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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6,556 – 6,570 of 35,791 results

6,556

Medchemexpress LLC Mc-val-ala-oh | 1342211-31-7 | MFCD27956998 | 99.8% | 381.42 g/mol | C18H27N3O6 | 25 MG

MC-Val-Ala-OH is a cleavable antibody-drug conjugate (ADC) linker that incorporates a valine-alanine dipeptide and a maleimide reactive handle. It acts as a protease-sensitive spacer to enable intracellular release of conjugated payloads and is provided as a high-purity solid for research use only.

Protease-sensitive val-ala dipeptide for intracellular cleavage
Maleimide reactive handle for thiol-selective conjugation
High purity suitable for research-grade ADC synthesis
Soluble in common organic solvents such as DMSO
Available in lab-scale quantities for small-batch synthesis

Pricing & Availability

6,557

Medchemexpress LLC H-Val-Pro-Pro-OH (TFA) | 2828433-08-3 | 98.0% | 425.40 | 50 MG

H-Val-Pro-Pro-OH (TFA) is a milk-derived proline peptide derivative that acts as an inhibitor of Angiotensin I converting enzyme (ACE), with an IC50 of 9 μM. For research use only, not sold to patients. H-Val-Pro-Pro-OH (TFA) can enhance insulin sensitivity and prevent insulin resistance in 3T3-F442A pre-adipocytes. It also possesses anti-hypertensive and anti-inflammatory functions, and can enhance the expression of glucose transporter 4 (GLUT4) in adipocytes and restore glucose uptake in TNF-treated adipocytes.

Inhibitor of Angiotensin I converting enzyme (ACE)
Enhances insulin sensitivity
Prevents insulin resistance in 3T3-F442A pre-adipocytes
Anti-hypertensive properties
Anti-inflammatory functions
Enhances expression of glucose transporter 4 (GLUT4) in adipocytes
Restores glucose uptake in TNF-treated adipocytes

Pricing & Availability

6,558

Medchemexpress LLC H-Val-Ala-OH (Standard) | 27493-61-4 | 188.23 | 1G

H-Val-Ala-OH (Valyl-alanine) is a dipeptide formed from L-Valine and L-Alanine residues, functioning as a metabolite with a bitter taste. It is intended for research use only as an analytical standard for qualitative, quantitative, and methodological research experiments.

Dipeptide derived from L-Valine and L-Alanine
Acts as a metabolite
Possesses a bitter taste
Used as an analytical reference standard
Applicable in HPLC, GC, and MS research techniques

Pricing & Availability

6,559

eMolecules 159858-22-7 | Fmoc-Val-Cit-PAB-OH | Ambeed | MFCD22417106 | 601.704 | C33H39N5O6 | 98.000 | CC(C)[C@H](NC(=O)OCC1c2ccccc2-c2ccccc12)C(=O)N[C@@H](CCCNC(N)=O)C(=O)Nc1ccc(CO)cc1 | 100g | 846262358

Fmoc-Val-Cit-PAB-OH | Ambeed | 159858-22-7 | MFCD22417106 | 601.704 | C33H39N5O6 | 98.000 | CC(C)[C@H](NC(=O)OCC1c2ccccc2-c2ccccc12)C(=O)N[C@@H](CCCNC(N)=O)C(=O)Nc1ccc(CO)cc1 | 100g | 846262358

Pricing & Availability

6,560

eMolecules 159857-81-5 | Mc-Val-Cit-PABC-PNP | ChemScene | MFCD22200431 | 737.767 | C35H43N7O11 | 98.000 | CC(C)[C@H](NC(=O)CCCCCN1C(=O)C=CC1=O)C(=O)N[C@@H](CCCNC(N)=O)C(=O)Nc1ccc(COC(=O)Oc2ccc(cc2)[N+]([O-])=O)cc1 | 250mg | 654744069

Mc-Val-Cit-PABC-PNP | ChemScene | 159857-81-5 | MFCD22200431 | 737.767 | C35H43N7O11 | 98.000 | CC(C)[C@H](NC(=O)CCCCCN1C(=O)C=CC1=O)C(=O)N[C@@H](CCCNC(N)=O)C(=O)Nc1ccc(COC(=O)Oc2ccc(cc2)[N+]([O-])=O)cc1 | 250mg | 654744069

Pricing & Availability

6,561

Medchemexpress LLC Oh-glu-val-cit-pab-mmae | 1895916-23-0 | MFCD34676998 | 99.0% | 1237.53 | C63H100N10O15 | 5 MG

A cleavable antibody-drug conjugate (ADC) reagent combining an OH-Glu-Val-Cit-PAB cleavable linker with the cytotoxic payload monomethyl auristatin E (MMAE), supplied for research use in ADC synthesis.

Cleavable linker conjugated to a tubulin inhibitor for ADC construction.
High purity suitable for research applications.
Supplied as a 5 mg unit; larger sizes available on request.
Store sealed at -20°C, protected from moisture and light; in solvent store at -80°C for up to 6 months.
Includes CAS 1895916-23-0 and molecular weight 1237.53 for reference.

Pricing & Availability

6,562

Medchemexpress LLC DL-Valine | 516-06-3 | 98.0% | 117.15 | 100 G

DL-Valine is a valine derivative. Amino acids and amino acid derivatives have been commercially used as ergogenic supplements. They influence the secretion of anabolic hormones, supply of fuel during exercise, mental performance during stress related tasks and prevent exercise induced muscle damage. They are recognized to be beneficial as ergogenic dietary substances.

Valine derivative
Used as an ergogenic supplement
Influences the secretion of anabolic hormones
Supplies fuel during exercise
Enhances mental performance during stress-related tasks
Prevents exercise-induced muscle damage
Recognized as a beneficial ergogenic dietary substance

Pricing & Availability

6,563

Medchemexpress LLC Py-maa-val-cit-pab-mmae | 2247398-68-9 | 98.5% | 1446.79 | C72H111N13O16S | 50 MG

Py-MAA-Val-Cit-PAB-MMAE is a drug-linker conjugate used as a building block in antibody-drug conjugate (ADC) synthesis. It links the cytotoxic payload MMAE to a protease-cleavable Val-Cit-PAB linker via a Py-MAA spacer and is intended for research use in ADC development.

Protease-cleavable Val-Cit-PAB linker for controlled payload release
Contains a Py-MAA spacer for conjugation flexibility
Includes monomethyl auristatin E (MMAE) as the cytotoxic payload
Supplied as a dry material suitable for organic solvent handling
Intended for research and development applications in ADC synthesis

Pricing & Availability

6,564

STA Pharmaceutical Fmoc-L-beta-HomoVal-OH | 25 g | CAS 172695-33-9 | MDL MFCD01862853

Fmoc-L-beta-HomoVal-OH is a Amino Acid reagent (Subcategory: Beta AA) sold by WuXi TIDES. Offered in 25 g. Store at 4 °C. SDS available for reference.

Specifications
- CAS: 172695-33-9
- MDL: MFCD01862853
- InChIKey: KFDMTAMWOIQTOB-LJQANCHMSA-N
- Molecular Weight: 353.418
- Molecular Formula: C21H23NO4
- Purity: ≥95%
- Container Type: 125 mL HDPE
- Pack Size: 25 g
- Net Weight: 25 g
- Gross Weight: 54.3 g
- Commodity Code: 29242970
- Country Of Origin: China
- IUPAC: (R)-3-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-4-methylpentanoic acid
- SMILES: CC(C)[C@@H](CC(O)=O)NC(OCC1C2=CC=CC=C2C3=CC=CC=C31)=O

Pricing & Availability

6,565

Medchemexpress LLC Fmoc-VAP-MMAE | 1912408-91-3 | 1259.57 | 10 MG

Fmoc-VAP-MMAE is an agent-linker conjugate for Antibody-Drug Conjugates (ADC). It consists of an ADC linker, a tubulin inhibitor MMAE (HY-15162), and a protective Fmoc group. It is intended for research use only and is not sold to patients. The appearance is a solid, white to off-white in color.

Agent-linker conjugate for ADC
Composed of an ADC linker and MMAE, a tubulin inhibitor
Features a protective Fmoc group
Intended for research use only
Appearance: solid, white to off-white in color

Pricing & Availability

6,566

Medchemexpress LLC Dianhydrodulcitol; Dianhydrogalactitol | 23261-20-3 | 98.0% | 146.14 | 1 ML

VAL-083 is an alkylating agent designed for research use, primarily known for creating N7 methylation on DNA and exhibiting antitumor activity. It suppresses cancer cell growth, induces apoptosis, and inhibits the proliferation of various cancer cell lines in a dose-dependent manner.

Alkylating agent that creates N7 methylation on DNA.
Suppresses U251 and SF188 cell growth and induces apoptosis.
Inhibits the proliferation of various cancer cell lines in a dose-dependent manner.
Suppresses migration and invasion by reducing MMP2, VEGF, VEGFR2, and FGF2 expression.
Induces cell cycle arrest at G2/M phase in glioma cell lines.
Enhances radiosensitivity and inhibits angiogenesis.
Blocks growth of LN229 cells in mice, with an 83.58% tumor growth inhibitory rate.
Potential multitarget agent for glioblastoma; new treatment option.

Pricing & Availability

6,567

Medchemexpress LLC D-Isovaline | 3059-97-0 | 97.0% | 117.15 | 1 G

D-Isovaline is a valine derivative, recognized as a beneficial ergogenic dietary substance. It is commonly used as an ergogenic supplement, influencing the secretion of anabolic hormones and the supply of fuel during exercise.

Supports mental performance during stress-related tasks
Helps prevent exercise-induced muscle damage
Influences anabolic hormone secretion
Supplies fuel during exercise

Pricing & Availability

6,568

Medchemexpress LLC Aminocaproyl-val-cit-PABC-MMAE | 1374407-35-8 | 99.9% | 1236.58 | 50 MG

Aminocaproyl-Val-Cit-PABC-MMAE is a drug-linker conjugate for antibody-drug conjugates (ADC). It is utilized in cancer research and targeted therapy contexts.

Drug-linker conjugate for ADC
Used in cancer research
Suitable for cancer targeted therapy
Functions as an inhibitor

Pricing & Availability

6,569

Medchemexpress LLC Azido-PEG(4)-Val-Cit-PAB-PNP | 1869126-60-2 | C36H51N9O13 | 50 MG

Azido-PEG(4)-Val-Cit-PAB-PNP is a cleavable peptide ADC linker. It functions as a click chemistry reagent, featuring an azide group. This reagent is designed to engage in copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing alkyne groups, and can also participate in ring strain-promoted alkyne-azide cycloaddition (SPAAC) with molecules possessing DBCO or BCN groups.

Cleavable peptide ADC linker
Functions as a click chemistry reagent
Contains an azide group
Undergoes copper-catalyzed azide-alkyne cycloaddition (CuAAc) with alkyne groups
Can participate in ring strain-promoted alkyne-azide cycloaddition (SPAAC) with DBCO or BCN groups

Pricing & Availability

6,570

Medchemexpress LLC mp-dLAE-PABC-MMAE | 2625616-44-4 | 98.3% | 1331.59 g·mol⁻1 | C68H102N10O17 | 10 MG

mp-dLAE-PABC-MMAE is a drug-linker conjugate designed for use in antibody-drug conjugate (ADC) synthesis. The compound incorporates monomethyl auristatin E as the cytotoxic payload and a para-aminobenzyl carbamate (PABC) cleavable spacer, and is supplied in milligram quantities for research and development.

Contains monomethyl auristatin E, a potent tubulin inhibitor.
Includes a PABC cleavable linker for enzyme-triggered payload release.
Supplied as a solid in multiple milligram sizes suitable for ADC conjugation workflows.
Molecular formula C68H102N10O17 and high purity for research applications.
Suitable for preclinical ADC synthesis and payload conjugation studies.

Pricing & Availability

Amino Acids

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Medchemexpress LLC Mc-val-ala-oh | 1342211-31-7 | MFCD27956998 | 99.8% | 381.42 g/mol | C18H27N3O6 | 25 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC H-Val-Pro-Pro-OH (TFA) | 2828433-08-3 | 98.0% | 425.40 | 50 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC H-Val-Ala-OH (Standard) | 27493-61-4 | 188.23 | 1G 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 | MFCD34676998 | 99.0% | 1237.53 | C63H100N10O15 | 5 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC DL-Valine | 516-06-3 | 98.0% | 117.15 | 100 G Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Py-maa-val-cit-pab-mmae | 2247398-68-9 | 98.5% | 1446.79 | C72H111N13O16S | 50 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Fmoc-VAP-MMAE | 1912408-91-3 | 1259.57 | 10 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Dianhydrodulcitol; Dianhydrogalactitol | 23261-20-3 | 98.0% | 146.14 | 1 ML Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC D-Isovaline | 3059-97-0 | 97.0% | 117.15 | 1 G Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Aminocaproyl-val-cit-PABC-MMAE | 1374407-35-8 | 99.9% | 1236.58 | 50 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Azido-PEG(4)-Val-Cit-PAB-PNP | 1869126-60-2 | C36H51N9O13 | 50 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC mp-dLAE-PABC-MMAE | 2625616-44-4 | 98.3% | 1331.59 g·mol⁻1 | C68H102N10O17 | 10 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More