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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5,806 – 5,820 of 36,046 results

5,806

Medchemexpress LLC 2-Pyrrolidinepropanoic acid, 1-[(1,1-dimethylethoxy)carbonyl]-β-methoxy-α-methyl-, (αR,βR,2S)- | 120205-50-7 | 99.6% | 287.36 | 1 ML

N-Boc-dolaproine is the amino acid residue of the pentapeptide Dolastatin 10. Dolastatin 10 inhibits tubulin polymerization and mitosis and has anticancer activity. N-Boc-dolaproine is a key intermediate used in the synthesis of Dolastatin 10.

Inhibits tubulin polymerization
Inhibits mitosis
Has anticancer activity
Used as an intermediate in synthesis
Appearance: Colorless to light yellow oil

Pricing & Availability

5,807

Chemscene ChemScene | Methyl 4-bromo-2,6-difluorobenzoate | 100G | CS-0018767 | 0.98 | 773134-11-5| MFCD06204169 | 251.026

ChemScene | Methyl 4-bromo-2,6-difluorobenzoate | 100G | CS-0018767 | 0.98 | 773134-11-5| MFCD06204169 | 251.026

Pricing & Availability

5,808

Medchemexpress LLC Epsilon-poly-L-lysine | 28211-04-3 | MFCD01756704 | 100.0% | 3,800-4,200 Da | (C6H12N2O)n | 25 G

ε-Poly-L-lysine is a cationic antimicrobial polymer with an average molecular weight of approximately 3,800-4,200 Da. It exhibits broad-spectrum antimicrobial activity and demonstrates thermal stability and resistance to acidic conditions, which supports its use as a preservative and a functional excipient in formulations and delivery systems.

Broad-spectrum antimicrobial activity against bacteria, yeasts, and molds.
Thermal stability and resistance to acidic conditions.
Suitable for use as a food preservative or antimicrobial additive.
Functions as a liposome stabilizer for improved formulation stability.
Can be incorporated into nanoparticles or nanofiber membranes for targeted or sustained delivery.
Typical molecular weight range: 3,800-4,200 Da.

Pricing & Availability

5,809

STA PHARMACEUTICAL US LLC Fmoc-D-O-Hyp(tBu)-OH | 25 g | CAS 268729-12-0 | MDL MFCD00798649

Fmoc-D-O-Hyp(tBu)-OH is a Amino Acid reagent (Subcategory: Pro) sold by WuXi TIDES. Offered in 25 g. Store at 4 °C. SDS available for reference.

Specifications
- CAS: 268729-12-0
- MDL: MFCD00798649
- InChIKey: WPBXBYOKQUEIDW-YCRPNKLZSA-N
- Molecular Weight: 409.482
- Molecular Formula: C24H27NO5
- Purity: ≥95%
- Container Type: 125 mL HDPE
- Pack Size: 25 g
- Net Weight: 25 g
- Gross Weight: 54.3 g
- Commodity Code: 29339980
- Country Of Origin: China
- IUPAC: (2R,4S)-1-(((9H-fluoren-9-yl)methoxy)carbonyl)-4-(tert-butoxy)pyrrolidine-2-carboxylic acid
- SMILES: CC(C)(O[C@H]1C[C@@H](N(C(OCC2C3=C(C4=C2C=CC=C4)C=CC=C3)=O)C1)C(O)=O)C

Pricing & Availability

5,810

STA PHARMACEUTICAL US LLC Fmoc-L-2-Aminomethylphe(Boc) | 1 g | CAS 1217808-42-8 | MDL MFCD06659138

Fmoc-L-2-Aminomethylphe(Boc) is a Amino Acid reagent (Subcategory: Phe) sold by WuXi TIDES. Offered in 1 g. Store at 4 °C. SDS available for reference.

Specifications
- CAS: 1217808-42-8
- MDL: MFCD06659138
- InChIKey: SANGKBPWIFXZHS-SANMLTNESA-N
- Molecular Weight: 516.594
- Molecular Formula: C30H32N2O6
- 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)-3-(2-(((tert-butoxycarbonyl)amino)methyl)phenyl)propanoic acid
- SMILES: CC(OC(NCC1=CC=CC=C1C[C@@H](C(O)=O)NC(OCC2C3=CC=CC=C3C4=CC=CC=C42)=O)=O)(C)C

Pricing & Availability

5,811

STA PHARMACEUTICAL US LLC Fmoc-N-Me-D-Cys(Acm)-OH | 1 g | CAS 481642-19-7 | MDL MFCD30187631

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

Specifications
- CAS: 481642-19-7
- MDL: MFCD30187631
- InChIKey: CMFFRUPIEQKOGH-FQEVSTJZSA-N
- Molecular Weight: 428.503
- Molecular Formula: C22H24N2O5S
- Purity: ≥95%
- Container Type: 15 mL HDPE
- Pack Size: 1 g
- Net Weight: 1 g
- Gross Weight: 7.8 g
- Commodity Code: 29309016
- Country Of Origin: China
- IUPAC: N-(((9H-fluoren-9-yl)methoxy)carbonyl)-S-(acetamidomethyl)-N-methyl-L-cysteine
- SMILES: CN(C(OCC1C2=C(C3=C1C=CC=C3)C=CC=C2)=O)[C@H](C(O)=O)CSCNC(C)=O

Pricing & Availability

5,812

STA PHARMACEUTICAL US LLC Fmoc-DL-Pro(3,3-F2)-OH | 10 g | CAS 2137451-60-4 | InChIKey VHXZNQGGLTZVQI-UHFFFAOYSA-N

Fmoc-DL-Pro(3,3-F2)-OH is a Amino Acid reagent (Subcategory: Pro) sold by WuXi TIDES. Offered in 10 g. Store at 4 °C. SDS available for reference.

Specifications
- CAS: 2137451-60-4
- MDL: No data
- InChIKey: VHXZNQGGLTZVQI-UHFFFAOYSA-N
- Molecular Weight: 373.356
- Molecular Formula: C20H17F2NO4
- Purity: ≥95%
- Container Type: 60 mL HDPE
- Pack Size: 10 g
- Net Weight: 10 g
- Gross Weight: 25 g
- Commodity Code: 29339980
- Country Of Origin: China
- IUPAC: 1-(((9H-fluoren-9-yl)methoxy)carbonyl)-3,3-difluoropyrrolidine-2-carboxylic acid
- SMILES: FC1(C(N(C(OCC2C3=C(C4=C2C=CC=C4)C=CC=C3)=O)CC1)C(O)=O)F

Pricing & Availability

5,813

STA PHARMACEUTICAL US LLC Fmoc-L-Ser(alpha-D-Man(Ac)4)-OH | 100 g | CAS 118358-80-8 | MDL MFCD05663656

Fmoc-L-Ser(alpha-D-Man(Ac)4)-OH is a Amino Acid reagent (Subcategory: Sugar AA) sold by WuXi TIDES. Offered in 100 g. Store at 4 °C. SDS available for reference.

Specifications
- CAS: 118358-80-8
- MDL: MFCD05663656
- InChIKey: UGQPZVSWEMKXBN-YVMRMMKNSA-N
- Molecular Weight: 657.625
- Molecular Formula: C32H35NO14
- Purity: ≥95%
- Container Type: 500 mL HDPE
- Pack Size: 100 g
- Net Weight: 100 g
- Gross Weight: 160.5 g
- Commodity Code: 29329900
- Country Of Origin: China
- IUPAC: N-(((9H-fluoren-9-yl)methoxy)carbonyl)-O-((2S,3S,4S,5R,6R)-3,4,5-triacetoxy-6-(acetoxymethyl)tetrahydro-2H-pyran-2-yl)-L-serine
- SMILES: CC(OC[C@H]1O[C@@H]([C@H]([C@H]([C@@H]1OC(C)=O)OC(C)=O)OC(C)=O)OC[C@@H](C(O)=O)NC(OCC2C3=CC=CC=C3C4=C2C=CC=C4)=O)=O

Pricing & Availability

5,814

Medchemexpress LLC Tos-Pro-OH | 51077-01-1 | MFCD00238392 | 99.0% | 269.32 g/mol | C12H15NO4S | 5 G

Tos-Pro-OH is a tosyl-proline derivative (N-toluenesulfonyl-L-proline) supplied as a solid research reagent. It functions as a protected proline building block for organic and peptide synthesis and is identified by molecular formula C12H15NO4S, molecular weight 269.32 g/mol, and CAS 51077-01-1.

Purity 99.0% for consistent performance.
Tosyl-protected proline useful as a building block in organic and peptide synthesis.
Solid form simplifies weighing and storage.
Molecular formula C12H15NO4S and molecular weight 269.32 g/mol for unambiguous identification.
Available in lab-scale package sizes suitable for synthesis workflows.

Pricing & Availability

5,815

STA PHARMACEUTICAL US LLC Boc-D-Dap(Fmoc)-OH | 10 g | CAS 131570-56-4 | MDL MFCD00236844

Boc-D-Dap(Fmoc)-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: 131570-56-4
- MDL: MFCD00236844
- InChIKey: MVWPBNQGEGBGRF-LJQANCHMSA-N
- Molecular Weight: 426.469
- Molecular Formula: C23H26N2O6
- 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: (R)-3-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-2-((tert-butoxycarbonyl)amino)propanoic acid
- SMILES: CC(OC(N[C@H](CNC(OCC1C2=CC=CC=C2C3=CC=CC=C31)=O)C(O)=O)=O)(C)C

Pricing & Availability

5,816

STA PHARMACEUTICAL US LLC Fmoc-L-Bip(4'-Cl)-OH | 25 g | CAS 1282042-60-7 | InChIKey YJQNMNJDBMSIFY-NDEPHWFRSA-N

Fmoc-L-Bip(4'-Cl)-OH 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: 1282042-60-7
- MDL: No data
- InChIKey: YJQNMNJDBMSIFY-NDEPHWFRSA-N
- Molecular Weight: 497.975
- Molecular Formula: C30H24ClNO4
- 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)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(4'-chloro-[1,1'-biphenyl]-4-yl)propanoic acid
- SMILES: O=C(OCC1C2=CC=CC=C2C3=CC=CC=C31)N[C@H](C(O)=O)CC4=CC=C(C=C4)C5=CC=C(C=C5)Cl

Pricing & Availability

5,817

STA PHARMACEUTICAL US LLC Fmoc-L-Asu-OH | 5 g | CAS 218457-76-2 | MDL MFCD01317728

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

Specifications
- CAS: 218457-76-2
- MDL: MFCD01317728
- InChIKey: IMAOCPQKEUWDNC-FQEVSTJZSA-N
- Molecular Weight: 411.454
- Molecular Formula: C23H25NO6
- 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)octanedioic acid
- SMILES: O=C([C@H](CCCCCC(O)=O)NC(OCC1C2=CC=CC=C2C3=CC=CC=C31)=O)O

Pricing & Availability

5,818

STA PHARMACEUTICAL US LLC Fmoc-(2-furyl)-D-beta-HomoAla-OH | 5 g | CAS 270596-34-4 | MDL MFCD01860994

Fmoc-(2-furyl)-D-beta-HomoAla-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: 270596-34-4
- MDL: MFCD01860994
- InChIKey: YIYJEKXVMOCXPC-OAHLLOKOSA-N
- Molecular Weight: 391.423
- Molecular Formula: C23H21NO5
- Purity: ≥95%
- Container Type: 30 mL HDPE
- Pack Size: 5 g
- Net Weight: 5 g
- Gross Weight: 16.5 g
- Commodity Code: 29321900
- Country Of Origin: China
- IUPAC: (R)-3-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-4-(furan-2-yl)butanoic acid
- SMILES: O=C(C[C@H](NC(OCC1C2=CC=CC=C2C3=CC=CC=C31)=O)CC4=CC=CO4)O

Pricing & Availability

5,819

STA PHARMACEUTICAL US LLC Fmoc-D-Thr(Trt)-OH | 50 g | CAS 682800-84-6 | MDL MFCD01631661

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

Specifications
- CAS: 682800-84-6
- MDL: MFCD01631661
- InChIKey: JARBLLDDSTVWSM-OSPAZUARSA-N
- Molecular Weight: 583.684
- Molecular Formula: C38H33NO5
- 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: N-(((9H-fluoren-9-yl)methoxy)carbonyl)-O-trityl-D-threonine
- SMILES: C[C@@H]([C@H](C(O)=O)NC(OCC1C2=CC=CC=C2C3=C1C=CC=C3)=O)OC(C4=CC=CC=C4)(C5=CC=CC=C5)C6=CC=CC=C6

Pricing & Availability

5,820

STA PHARMACEUTICAL US LLC Fmoc-D-Lys(nicotinoyl)-OH | 5 g | CAS 252049-12-0 | MDL MFCD00080277

Fmoc-D-Lys(nicotinoyl)-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: 252049-12-0
- MDL: MFCD00080277
- InChIKey: CRRQIRUSEYKWPF-XMMPIXPASA-N
- Molecular Weight: 473.529
- Molecular Formula: C27H27N3O5
- Purity: ≥95%
- Container Type: 30 mL HDPE
- Pack Size: 5 g
- Net Weight: 5 g
- Gross Weight: 16.5 g
- Commodity Code: 29333999
- Country Of Origin: China
- IUPAC: N2-(((9H-fluoren-9-yl)methoxy)carbonyl)-N6-nicotinoyl-D-lysine
- SMILES: O=C(NCCCC[C@@H](NC(OCC1C2=CC=CC=C2C3=CC=CC=C31)=O)C(O)=O)C4=CN=CC=C4

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Amino Acids

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Medchemexpress LLC 2-Pyrrolidinepropanoic acid, 1-[(1,1-dimethylethoxy)carbonyl]-β-methoxy-α-methyl-, (αR,βR,2S)- | 120205-50-7 | 99.6% | 287.36 | 1 ML Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Chemscene ChemScene | Methyl 4-bromo-2,6-difluorobenzoate | 100G | CS-0018767 | 0.98 | 773134-11-5| MFCD06204169 | 251.026 Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Epsilon-poly-L-lysine | 28211-04-3 | MFCD01756704 | 100.0% | 3,800-4,200 Da | (C6H12N2O)n | 25 G Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Tos-Pro-OH | 51077-01-1 | MFCD00238392 | 99.0% | 269.32 g/mol | C12H15NO4S | 5 G Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC 2-Pyrrolidinepropanoic acid, 1-[(1,1-dimethylethoxy)carbonyl]-β-methoxy-α-methyl-, (αR,βR,2S)- | 120205-50-7 | 99.6% | 287.36 | 1 ML

Chemscene ChemScene | Methyl 4-bromo-2,6-difluorobenzoate | 100G | CS-0018767 | 0.98 | 773134-11-5| MFCD06204169 | 251.026

Medchemexpress LLC Epsilon-poly-L-lysine | 28211-04-3 | MFCD01756704 | 100.0% | 3,800-4,200 Da | (C6H12N2O)n | 25 G

Medchemexpress LLC Tos-Pro-OH | 51077-01-1 | MFCD00238392 | 99.0% | 269.32 g/mol | C12H15NO4S | 5 G