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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7,081 – 7,095 of 35,781 results

7,081

Medchemexpress LLC Fmoc-PEG4-NHS ester | 1314378-14-7 | 98.6% | 1 G

Fmoc-PEG4-NHS ester is a PEG-based linker that combines an Fmoc-protected amine with an N-hydroxysuccinimide (NHS) activated ester on a four-unit PEG spacer, enabling convenient conjugation to primary amines for bioconjugation and PROTAC synthesis.

Suitable for synthesis of PROTACs and other bioconjugates.
Contains an Fmoc-protected amine for orthogonal deprotection.
Features an NHS-activated ester for rapid amide bond formation with primary amines.
PEG4 spacer increases aqueous solubility and provides flexible separation between linked moieties.
Available in small-scale quantities with high reported purity for synthetic use.

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7,082

AdipoGen 5-FAM-X SE

Chemical. CAS 148356-00-7. Formula C31H26N2O10. MW 586.55. Synthetic. Amine-reactive fluorescent probe for introducing a fluorescein label at a nucleophilic residue of a target molecule. This fluorescein labeling reagent has an added X spacer to improve accessibility of the reactive group by nucleophiles in preparation of bioconjugates. The reactive N-hydroxysuccinimide NHS group can be used for easy attachment to proteins or amine containing nucleotides using simple procedures. Spectral properties lambdaex 490nm lambdaem 514nm in DMF pH 8.2 and lambdaex 491nm lambdaem 515nm in 0.1 M Tris pH 9.0.

Pricing & Availability

7,083

STA Pharmaceutical Fmoc-L-Dap(Mtt)-OH | 10 g | CAS 654670-89-0 | MDL MFCD02094097

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

Specifications
- CAS: 654670-89-0
- MDL: MFCD02094097
- InChIKey: WDZDBCVDBMWMAM-DHUJRADRSA-N
- Molecular Weight: 582.7
- Molecular Formula: C38H34N2O4
- 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)amino)-3-((diphenyl(p-tolyl)methyl)amino)propanoic acid
- SMILES: CC1=CC=C(C=C1)C(NC[C@@H](C(O)=O)NC(OCC2C3=CC=CC=C3C4=CC=CC=C42)=O)(C5=CC=CC=C5)C6=CC=CC=C6

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7,084

Medchemexpress LLC NH2-C6-NH-Boc | 51857-17-1 | 216.32 | 500 G

NH2-C6-NH-Boc is a PROTAC linker, characterized by its alkyl/ether composition. It is utilized in the synthesis of Mcl-1 inhibitors based on PROTAC technology. This product is for research use only.

PROTAC linker
Alkyl/ether composition
Used in synthesis of Mcl-1 inhibitors

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7,085

Medchemexpress LLC Phospho-Glutamate Receptor 1 (AMPA Subtype) (Ser845) Antibody (YA2081) | 100 UL

Phospho-Glutamate Receptor 1 (AMPA Subtype) (Ser845) Antibody is a rabbit-derived, non-conjugated IgG monoclonal antibody. This recombinant antibody specifically targets Phospho-Glutamate Receptor 1 (AMPA Subtype) (Ser845) and is intended for research use only. It shows endogenous sensitivity and reacts with human and rat species.

Immunogen: synthetic phosphopeptide corresponding to residues surrounding Ser845 of human AMPA Receptor 1 (GluA1)
Recombinant, monoclonal product
Formulation includes 50mM Tris-Glycine (pH 7.4), 0.15M NaCl, 40% Glycerol, 0.01% Sodium azide, and 0.05% BSA
Applications include Western Blot (WB) at a dilution ratio of 1:500-1:1000
Functions as a ligand-gated cation channel
Store at -20°C for 1 year; avoid repeated freeze/thaw cycles

Pricing & Availability

7,086

Medchemexpress LLC Animal-free G-CSF protein, human (His) | >95.0% | 2UG

Recombinant animal-free human granulocyte colony-stimulating factor (G-CSF) with an N-terminal 6xHis tag, expressed in E. coli and supplied lyophilized for cell-culture research applications.

Monomeric protein corresponding to amino acids T31-P204.
Predicted molecular mass 19.5 kDa; apparent ~21 kDa by SDS-PAGE.
Purity >95.0% as determined by reducing SDS-PAGE.
Endotoxin <0.1 EU per 1 μg (LAL method).
Lyophilized formulation in PBS, pH 7.4, with trehalose.
Store at -20°C; after reconstitution stable 4°C for 1 week, -20°C for longer (aliquot and freeze at -20°C or -80°C).
For cell culture use only.

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7,087

STA Pharmaceutical Fmoc-Asu(OtBu)-OH | 50 g | CAS 276869-41-1 | MDL MFCD00080269

Fmoc-Asu(OtBu)-OH 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: 276869-41-1
- MDL: MFCD00080269
- InChIKey: ULPCAXORIFXUMN-QHCPKHFHSA-N
- Molecular Weight: 467.562
- Molecular Formula: C27H33NO6
- 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)-8-(tert-butoxy)-8-oxooctanoic acid
- SMILES: CC(OC(CCCCC[C@@H](C(O)=O)NC(OCC1C2=CC=CC=C2C3=CC=CC=C31)=O)=O)(C)C

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7,088

STA Pharmaceutical Fmoc-L-Lys(Dansyl)-OH | 50 g | CAS 118584-90-0 | MDL MFCD00672343

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

Specifications
- CAS: 118584-90-0
- MDL: MFCD00672343
- InChIKey: SLBNIPMLSUPCFW-LJAQVGFWSA-N
- Molecular Weight: 601.718
- Molecular Formula: C33H35N3O6S
- Purity: ≥95%
- Container Type: 250 mL HDPE
- Pack Size: 50 g
- Net Weight: 50 g
- Gross Weight: 89.8 g
- Commodity Code: 29359090
- Country Of Origin: China
- IUPAC: N2-(((9H-fluoren-9-yl)methoxy)carbonyl)-N6-((5-(dimethylamino)naphthalen-1-yl)sulfonyl)-L-lysine
- SMILES: CN(C)C1=CC=CC2=C1C=CC=C2S(=O)(NCCCC[C@@H](C(O)=O)NC(OCC3C4=CC=CC=C4C5=CC=CC=C53)=O)=O

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7,089

STA Pharmaceutical Fmoc-L-Asu(Bzl)-OH | 1 g | CAS 182059-59-2 | InChIKey UJMVYYYISHDHDN-MHZLTWQESA-N

Fmoc-L-Asu(Bzl)-OH is a Amino Acid reagent (Subcategory: Alkane AA) sold by WuXi TIDES. Offered in 1 g. Store at 4 °C. SDS available for reference.

Specifications
- CAS: 182059-59-2
- MDL: No data
- InChIKey: UJMVYYYISHDHDN-MHZLTWQESA-N
- Molecular Weight: 501.579
- Molecular Formula: C30H31NO6
- Purity: ≥95%
- Container Type: 15 mL HDPE
- Pack Size: 1 g
- Net Weight: 1 g
- Gross Weight: 7.8 g
- Commodity Code: 29242970
- Country Of Origin: China
- IUPAC: (S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-8-(benzyloxy)-8-oxooctanoic acid
- SMILES: O=C([C@H](CCCCCC(OCC1=CC=CC=C1)=O)NC(OCC2C3=CC=CC=C3C4=CC=CC=C24)=O)O

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7,090

STA Pharmaceutical Fmoc-D-Lys(Palm)-OH | 5 g | CAS 1301706-55-7 | MDL MFCD08274507

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

Specifications
- CAS: 1301706-55-7
- MDL: MFCD08274507
- InChIKey: DQZCUQJUXKWZEE-UUWRZZSWSA-N
- Molecular Weight: 606.848
- Molecular Formula: C37H54N2O5
- 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: N2-(((9H-fluoren-9-yl)methoxy)carbonyl)-N6-palmitoyl-D-lysine
- SMILES: CCCCCCCCCCCCCCCC(NCCCC[C@H](C(O)=O)NC(OCC1C2=C(C3=C1C=CC=C3)C=CC=C2)=O)=O

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7,091

Medchemexpress LLC N-Butanoyl-DL-homoserine lactone | 98426-48-3 | 98.0% | 171.19 | 25 MG

N-Butanoyl-DL-homoserine lactone ((Rac)-C4-HSL) is a racemic mixture of N-Butanoyl-D-homoserine lactone and N-Butanoyl-L-homoserine lactone. This compound acts as a cleavable ADC linker used in the synthesis of antibody-drug conjugates (ADCs) and demonstrates antibacterial activity, making it suitable for antibacterial biofilm applications.

Antibacterial activity
Used in antibacterial biofilm applications
Blocks quorum sensing
Inhibits biofilm formation in *Pseudomonas aeruginosa*

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7,092

Apexbio Technology LLC Fmoc-D-Lys(Boc)-OH 92122-45-7 5g

Fmoc-D-Lys Boc -OH is an Fmoc-protected derivative of D-lysine with the side-chain amine group protected by a tert-butyloxycarbonyl (Boc) group It is primarily used in solid-phase peptide synthesis to facilitate the controlled incorporation of D-lysine residues into peptide chains thereby enabling the construction of peptides and cyclic peptides with defined stereochemistry Based on these properties Fmoc-D-Lys Boc -OH holds research potential in studies focusing on peptide receptor interactions cellular signaling pathways enzyme mechanisms and pharmaceutical development in biomedical sciences

Pricing & Availability

7,093

STA Pharmaceutical Fmoc-L-Lys(Alloc)-OH | 5 g | CAS 146982-27-6 | MDL MFCD00190872

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

Specifications
- CAS: 146982-27-6
- MDL: MFCD00190872
- InChIKey: OJBNDXHENJDCBA-QFIPXVFZSA-N
- Molecular Weight: 452.507
- Molecular Formula: C25H28N2O6
- 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: N2-(((9H-fluoren-9-yl)methoxy)carbonyl)-N6-((allyloxy)carbonyl)-L-lysine
- SMILES: C=CCOC(NCCCC[C@@H](C(O)=O)NC(OCC1C2=CC=CC=C2C3=CC=CC=C31)=O)=O

Pricing & Availability

7,094

Medchemexpress LLC N-(ketocaproyl)-D,L-homoserine lactone | 76924-95-3 | MFCD03788849 | 97.0% | 213.24 g·mol⁻¹ | C10H15NO4 | 5 MG

N-(Ketocaproyl)-DL-homoserine lactone is a homoserine lactone quorum-sensing autoinducer and a ligand of LuxR-family receptors. Supplied as a solid for research use, it is employed in microbiology and signaling assays to study bacterial communication and receptor binding. Typical identifiers include CAS 76924-95-3, formula C10H15NO4, and molecular weight ≈213.24 g·mol⁻¹.

Used to probe quorum sensing pathways in bacteria.
Suitable for receptor binding and signaling assays.
Supplied as a white to off-white solid for convenient handling.
Stable when stored frozen at -20 °C to preserve integrity.
Available in small research quantities for assay development.
High purity as reported by suppliers; verify certificate of analysis before critical use.

Pricing & Availability

7,095

Medchemexpress LLC L-proline-15N | 59681-31-1 | 100.0% | 116.13 | C5H9(15)NO2 | 10mg

L-Proline-15N is the 15N-labeled L-Proline L-Proline is one of the twenty amino acids used in living organisms as the building blocks of proteins[1]

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Amino Acids

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Medchemexpress LLC Fmoc-PEG4-NHS ester | 1314378-14-7 | 98.6% | 1 G Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC NH2-C6-NH-Boc | 51857-17-1 | 216.32 | 500 G Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Phospho-Glutamate Receptor 1 (AMPA Subtype) (Ser845) Antibody (YA2081) | 100 UL Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Animal-free G-CSF protein, human (His) | >95.0% | 2UG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC N-Butanoyl-DL-homoserine lactone | 98426-48-3 | 98.0% | 171.19 | 25 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC N-(ketocaproyl)-D,L-homoserine lactone | 76924-95-3 | MFCD03788849 | 97.0% | 213.24 g·mol⁻¹ | C10H15NO4 | 5 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC L-proline-15N | 59681-31-1 | 100.0% | 116.13 | C5H9(15)NO2 | 10mg Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More