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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2,986 – 3,000 of 36,146 results

2,986

Medchemexpress LLC D-ornithine, N5-(aminocarbonyl)- | 13594-51-9 | MFCD00216469 | 98.0% | 175.19 | C6H13N3O3 | 10 G

D-Citrulline is the D-stereoisomer of the amino acid citrulline supplied as a research-grade powder for biochemical and metabolic studies. It is used as an endogenous metabolite probe in investigations of arginine-citrulline metabolism and nitric oxide pathways, and is provided with documented purity and storage recommendations.

Pricing & Availability

2,987

eMolecules 84793-07-7 | FMOC-GLU-OTBU | AstaTech | MFCD00065648 | 425.481 | C24H27NO6 | 95.000 | CC(C)(C)OC(=O)[C@H](CCC(O)=O)NC(=O)OCC1c2ccccc2-c2ccccc12 | 100g | 233624073

FMOC-GLU-OTBU | AstaTech | 84793-07-7 | MFCD00065648 | 425.481 | C24H27NO6 | 95.000 | CC(C)(C)OC(=O)[C@H](CCC(O)=O)NC(=O)OCC1c2ccccc2-c2ccccc12 | 100g | 233624073

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2,988

Medchemexpress LLC H-DL-Glu Ome -OH 25g

H-DL-Glu(Ome)-OH is a glutamic acid derivative[1]

Pricing & Availability

2,989

eMolecules 72086-72-7 | Boc-Glu-OMe | Ochem Incorporation | MFCD00076931 | 261.274 | C11H19NO6 | 98.000 | COC(=O)[C@H](CCC(O)=O)NC(=O)OC(C)(C)C | 1g | 773126396

Boc-Glu-OMe | Ochem Incorporation | 72086-72-7 | MFCD00076931 | 261.274 | C11H19NO6 | 98.000 | COC(=O)[C@H](CCC(O)=O)NC(=O)OC(C)(C)C | 1g | 773126396

Pricing & Availability

2,990

Medchemexpress LLC N-(((9H-Fluoren-9-yl)methoxy)carbonyl)-S-(4-(tert-butoxy)-4-oxobutyl)-L-cysteine | 102971-73-3 | MFCD11226818 | 98.7% | 485.59 g/mol | C26H31NO6S | 250 MG

N-(((9H-Fluoren-9-yl)methoxy)carbonyl)-S-(4-(tert-butoxy)-4-oxobutyl)-L-cysteine is an Fmoc-protected L-cysteine derivative used as a protected amino acid building block for peptide synthesis and related research applications. It is supplied as a high-purity powder with defined molecular properties for laboratory use.

Fmoc-protected amino acid suitable for peptide synthesis.
High purity (98.7%) for research applications.
Molecular formula C26H31NO6S and molecular weight 485.59 g/mol.
Available in multiple sizes, including 250 mg, 100 mg, 1 g, 5 g, and 10 g.
Powder storage: -20°C (up to 3 years) or 4°C (up to 2 years); in solvent: -80°C (6 months) or -20°C (1 month).
For research use only; not for human or clinical use.

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2,991

STA PHARMACEUTICAL US LLC Fmoc-(S)-3-Amino-3-(2-nitrophenyl)-propionic acid | 25 g | CAS 507472-25-5 | MDL MFCD03428007

Fmoc-(S)-3-Amino-3-(2-nitrophenyl)-propionic acid 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: 507472-25-5
- MDL: MFCD03428007
- InChIKey: DRESTDPDCGPKNI-NRFANRHFSA-N
- Molecular Weight: 432.432
- Molecular Formula: C24H20N2O6
- 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: (S)-3-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(2-nitrophenyl)propanoic acid
- SMILES: O=C(C[C@H](NC(OCC1C2=CC=CC=C2C3=CC=CC=C31)=O)C4=CC=CC=C4[N+]([O-])=O)O

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2,992

STA PHARMACEUTICAL US LLC Fmoc-(S)-2-Tetrahydroisoquinoline acetic acid | 10 g | CAS 270062-99-2 | MDL MFCD01861032

Fmoc-(S)-2-Tetrahydroisoquinoline acetic acid is a Amino Acid reagent (Subcategory: Unusual AA) sold by WuXi TIDES. Offered in 10 g. Store at 4 °C. SDS available for reference.

Specifications
- CAS: 270062-99-2
- MDL: MFCD01861032
- InChIKey: ZYNHEOMLCMDTDW-IBGZPJMESA-N
- Molecular Weight: 413.473
- Molecular Formula: C26H23NO4
- Purity: ≥95%
- Container Type: 60 mL HDPE
- Pack Size: 10 g
- Net Weight: 10 g
- Gross Weight: 25 g
- Commodity Code: 29334990
- Country Of Origin: China
- IUPAC: (S)-2-(2-(((9H-fluoren-9-yl)methoxy)carbonyl)-1,2,3,4-tetrahydroisoquinolin-3-yl)acetic acid
- SMILES: O=C(O)C[C@H]1N(C(OCC2C3=CC=CC=C3C4=CC=CC=C42)=O)CC5=CC=CC=C5C1

Pricing & Availability

2,993

STA PHARMACEUTICAL US LLC Fmoc-4-Trifluoromethyl-L-beta-phenylalanine | 100 g | CAS 507472-21-1 | MDL MFCD03428003

Fmoc-4-Trifluoromethyl-L-beta-phenylalanine is a Amino Acid reagent (Subcategory: Beta AA) sold by WuXi TIDES. Offered in 100 g. Store at 4 °C. SDS available for reference.

Specifications
- CAS: 507472-21-1
- MDL: MFCD03428003
- InChIKey: CUOIPSCYWJDJNE-QFIPXVFZSA-N
- Molecular Weight: 455.433
- Molecular Formula: C25H20F3NO4
- 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: (S)-3-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(4-(trifluoromethyl)phenyl)propanoic acid
- SMILES: O=C(C[C@H](NC(OCC1C2=CC=CC=C2C3=CC=CC=C31)=O)C4=CC=C(C=C4)C(F)(F)F)O

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2,994

STA PHARMACEUTICAL US LLC Fmoc-(2-aminomethyl) benzoic acid | 25 g | CAS 219640-94-5 | MDL MFCD11226785

Fmoc-(2-aminomethyl) benzoic acid is a Amino Acid reagent (Subcategory: Aryl AA) sold by WuXi TIDES. Offered in 25 g. Store at 4 °C. SDS available for reference.

Specifications
- CAS: 219640-94-5
- MDL: MFCD11226785
- InChIKey: ZPHFVZKLOMMGCU-UHFFFAOYSA-N
- Molecular Weight: 373.408
- Molecular Formula: C23H19NO4
- 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: 2-(((((9H-fluoren-9-yl)methoxy)carbonyl)amino)methyl)benzoic acid
- SMILES: O=C(NCC1=CC=CC=C1C(O)=O)OCC2C3=CC=CC=C3C4=CC=CC=C42

Pricing & Availability

2,995

STA PHARMACEUTICAL US LLC 1-(Fmoc)-4-Cbz-piperazine-2-carboxylic acid | 1 g | CAS 149518-51-4 | InChIKey IATOJRLPKGBMMC-UHFFFAOYSA-N

1-(Fmoc)-4-Cbz-piperazine-2-carboxylic acid is a Amino Acid reagent (Subcategory: Unusual AA) sold by WuXi TIDES. Offered in 1 g. Store at 4 °C. SDS available for reference.

Specifications
- CAS: 149518-51-4
- MDL: No data
- InChIKey: IATOJRLPKGBMMC-UHFFFAOYSA-N
- Molecular Weight: 486.524
- Molecular Formula: C28H26N2O6
- Purity: ≥95%
- Container Type: 15 mL HDPE
- Pack Size: 1 g
- Net Weight: 1 g
- Gross Weight: 7.8 g
- Commodity Code: 29335995
- Country Of Origin: China
- IUPAC: 1-(((9H-fluoren-9-yl)methoxy)carbonyl)-4-((benzyloxy)carbonyl)piperazine-2-carboxylic acid
- SMILES: OC(C1CN(C(OCC2=CC=CC=C2)=O)CCN1C(OCC3C4=CC=CC=C4C5=C3C=CC=C5)=O)=O

Pricing & Availability

2,996

Medchemexpress LLC B-D-glucopyranosiduronic acid derivative, Fmoc-protected methyl ester, 2,3,4-triacetate | 894096-02-7 | 98.8% | 748.73 g·mol^-1 | C38H40N2O14 | 50 MG

Me-triacetyl-β-D-glucopyranuronate-Ph-CH2OH-Fmoc is a glycosylated, cleavable linker intermediate used in the synthesis of antibody-drug conjugates (ADCs). It provides a protected glucuronic acid moiety with an Fmoc-protected aminopropionyl spacer for selective conjugation and stability during synthetic workflows.

Cleavable glycosidic linker for ADC synthesis.
High purity (assay 98.8%).
Molecular formula C38H40N2O14, molecular weight 748.73 g·mol^-1.
Available in small-scale quantities suitable for synthesis (for example, 50 MG).
Supplied with certificate of analysis for batch verification.

Pricing & Availability

2,997

STA PHARMACEUTICAL US LLC Fmoc-L-Glu(tBu)-L-Ser[PSI(Me,Me)Pro]-OH | 10 g | CAS 909115-33-9 | MDL MFCD18427719

Fmoc-L-Glu(tBu)-L-Ser[PSI(Me,Me)Pro]-OH is a Amino Acid reagent (Subcategory: Pseudo AA) sold by WuXi TIDES. Offered in 10 g. Store at 4 °C. SDS available for reference.

Specifications
- CAS: 909115-33-9
- MDL: MFCD18427719
- InChIKey: DSGXIRQTDFOKPQ-ZEQRLZLVSA-N
- Molecular Weight: 552.624
- Molecular Formula: C30H36N2O8
- Purity: ≥95%
- Container Type: 60 mL HDPE
- Pack Size: 10 g
- Net Weight: 10 g
- Gross Weight: 25 g
- Commodity Code: 29349990
- Country Of Origin: China
- IUPAC: (S)-3-((S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-5-(tert-butoxy)-5-oxopentanoyl)-2,2-dimethyloxazolidine-4-carboxylic acid
- SMILES: CC(OC(CC[C@@H](C(N1[C@@H](COC1(C)C)C(O)=O)=O)NC(OCC2C3=CC=CC=C3C4=CC=CC=C42)=O)=O)(C)C

Pricing & Availability

2,998

Medchemexpress LLC H-Glu(OtBu)-OtBu hydrochloride | 32677-01-3 | 98.0% | 295.80 | 500 G

H-Glu(OtBu)-OtBu hydrochloride is a key intermediate utilized in the synthesis of prostate-specific membrane antigen (PSMA) targeting probes. This compound has the ability to reduce nonspecific background binding through negatively charged linkers, thereby improving tumor/background contrast. It is also applicable in prostate cancer PET/SPECT imaging studies.

Key intermediate in PSMA targeting probe synthesis.
Reduces nonspecific background binding.
Improves tumor/background contrast.
Applicable in prostate cancer PET/SPECT imaging studies.
Can be used to synthesize PSMA probe 5 for tumor imaging.

Pricing & Availability

2,999

Medchemexpress LLC Glycine, N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-α-glutamyl-, 1-(1,1-dimethylethyl) ester | 866044-63-5 | MFCD30475796 | ≥98.0% | 482.53 g/mol | C26H30N2O7 | 5g

Fmoc-Glu(Otbu)-Gly-OH is a biochemical reagent that can be used as a biological material or organic compound for life science related research

Pricing & Availability

3,000

STA PHARMACEUTICAL US LLC (S)-Fmoc-2-Amino-6-tert-butoxy-5-(tert-butoxycarbonyl)-6-Oxohexanoic Acid | 5 g | CAS 912354-06-4 | MDL MFCD18782832

(S)-Fmoc-2-Amino-6-tert-butoxy-5-(tert-butoxycarbonyl)-6-Oxohexanoic Acid is a Amino Acid reagent (Subcategory: Glu) sold by WuXi TIDES. Offered in 5 g. Store at 4 °C. SDS available for reference.

Specifications
- CAS: 912354-06-4
- MDL: MFCD18782832
- InChIKey: AVJAHYACUFCSKY-DEOSSOPVSA-N
- Molecular Weight: 539.625
- Molecular Formula: C30H37NO8
- Purity: ≥95%
- Container Type: 30 mL HDPE
- Pack Size: 5 g
- Net Weight: 5 g
- Gross Weight: 16.5 g
- Commodity Code: 29242970
- Country Of Origin: China
- IUPAC: (S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-6-(tert-butoxy)-5-(tert-butoxycarbonyl)-6-oxohexanoic acid
- SMILES: O=C([C@H](CCC(C(OC(C)(C)C)=O)C(OC(C)(C)C)=O)NC(OCC1C2=CC=CC=C2C3=CC=CC=C13)=O)O

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Amino Acids

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Medchemexpress LLC D-ornithine, N5-(aminocarbonyl)- | 13594-51-9 | MFCD00216469 | 98.0% | 175.19 | C6H13N3O3 | 10 G Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC H-DL-Glu Ome -OH 25g Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC N-(((9H-Fluoren-9-yl)methoxy)carbonyl)-S-(4-(tert-butoxy)-4-oxobutyl)-L-cysteine | 102971-73-3 | MFCD11226818 | 98.7% | 485.59 g/mol | C26H31NO6S | 250 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC B-D-glucopyranosiduronic acid derivative, Fmoc-protected methyl ester, 2,3,4-triacetate | 894096-02-7 | 98.8% | 748.73 g·mol^-1 | C38H40N2O14 | 50 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC H-Glu(OtBu)-OtBu hydrochloride | 32677-01-3 | 98.0% | 295.80 | 500 G Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC D-ornithine, N5-(aminocarbonyl)- | 13594-51-9 | MFCD00216469 | 98.0% | 175.19 | C6H13N3O3 | 10 G

Medchemexpress LLC H-DL-Glu Ome -OH 25g

Medchemexpress LLC N-(((9H-Fluoren-9-yl)methoxy)carbonyl)-S-(4-(tert-butoxy)-4-oxobutyl)-L-cysteine | 102971-73-3 | MFCD11226818 | 98.7% | 485.59 g/mol | C26H31NO6S | 250 MG

Medchemexpress LLC B-D-glucopyranosiduronic acid derivative, Fmoc-protected methyl ester, 2,3,4-triacetate | 894096-02-7 | 98.8% | 748.73 g·mol^-1 | C38H40N2O14 | 50 MG

Medchemexpress LLC H-Glu(OtBu)-OtBu hydrochloride | 32677-01-3 | 98.0% | 295.80 | 500 G