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.

Search Within Results

5,956 – 5,970 of 36,055 results

5,956

Ambeed AMBEED

5000893075 H-45-DEHYDRO-LEU-OH 250MG

Pricing & Availability

5,957

Sigma Aldrich Fine Chemicals Biosciences L-Leucine-7-amido-4-methylcoumarin hydrochloride | 62480-44-8 | MFCD00043262 | 25mg

L-Leucine-7-amido-4-methylcoumarin hydrochloride | Mol Wt: 324.8 | 62480-44-8 | MFCD00043262 | 25mg

Pricing & Availability

5,958

STA PHARMACEUTICAL US LLC (S)-2-[N-Fmoc-(methylamino)]-4-methyl-4-pentenoic acid | 10 g | CAS 145615-72-1 | InChIKey CWDITQNWNTYNAJ-FQEVSTJZSA-N

(S)-2-[N-Fmoc-(methylamino)]-4-methyl-4-pentenoic acid is a Amino Acid reagent (Subcategory: N-Me AA) sold by WuXi TIDES. Offered in 10 g. Store at 4 °C. SDS available for reference.

Specifications
- CAS: 145615-72-1
- MDL: No data
- InChIKey: CWDITQNWNTYNAJ-FQEVSTJZSA-N
- Molecular Weight: 365.429
- Molecular Formula: C22H23NO4
- Purity: ≥95%
- Container Type: 60 mL HDPE
- Pack Size: 10 g
- Net Weight: 10 g
- Gross Weight: 25 g
- Commodity Code: 29242970
- Country Of Origin: China
- IUPAC: (S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)(methyl)amino)-4-methylpent-4-enoic acid
- SMILES: C=C(C[C@@H](C(O)=O)N(C)C(OCC1C2=CC=CC=C2C3=CC=CC=C13)=O)C

Pricing & Availability

5,959

STA PHARMACEUTICAL US LLC Boc-L-Thr(Fmoc-L-Leu)-OH | 50 g | CAS 944283-26-5 | MDL MFCD11974991

Boc-L-Thr(Fmoc-L-Leu)-OH is a Amino Acid reagent (Subcategory: Pseudo AA) sold by WuXi TIDES. Offered in 50 g. Store at 4 °C. SDS available for reference.

Specifications
- CAS: 944283-26-5
- MDL: MFCD11974991
- InChIKey: RRBJZTPVMBBJNT-YWWLGCSWSA-N
- Molecular Weight: 554.64
- Molecular Formula: C30H38N2O8
- 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: O-((((9H-fluoren-9-yl)methoxy)carbonyl)-L-leucyl)-N-(tert-butoxycarbonyl)-L-threonine
- SMILES: CC(C[C@H](NC(OCC1C2=C(C3=C1C=CC=C3)C=CC=C2)=O)C(O[C@@H]([C@H](NC(OC(C)(C)C)=O)C(O)=O)C)=O)C

Pricing & Availability

5,960

STA PHARMACEUTICAL US LLC Fmoc-L-Leu-L-Ser[PSI(Me,Me)Pro]-OH | 100 g | CAS 339531-50-9 | MDL MFCD03490501

Fmoc-L-Leu-L-Ser[PSI(Me,Me)Pro]-OH is a Amino Acid reagent (Subcategory: Pseudo AA) sold by WuXi TIDES. Offered in 100 g. Store at 4 °C. SDS available for reference.

Specifications
- CAS: 339531-50-9
- MDL: MFCD03490501
- InChIKey: BUYLKVIICSUHDX-GOTSBHOMSA-N
- Molecular Weight: 480.561
- Molecular Formula: C27H32N2O6
- Purity: ≥95%
- Container Type: 500 mL HDPE
- Pack Size: 100 g
- Net Weight: 100 g
- Gross Weight: 160.5 g
- Commodity Code: 29349990
- Country Of Origin: China
- IUPAC: (S)-3-((((9H-fluoren-9-yl)methoxy)carbonyl)-L-leucyl)-2,2-dimethyloxazolidine-4-carboxylic acid
- SMILES: CC(C)C[C@@H](C(N1[C@@H](COC1(C)C)C(O)=O)=O)NC(OCC2C3=CC=CC=C3C4=CC=CC=C42)=O

Pricing & Availability

5,961

Medchemexpress LLC L-leucyl-l-leucine methyl ester hydrobromide (LLOMe hydrobromide) | 16689-14-8 | 99.7% | 50 MG

L-Leucyl-L-Leucine methyl ester (LLOMe) hydrobromide is a dipeptide condensation product of L-leucine methyl ester, generated by human monocytes or polymorphonuclear leukocytes. It selectively eliminates lymphocytes with cytotoxic potential and can also induce endolysosomal pathway stress. This product is for research use only.

Dipeptide condensation product of L-leucine methyl ester
Generated by human monocytes or polymorphonuclear leukocytes
Selectively eliminates lymphocytes with cytotoxic potential
Can induce endolysosomal pathway stress
Enhances LRRK2-mediated Rab10 and Rab12 phosphorylation in MEFs and A549 cells
Converted to a CCI3COOH-insoluble product by CD4- lymphocytes

Pricing & Availability

5,962

Medchemexpress LLC Glycyl-L-leucine | 869-19-2 | MFCD00008127 | 99.5% | 188.22 g/mol | C8H16N2O3 | 5 G

Glycyl-L-leucine is a dipeptide composed of glycine and L-leucine used as a biochemical reagent and as a substrate in enzymatic assays. It is supplied at high purity for research applications and is suitable as an analytical standard or reagent for studying peptide metabolism.

High purity (reported ~99.5%) suitable for analytical use.
Serves as a substrate for glycyl-leucine dipeptidase assays.
Molecular weight 188.22 g/mol; CAS 869-19-2.
Available in multiple pack sizes for research needs.
Soluble in water for convenient preparation of solutions.

Pricing & Availability

5,963

STA PHARMACEUTICAL US LLC Fmoc-D-hLeu-OH | 100 g | CAS 204320-60-5 | MDL MFCD00270205

Fmoc-D-hLeu-OH is a Amino Acid reagent (Subcategory: Homo-natural AA) sold by WuXi TIDES. Offered in 100 g. Store at 4 °C. SDS available for reference.

Specifications
- CAS: 204320-60-5
- MDL: MFCD00270205
- InChIKey: UJOQOPBFLFQOJJ-HXUWFJFHSA-N
- Molecular Weight: 367.445
- Molecular Formula: C22H25NO4
- Purity: ≥95%
- Container Type: 500 mL HDPE
- Pack Size: 100 g
- Net Weight: 100 g
- Gross Weight: 160.5 g
- Commodity Code: 29242970
- Country Of Origin: China
- IUPAC: (R)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-5-methylhexanoic acid
- SMILES: CC(CC[C@@H](NC(OCC1C2=C(C3=C1C=CC=C3)C=CC=C2)=O)C(O)=O)C

Pricing & Availability

5,964

Medchemexpress LLC N-(fluoren-9-ylmethoxycarbonyl)-L-leucine | 35661-60-0 | MFCD00037133 | 99.9% | 353.42 g/mol | C21H23NO4 | 100 G

Fmoc-leucine is the fluorenylmethyloxycarbonyl (Fmoc)-protected derivative of L-leucine used as a building block in Fmoc solid-phase peptide synthesis and as a research reagent in peptide chemistry. It is supplied as a high-purity solid suitable for peptide assembly, analytical methods, and other biochemical applications.

Used as a protected amino acid in Fmoc solid-phase peptide synthesis.
High chemical purity appropriate for research and analytical use.
Solid powder form with defined storage recommendations for stability.
Available in multiple pack sizes for laboratory scale needs.

Pricing & Availability

5,965

Biolegend APC anti-human CD62L [DREG-56]; Isotype: Mouse IgG1, κ; Reactivity: Human; Apps: FC; Size: 500 uL

APC anti-human CD62L [DREG-56]; Isotype: Mouse IgG1, κ; Reactivity: Human; Apps: FC; Size: 500 uL

Pricing & Availability

5,966

Apexbio Technology LLC Boc-N-Me-Leu-OH 53363-89-6 25g

Boc-N-Me-Leu-OH (53363-89-6) is an N-methylated leucine derivative containing a tert-butoxycarbonyl (Boc) protecting group It is employed in peptide synthesis to modify peptide secondary structure and explore structural constraints in peptide systems Based on these properties Boc-N-Me-Leu-OH holds research potential in investigating biomolecular interactions enzyme substrate specificity receptor binding affinity and in the preparation of peptides for studying conformation-dependent activity toward proteins enzymes and receptors

Pricing & Availability

5,967

eMolecules 117903-25-0 | Boc-N-methyl-L-norleucine | Acrotein ChemBio Inc. | MFCD00153391 | 245.319 | C12H23NO4 | 97.000 | CCCC[C@H](N(C)C(=O)OC(C)(C)C)C(O)=O | 5g | 487521461

Boc-N-methyl-L-norleucine | Acrotein ChemBio Inc. | 117903-25-0 | MFCD00153391 | 245.319 | C12H23NO4 | 97.000 | CCCC[C@H](N(C)C(=O)OC(C)(C)C)C(O)=O | 5g | 487521461

Pricing & Availability

5,968

eMolecules 1188-21-2 | N-Acetyl-L-leucine | Apollo Scientific US - Building Blocks | MFCD00065131 | 173.212 | C8H15NO3 | 95.000 | CC(C)C[C@H](NC(C)=O)C(O)=O | 25g | 398006422

N-Acetyl-L-leucine | Apollo Scientific US - Building Blocks | 1188-21-2 | MFCD00065131 | 173.212 | C8H15NO3 | 95.000 | CC(C)C[C@H](NC(C)=O)C(O)=O | 25g | 398006422

Pricing & Availability

5,969

Medchemexpress LLC Fmoc-leucine-13C6,15N | 1163133-36-5 | MFCD06798058 | 99.9% | 360.36 g/mol | C21H23NO4 | 5 MG

Fmoc-leucine-13C6,15N is a stable isotope-labeled N-Fmoc L-leucine supplied as a high-purity solid for analytical and synthetic workflows. It is used as an internal standard, tracer, and building block in mass spectrometry, peptide synthesis, and metabolic labeling studies, enabling accurate quantitation and clear isotopic distinction in complex samples.

Stable isotope-labeled with 13C6 and 15N for unambiguous tracing.
High purity (≈99.9%) suitable for analytical applications.
Optimized for use as an internal standard in LC-MS/MS quantitation.
Solid powder form compatible with solid-phase peptide synthesis.
CAS number provided for precise chemical identification.

Pricing & Availability

5,970

Cambridge Isotope Laboratories L-Leucine (5 5 5-D3 99%) 0 25 g

L-Leucine (5 5 5-D3 99%) 0 25 g

Pricing & Availability

Amino Acids

Filtered Search Results

Narrow Results

Medchemexpress LLC L-leucyl-l-leucine methyl ester hydrobromide (LLOMe hydrobromide) | 16689-14-8 | 99.7% | 50 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Glycyl-L-leucine | 869-19-2 | MFCD00008127 | 99.5% | 188.22 g/mol | C8H16N2O3 | 5 G Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC N-(fluoren-9-ylmethoxycarbonyl)-L-leucine | 35661-60-0 | MFCD00037133 | 99.9% | 353.42 g/mol | C21H23NO4 | 100 G Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Apexbio Technology LLC Boc-N-Me-Leu-OH 53363-89-6 25g Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Fmoc-leucine-13C6,15N | 1163133-36-5 | MFCD06798058 | 99.9% | 360.36 g/mol | C21H23NO4 | 5 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC L-leucyl-l-leucine methyl ester hydrobromide (LLOMe hydrobromide) | 16689-14-8 | 99.7% | 50 MG

Medchemexpress LLC Glycyl-L-leucine | 869-19-2 | MFCD00008127 | 99.5% | 188.22 g/mol | C8H16N2O3 | 5 G

Medchemexpress LLC N-(fluoren-9-ylmethoxycarbonyl)-L-leucine | 35661-60-0 | MFCD00037133 | 99.9% | 353.42 g/mol | C21H23NO4 | 100 G

Apexbio Technology LLC Boc-N-Me-Leu-OH 53363-89-6 25g

Medchemexpress LLC Fmoc-leucine-13C6,15N | 1163133-36-5 | MFCD06798058 | 99.9% | 360.36 g/mol | C21H23NO4 | 5 MG