantity is ideal for small-scale laboratory research and for preparing amino acid solutions for metabolic studies. Its high purity makes it suitable for use in pharmaceutical formulations, clinical nutrition, and diagnostic research, ensuring reliable results in amino acid-related assays and tests.

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4,833

eMolecules Fmoc-Val-Cit-PAB-MMAE | 1350456-56-2 | MFCD30377196 | 25mg

Broadpharm | Fmoc-Val-Cit-PAB-MMAE | 25mg | 445409007 | BP-23246 | 98.000 | 1350456-56-2 | MFCD30377196 | 1345.691 | C73H104N10O14

If you are unable to find the chemical you are looking for, make sure you are logged into your fishersci.com account and click on the following link:
eMolecules Building Block Tool

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4,834

STA PHARMACEUTICAL US LLC Fmoc-5,5,5-Trifluoro-L-Norvaline | 50 g | CAS 144207-41-0 | MDL MFCD31580021

Fmoc-5,5,5-Trifluoro-L-Norvaline is a Amino Acid reagent (Subcategory: Alkane AA) sold by WuXi TIDES. Offered in 50 g. Store at 4 °C. SDS available for reference.

Specifications
- CAS: 144207-41-0
- MDL: MFCD31580021
- InChIKey: KMHCZJHUIDEERF-KRWDZBQOSA-N
- Molecular Weight: 393.362
- Molecular Formula: C20H18F3NO4
- Purity: ≥95%
- Container Type: 250 mL HDPE
- Pack Size: 50 g
- Net Weight: 50 g
- Gross Weight: 89.8 g
- Commodity Code: 29242970
- Country Of Origin: China
- IUPAC: (S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-5,5,5-trifluoropentanoic acid
- SMILES: O=C(OCC1C2=CC=CC=C2C3=CC=CC=C31)N[C@H](C(O)=O)CCC(F)(F)F

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4,835

Cayman Chemical Cyclo -Ala-L-Val 1mg

A bacterial cyclic dipeptide; activates a LuxR-based AHL E. coli biosensor and blocks activation of the biosensor by the quorum sensing signal molecule 3-oxo-C6-HSL (IC50 = 0.8 mM); reduces S. liquefaciens colony expansion by 21% at 15 μM; inhibits interaction of kinases Ras and Raf-1 in a yeast two-hybrid assay in a concentration-dependent manner

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4,836

Biotium Thiol Reactive Dyes Reactive CF Dyes Other Dyes Biotinylation Reagents Reactive CF Dyes CF740 1/EA

CF Dye Succinimidyl Esters (SE also known as NHS esters) are Biotiums next-generation fluorescent dyes in amine-reactive form for labeling antibodies and other proteins on amine groups such as lysine residues Near-infrared fluorescent CF740 has excitation/emission at 742/767 nm

Pricing & Availability

4,837

Medchemexpress LLC Mc-d-Val-d-Cit-PAB-PNP | 1350456-68-6 | 98.8% | 737.76 | C35H43N7O11 | 50 MG

Mc-d-Val-d-Cit-PAB-PNP is a cleavable peptide linker used for synthesizing antibody-drug conjugates (ADCs). Supplied as a white to off-white solid with a molecular weight of 737.76 and measured purity of 98.80%, it is intended for research applications and for use in controlled payload release from ADCs.

Cleavable peptide linker suitable for antibody-drug conjugate synthesis.
High purity for consistent conjugation performance.
White to off-white solid, easy to handle in the laboratory.
Available in milligram pack sizes for small-scale research use.
Store at recommended low temperatures to maintain stability.

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4,838

Medchemexpress LLC Val-cit-pab-mmaf (sodium) | 98.4% | 1159.39 g/mol | C58H91N10NaO13 | 100 MG

Val-Cit-PAB-MMAF sodium is a drug-linker conjugate used in antibody-drug conjugate (ADC) research that combines the cathepsin-cleavable peptide linker Val-Cit-PAB with monomethyl auristatin F (MMAF) as the cytotoxic payload. Intended for research use only.

Drug-linker conjugate for ADC research.
Purity approximately 98.4%.
Molecular weight 1159.39 g/mol.
Formula C58H91N10NaO13.
Appearance: solid, off-white to light yellow.
Storage: store at 4°C under nitrogen; in solvent, -80°C (6 months) or -20°C (1 month) when under nitrogen.

Pricing & Availability

4,839

eMolecules 1884577-99-4 | Boc-Val-Ala-PAB | Acrotein ChemBio Inc. | MFCD28557280 | 393.484 | C20H31N3O5 | 97.000 | CC(C)[C@H](NC(=O)OC(C)(C)C)C(=O)N[C@@H](C)C(=O)Nc1ccc(CO)cc1 | 1g | 705837475

Boc-Val-Ala-PAB | Acrotein ChemBio Inc. | 1884577-99-4 | MFCD28557280 | 393.484 | C20H31N3O5 | 97.000 | CC(C)[C@H](NC(=O)OC(C)(C)C)C(=O)N[C@@H](C)C(=O)Nc1ccc(CO)cc1 | 1g | 705837475

Pricing & Availability

4,840

Medchemexpress LLC OH-Glu-Val-Cit-PAB-MMAE | 1895916-23-0 | 99.0% | 1237.53 | C63H100N10O15 | 10 MG

OH-Glu-Val-Cit-PAB-MMAE is a drug-linker conjugate combining a cleavable peptide linker (OH-Glu-Val-Cit-PAB) with the tubulin inhibitor monomethyl auristatin E (MMAE). It is used as a building block in the synthesis of antibody-drug conjugates (ADCs) for research applications.

Cleavable peptide linker compatible with ADC synthesis.
Contains monomethyl auristatin E (MMAE), a potent tubulin inhibitor.
CAS number 1895916-23-0 and molecular weight 1237.53.
High purity (99.0%) suitable for research use.
Soluble in DMSO at 180 mg/mL; may require sonication.
Storage: solid sealed at -20°C; in solvent store at -80°C up to 6 months.
Available in small research quantities, such as 10 mg.

Pricing & Availability

4,841

Medchemexpress LLC MEDCHEMEXPRESS LLC

5000771084 3-FLUORO-DL-VALINE 10MG

Pricing & Availability

4,842

Chemscene CHEMSCENE

5000576797 CBZ-D-VALINE 25G

Pricing & Availability

4,843

Medchemexpress LLC Val-Cit-PAB-Exatecan TFA | 2928571-44-0 | 99.7% | 954.92 | C45H50F4N8O11 | 25 MG

Val-Cit-PAB-Exatecan TFA is an agent-linker conjugate for antibody-drug conjugates, composed of the topoisomerase I inhibitor Exatecan (DX-8951) linked via a cathepsin-cleavable Val-Cit-PAB linker. It is supplied for research use in multiple package sizes, including 25 mg.

Agent-linker conjugate for antibody-drug conjugates.
Composed of Exatecan and a cathepsin-cleavable val-cit-pab linker.
High purity (99.73%) as listed by manufacturer.
Molecular weight 954.92 (TFA salt form).
Available in multiple package sizes, including 25 mg.

Pricing & Availability

4,844

Medchemexpress LLC MC-Val-Cit-PAB-dimethylDNA31 | 1639352-06-9 | 1518.15 | C78H101ClN10O19 | 10 MG

MC-Val-Cit-PAB-dimethylDNA31 is an agent-linker conjugate used in antibody-drug conjugate (ADC) research that links a cleavable valine-citrulline PAB linker to the dimethylDNA31 payload for preclinical conjugation and efficacy studies.

Agent-linker conjugate for ADC research and conjugation chemistry.
Cleavable valine-citrulline p-aminobenzyl (PAB) linker enables intracellular payload release.
DimethylDNA31 payload with reported antitumor and bactericidal activity against persisters.
Available in small-scale pack sizes suitable for preclinical studies.
Storage: -20°C sealed; in solvent -80°C for long-term stability.

Pricing & Availability

4,845

Medchemexpress LLC ((Allyloxy)carbonyl)-L-valyl-L-alanine | 330970-70-2 | MFCD28387723 | >95.0% | 272.30 g/mol | C12H20N2O5 | 25 G

Alloc-Val-Ala-OH (((Allyloxy)carbonyl)-L-valyl-L-alanine) is an Alloc-protected dipeptide used as a synthetic building block in medicinal chemistry and in linker/payload synthesis for antibody-drug conjugates. It is susceptible to enzymatic cleavage by cathepsin B and is supplied for research use.

Cas number 330970-70-2.
Molecular formula C12H20N2O5; molecular weight 272.30 g/mol.
Purity >95.0%.
Available in multiple pack sizes, including 25 G.
Alloc-protected N-terminal enables selective deprotection.
Useful as a building block in linker and payload synthesis for ADCs.
For research use only; consult SDS and COA for handling and safety.

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Amino Acids

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Medchemexpress LLC L-isovaline | 595-40-4 | MFCD00145255 | 99.9% | 117.15 g/mol | C5H11NO2 | 100 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Alkali Scientific L Valine, USP Grade, 25 GRAM Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Cayman Chemical Cyclo -Ala-L-Val 1mg Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Mc-d-Val-d-Cit-PAB-PNP | 1350456-68-6 | 98.8% | 737.76 | C35H43N7O11 | 50 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Val-cit-pab-mmaf (sodium) | 98.4% | 1159.39 g/mol | C58H91N10NaO13 | 100 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC OH-Glu-Val-Cit-PAB-MMAE | 1895916-23-0 | 99.0% | 1237.53 | C63H100N10O15 | 10 MG 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

Chemscene CHEMSCENE Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Val-Cit-PAB-Exatecan TFA | 2928571-44-0 | 99.7% | 954.92 | C45H50F4N8O11 | 25 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC MC-Val-Cit-PAB-dimethylDNA31 | 1639352-06-9 | 1518.15 | C78H101ClN10O19 | 10 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC ((Allyloxy)carbonyl)-L-valyl-L-alanine | 330970-70-2 | MFCD28387723 | >95.0% | 272.30 g/mol | C12H20N2O5 | 25 G Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More