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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4,696 – 4,710 of 35,791 results

4,696

Medchemexpress LLC Methionine sulfoximine (2-amino-4-(S-methylsulfonimidoyl)butanoic acid) | 1982-67-8 | MFCD00002621 | 99.6% | 180.23 g/mol | C5H12N2O3S | 5 MG

Methionine sulfoximine is a small-molecule biochemical reagent and an irreversible inhibitor of glutamine synthetase. It modulates glutamate and glutamine metabolism and is used in neurobiological research, including studies of seizure mechanisms and glutamine-dependent pathways. Supplied as a high-purity solid suitable for laboratory research applications.

Irreversible inhibitor of glutamine synthetase.
Modulates glutamate and glutamine metabolism.
Used in neurobiology and seizure-related research.
Supplied as a high-purity reagent suitable for analytical and experimental use.
Available in small milligram- and gram-scale pack sizes for laboratory workflows.

Pricing & Availability

4,697

STA Pharmaceutical Fmoc-N-Me-L-Met-OH | 5 g | CAS 84000-12-4 | MDL MFCD18782827

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

Specifications
- CAS: 84000-12-4
- MDL: MFCD18782827
- InChIKey: SPYUJXKMEJUAOI-IBGZPJMESA-N
- Molecular Weight: 385.478
- Molecular Formula: C21H23NO4S
- Purity: ≥95%
- Container Type: 30 mL HDPE
- Pack Size: 5 g
- Net Weight: 5 g
- Gross Weight: 16.5 g
- Commodity Code: 29309095
- Country Of Origin: China
- IUPAC: N-(((9H-fluoren-9-yl)methoxy)carbonyl)-N-methyl-L-methionine
- SMILES: CN(C(OCC1C2=CC=CC=C2C3=CC=CC=C31)=O)[C@H](C(O)=O)CCSC

Pricing & Availability

4,698

STA Pharmaceutical Fmoc-D-methionine sulfone | 25 g | CAS 1247791-23-6 | MDL MFCD06796896

Fmoc-D-methionine sulfone is a Amino Acid reagent (Subcategory: Met) sold by WuXi TIDES. Offered in 25 g. Store at 4 °C. SDS available for reference.

Specifications
- CAS: 1247791-23-6
- MDL: MFCD06796896
- InChIKey: KJLKPACOHZKRFM-GOSISDBHSA-N
- Molecular Weight: 403.449
- Molecular Formula: C20H21NO6S
- Purity: ≥95%
- Container Type: 125 mL HDPE
- Pack Size: 25 g
- Net Weight: 25 g
- Gross Weight: 54.3 g
- Commodity Code: 29309095
- Country Of Origin: China
- IUPAC: (R)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-4-(methylsulfonyl)butanoic acid
- SMILES: CS(=O)(CC[C@H](C(O)=O)NC(OCC1C2=CC=CC=C2C3=CC=CC=C31)=O)=O

Pricing & Availability

4,699

Medchemexpress LLC Z-DL-Met-OH | 4434-61-1 | 283.34 | 25 G

Z-DL-Met-OH is a Methionine derivative. This solid, white to off-white compound is intended for research use only. Amino acids and their derivatives, like Z-DL-Met-OH, are utilized as ergogenic supplements. They play a role in influencing the secretion of anabolic hormones, supplying fuel during exercise, enhancing mental performance in stressful tasks, and preventing exercise-induced muscle damage.

Methionine derivative
Influences secretion of anabolic hormones
Supplies fuel during exercise
Enhances mental performance during stressful tasks
Prevents exercise-induced muscle damage
Recognized as a beneficial ergogenic dietary substance
Store at room temperature for 3 years
In solvent, store at -80°C for 2 years or -20°C for 1 year

Pricing & Availability

4,700

Alkali Scientific L Methionine, 100 Grams

L Methionine, 100g, is a sulfur-containing amino acid used in biochemical research, pharmaceutical formulations, and nutritional studies. Methionine plays a key role in protein synthesis, cell function, and the production of other amino acids and important molecules, including S-adenosylmethionine (SAMe). It is widely used in the preparation of media for cell cultures, enzymes, and metabolic studies. The 100g package is perfect for smaller research projects, laboratory applications, or studies in areas such as antioxidants, liver function, and cardiovascular health. Methionine is often used as a precursor in the synthesis of various biomolecules in both research and clinical settings.

Pricing & Availability

4,701

STA Pharmaceutical Fmoc-L-hCys(Acm)-OH | 50 g | CAS 150281-21-3 | MDL MFCD03788052

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

Specifications
- CAS: 150281-21-3
- MDL: MFCD03788052
- InChIKey: LKXJXPIRDOELQS-FQEVSTJZSA-N
- Molecular Weight: 428.503
- Molecular Formula: C22H24N2O5S
- Purity: ≥95%
- Container Type: 250 mL HDPE
- Pack Size: 50 g
- Net Weight: 50 g
- Gross Weight: 89.8 g
- Commodity Code: 29309095
- Country Of Origin: China
- IUPAC: N-(((9H-fluoren-9-yl)methoxy)carbonyl)-S-(acetamidomethyl)-L-homocysteine
- SMILES: CC(NCSCC[C@@H](C(O)=O)NC(OCC1C2=CC=CC=C2C3=CC=CC=C31)=O)=O

Pricing & Availability

4,702

eMolecules 112883-40-6 | Fmoc-D-Met-OH | Ambeed371.450 | C20H21NO4S | 98.000 | CSCC[C@@H](NC(=O)OCC1c2ccccc2-c2ccccc12)C(O)=O | 5g | 552695289

Fmoc-D-Met-OH | Ambeed | 112883-40-6371.450 | C20H21NO4S | 98.000 | CSCC[C@@H](NC(=O)OCC1c2ccccc2-c2ccccc12)C(O)=O | 5g | 552695289

Pricing & Availability

4,703

STA Pharmaceutical Fmoc-D-methionine sulfone | 1 g | CAS 1247791-23-6 | MDL MFCD06796896

Fmoc-D-methionine sulfone is a Amino Acid reagent (Subcategory: Met) sold by WuXi TIDES. Offered in 1 g. Store at 4 °C. SDS available for reference.

Specifications
- CAS: 1247791-23-6
- MDL: MFCD06796896
- InChIKey: KJLKPACOHZKRFM-GOSISDBHSA-N
- Molecular Weight: 403.449
- Molecular Formula: C20H21NO6S
- Purity: ≥95%
- Container Type: 15 mL HDPE
- Pack Size: 1 g
- Net Weight: 1 g
- Gross Weight: 7.8 g
- Commodity Code: 29309095
- Country Of Origin: China
- IUPAC: (R)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-4-(methylsulfonyl)butanoic acid
- SMILES: CS(=O)(CC[C@H](C(O)=O)NC(OCC1C2=CC=CC=C2C3=CC=CC=C31)=O)=O

Pricing & Availability

4,704

STA Pharmaceutical Fmoc-D-alpha-Me-Met-OH | 1 g | CAS 1353021-07-4 | InChIKey XVPHAVLGYDEOAF-OAQYLSRUSA-N

Fmoc-D-alpha-Me-Met-OH is a Amino Acid reagent (Subcategory: Alpha-alkylated) sold by WuXi TIDES. Offered in 1 g. Store at 4 °C. SDS available for reference.

Specifications
- CAS: 1353021-07-4
- MDL: No data
- InChIKey: XVPHAVLGYDEOAF-OAQYLSRUSA-N
- Molecular Weight: 385.478
- Molecular Formula: C21H23NO4S
- Purity: ≥95%
- Container Type: 15 mL HDPE
- Pack Size: 1 g
- Net Weight: 1 g
- Gross Weight: 7.8 g
- Commodity Code: 29309095
- Country Of Origin: China
- IUPAC: (R)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-2-methyl-4-(methylthio)butanoic acid
- SMILES: CSCC[C@@](NC(OCC1C2=C(C3=C1C=CC=C3)C=CC=C2)=O)(C(O)=O)C

Pricing & Availability

4,705

STA Pharmaceutical Fmoc-L-Met(CF3)-OH | 5 g | CAS 928654-78-8 | MDL MFCD31380713

Fmoc-L-Met(CF3)-OH is a Amino Acid reagent (Subcategory: Met) sold by WuXi TIDES. Offered in 5 g. Store at 4 °C. SDS available for reference.

Specifications
- CAS: 928654-78-8
- MDL: MFCD31380713
- InChIKey: LIAUMRLXZBQOAJ-KRWDZBQOSA-N
- Molecular Weight: 425.422
- Molecular Formula: C20H18F3NO4S
- Purity: ≥95%
- Container Type: 30 mL HDPE
- Pack Size: 5 g
- Net Weight: 5 g
- Gross Weight: 16.5 g
- Commodity Code: 29309095
- Country Of Origin: China
- IUPAC: N-(((9H-fluoren-9-yl)methoxy)carbonyl)-S-(trifluoromethyl)-L-homocysteine
- SMILES: OC([C@@H](NC(OCC1C2=CC=CC=C2C3=CC=CC=C13)=O)CCSC(F)(F)F)=O

Pricing & Availability

4,706

STA Pharmaceutical Fmoc-D-methionine sulfone | 5 g | CAS 1247791-23-6 | MDL MFCD06796896

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

Specifications
- CAS: 1247791-23-6
- MDL: MFCD06796896
- InChIKey: KJLKPACOHZKRFM-GOSISDBHSA-N
- Molecular Weight: 403.449
- Molecular Formula: C20H21NO6S
- Purity: ≥95%
- Container Type: 30 mL HDPE
- Pack Size: 5 g
- Net Weight: 5 g
- Gross Weight: 16.5 g
- Commodity Code: 29309095
- Country Of Origin: China
- IUPAC: (R)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-4-(methylsulfonyl)butanoic acid
- SMILES: CS(=O)(CC[C@H](C(O)=O)NC(OCC1C2=CC=CC=C2C3=CC=CC=C31)=O)=O

Pricing & Availability

4,707

STA Pharmaceutical Fmoc-D-Met(O2)-OH | 10 g | CAS 163437-14-7 | MDL MFCD00153361

Fmoc-D-Met(O2)-OH is a Amino Acid reagent (Subcategory: Met) sold by WuXi TIDES. Offered in 10 g. Store at 4 °C. SDS available for reference.

Specifications
- CAS: 163437-14-7
- MDL: MFCD00153361
- InChIKey: KJLKPACOHZKRFM-SFHVURJKSA-N
- Molecular Weight: 403.449
- Molecular Formula: C20H21NO6S
- Purity: ≥95%
- Container Type: 60 mL HDPE
- Pack Size: 10 g
- Net Weight: 10 g
- Gross Weight: 25 g
- Commodity Code: 29309095
- Country Of Origin: China
- IUPAC: (S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-4-(methylsulfonyl)butanoic acid
- SMILES: CS(=O)(CC[C@@H](C(O)=O)NC(OCC1C2=CC=CC=C2C3=CC=CC=C31)=O)=O

Pricing & Availability

4,708

STA Pharmaceutical Fmoc-L-beta-HomoMet-OH | 5 g | CAS 266359-48-2 | MDL MFCD01862844

Fmoc-L-beta-HomoMet-OH 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: 266359-48-2
- MDL: MFCD01862844
- InChIKey: XYWOGXWKXWWADY-AWEZNQCLSA-N
- Molecular Weight: 385.478
- Molecular Formula: C21H23NO4S
- Purity: ≥95%
- Container Type: 30 mL HDPE
- Pack Size: 5 g
- Net Weight: 5 g
- Gross Weight: 16.5 g
- Commodity Code: 29309095
- Country Of Origin: China
- IUPAC: (R)-3-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-5-(methylthio)pentanoic acid
- SMILES: CSCC[C@@H](CC(O)=O)NC(OCC1C2=CC=CC=C2C3=CC=CC=C31)=O

Pricing & Availability

4,709

Medchemexpress LLC D-Methionine, S-oxide | 21056-56-4 | 98.7% | 1 ML

D-methionine sulfoxide is the D-isomer of Methionine sulfoxide, an oxidation product of methionine. Methionine is the limiting amino acid in milk or leguminous proteins, which is easily oxidized during storage or processing. This product, appearing as a white to off-white solid, has a molecular weight of 165.21 and a chemical formula of C5H11NO3S. It is intended for research use only.

Purity of 98.74%
Solid appearance
White to off-white color
Molecular weight of 165.21
Chemical formula C5H11NO3S
Endogenous metabolite

Pricing & Availability

4,710

Medchemexpress LLC L-methionine p-nitroanilide | 6042-04-2 | MFCD00063424 | >98.0% | 269.32 g/mol | C11H15N3O3S | 5 G

L-methionine p-nitroanilide is an L-methionine derivative used as an amino-acid substrate in biochemical and enzymatic assays. It is provided as a light yellow solid intended for research use and requires low-temperature, light-protected storage to maintain stability.

Used as a substrate in enzyme assays and analytical applications.
Light yellow to yellow solid physical form.
Molecular weight 269.32 g/mol; chemical formula C11H15N3O3S.
CAS number 6042-04-2 for unambiguous identification.
Purity reported as ≥98% (TLC) by third-party suppliers.
Store at -20°C and protect from light; in solvent: -80°C for 6 months, -20°C for 1 month.

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Amino Acids

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Medchemexpress LLC Methionine sulfoximine (2-amino-4-(S-methylsulfonimidoyl)butanoic acid) | 1982-67-8 | MFCD00002621 | 99.6% | 180.23 g/mol | C5H12N2O3S | 5 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Z-DL-Met-OH | 4434-61-1 | 283.34 | 25 G Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC D-Methionine, S-oxide | 21056-56-4 | 98.7% | 1 ML Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC L-methionine p-nitroanilide | 6042-04-2 | MFCD00063424 | >98.0% | 269.32 g/mol | C11H15N3O3S | 5 G Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Methionine sulfoximine (2-amino-4-(S-methylsulfonimidoyl)butanoic acid) | 1982-67-8 | MFCD00002621 | 99.6% | 180.23 g/mol | C5H12N2O3S | 5 MG

Medchemexpress LLC Z-DL-Met-OH | 4434-61-1 | 283.34 | 25 G

Medchemexpress LLC D-Methionine, S-oxide | 21056-56-4 | 98.7% | 1 ML

Medchemexpress LLC L-methionine p-nitroanilide | 6042-04-2 | MFCD00063424 | >98.0% | 269.32 g/mol | C11H15N3O3S | 5 G