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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3,991 – 4,005 of 36,140 results

3,991

Medchemexpress LLC Fmoc-d-dap(boc)-oh | 198544-42-2 | MFCD00798648 | 99.6% | 426.46 g/mol | C23H26N2O6 | 25 G

Fmoc-D-Dap(Boc)-OH is an Fmoc-protected derivative of D-diaminopropionic acid with a Boc-protected side-chain amino group. Supplied as a white to off-white solid for use as a building block in peptide synthesis and in preparation of peptide-based chelators and related metal complexes for research applications.

Fmoc-protected α-amino group
Boc-protected side-chain amino group
Suitable for solid-phase peptide synthesis
High purity (99.6%)
Supplied as a 25 G solid
Storage stable at room temperature for up to 3 years

Pricing & Availability

3,992

STA PHARMACEUTICAL US LLC Fmoc-D-Lys(iPr, Boc)-OH | 100 g | CAS 1313054-37-3 | InChIKey LUGFCMICCJNLBC-RUZDIDTESA-N

Fmoc-D-Lys(iPr, Boc)-OH is a Amino Acid reagent (Subcategory: Lys) sold by WuXi TIDES. Offered in 100 g. Store at 4 °C. SDS available for reference.

Specifications
- CAS: 1313054-37-3
- MDL: No data
- InChIKey: LUGFCMICCJNLBC-RUZDIDTESA-N
- Molecular Weight: 510.631
- Molecular Formula: C29H38N2O6
- 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: N2-(((9H-fluoren-9-yl)methoxy)carbonyl)-N6-(tert-butoxycarbonyl)-N6-isopropyl-D-lysine
- SMILES: CC(N(C(OC(C)(C)C)=O)CCCC[C@H](C(O)=O)NC(OCC1C2=C(C3=C1C=CC=C3)C=CC=C2)=O)C

Pricing & Availability

3,993

STA PHARMACEUTICAL US LLC Fmoc-L-hTyr(Me)-OH | 50 g | CAS 205182-52-1 | MDL MFCD01321419

Fmoc-L-hTyr(Me)-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: 205182-52-1
- MDL: MFCD01321419
- InChIKey: QVVNDZDIQBDWQL-DEOSSOPVSA-N
- Molecular Weight: 431.488
- Molecular Formula: C26H25NO5
- 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)-4-(4-methoxyphenyl)butanoic acid
- SMILES: COC1=CC=C(C=C1)CC[C@@H](C(O)=O)NC(OCC2C3=CC=CC=C3C4=C2C=CC=C4)=O

Pricing & Availability

3,994

Medchemexpress LLC N-Cbz-hydroxy-L-proline | 13504-85-3 | MFCD00037329 | 99.9% | 265.26 | C13H15NO5 | 10 G

N-Cbz-hydroxy-L-proline is a Cbz-protected derivative of hydroxy-L-proline supplied as a white to off-white solid for research use only. It is used as a building block in organic synthesis and as a reagent in biochemical studies; consult supplier documents for solubility, storage, and handling recommendations.

High chemical purity (99.9%).
C13H15NO5 formula; molecular weight 265.26 g/mol.
Cbz-protected hydroxyproline useful as a synthetic building block.
Solid form, white to off-white, easy to weigh and handle.
Stable under recommended storage: powder -20 °C (3 years) or 4 °C (2 years).
Follow DMSO handling guidance to avoid hygroscopic solubility issues.

Pricing & Availability

3,995

STA PHARMACEUTICAL US LLC Fmoc-L-Lys(ipr,Boc)-OH | 5 g | CAS 201003-48-7 | MDL MFCD00080276

Fmoc-L-Lys(ipr,Boc)-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: 201003-48-7
- MDL: MFCD00080276
- InChIKey: LUGFCMICCJNLBC-VWLOTQADSA-N
- Molecular Weight: 510.631
- Molecular Formula: C29H38N2O6
- 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-(tert-butoxycarbonyl)-N6-isopropyl-L-lysine
- SMILES: CC(C)N(CCCC[C@@H](C(O)=O)NC(OCC1C2=CC=CC=C2C3=CC=CC=C31)=O)C(OC(C)(C)C)=O

Pricing & Availability

3,996

STA PHARMACEUTICAL US LLC Fmoc-D-Lys(Trt)-OH | 10 g | CAS 1272755-60-8 | MDL MFCD07783925

Fmoc-D-Lys(Trt)-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: 1272755-60-8
- MDL: MFCD07783925
- InChIKey: CEOOTQDKDICVJW-DIPNUNPCSA-N
- Molecular Weight: 610.754
- Molecular Formula: C40H38N2O4
- 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: N2-(((9H-fluoren-9-yl)methoxy)carbonyl)-N6-trityl-D-lysine
- SMILES: OC([C@@H](CCCCNC(C1=CC=CC=C1)(C2=CC=CC=C2)C3=CC=CC=C3)NC(OCC4C5=CC=CC=C5C6=CC=CC=C46)=O)=O

Pricing & Availability

3,997

Medchemexpress LLC H-D-Phg(4-Cl)-OH | 43189-37-3 | MFCD03839815 | >98.0% | 185.61 g/mol | C8H8ClNO2 | 10 G

H-D-Phg(4-Cl)-OH is a research-grade amino acid derivative (a 4-chloro-phenylglycine derivative) provided as a solid for laboratory peptide synthesis and biochemical research. It is used as a building block in peptide synthesis, small-molecule studies, and other research applications.

Amino acid derivative (4-chloro-phenylglycine).
Used as a peptide building block and research reagent.
CAS: 43189-37-3; formula: C8H8ClNO2; molecular weight: 185.61 g/mol.
Physical form: white to off-white solid.
Purity reported between 97.0% and >98.0% depending on source and batch.

Pricing & Availability

3,998

Medchemexpress LLC Dl-laudanosine | 1699-51-0 | 99.5% | 10 MG

Dl-laudanosine is a research-grade metabolite standard of the neuromuscular blocking agents atracurium and cisatracurium. It crosses the blood-brain barrier and is associated with central excitatory effects; intended for research and analytical use only.

Analytical standard for HPLC, GC, and MS.
Molecular formula C21H27NO4; molecular weight 357.44 g/mol.
Approximately 99.5% purity.
Available in small pack sizes, including 10 mg.
Storage: powder -20°C (3 years), 4°C (2 years); in solvent -80°C (6 months), -20°C (1 month).
SDS and certificate of analysis available.

Pricing & Availability

3,999

STA PHARMACEUTICAL US LLC (2S,4R)-1-(((9H-Fluoren-9-yl)methoxy)carbonyl)-4-phenylpyrrolidine-2-carboxylic acid | 5 g | CAS 1093651-96-7 | MDL MFCD06656464

(2S,4R)-1-(((9H-Fluoren-9-yl)methoxy)carbonyl)-4-phenylpyrrolidine-2-carboxylic acid is a Amino Acid reagent (Subcategory: Pro) sold by WuXi TIDES. Offered in 5 g. Store at 4 °C. SDS available for reference.

Specifications
- CAS: 1093651-96-7
- MDL: MFCD06656464
- InChIKey: YABZSVAQRSIEAZ-UUOWRZLLSA-N
- Molecular Weight: 413.473
- Molecular Formula: C26H23NO4
- Purity: ≥95%
- Container Type: 30 mL HDPE
- Pack Size: 5 g
- Net Weight: 5 g
- Gross Weight: 16.5 g
- Commodity Code: 29339980
- Country Of Origin: China
- IUPAC: (2S,4R)-1-(((9H-fluoren-9-yl)methoxy)carbonyl)-4-phenylpyrrolidine-2-carboxylic acid
- SMILES: O=C(O)[C@H]1N(C(OCC2C3=C(C4=C2C=CC=C4)C=CC=C3)=O)C[C@@H](C5=CC=CC=C5)C1

Pricing & Availability

4,000

STA PHARMACEUTICAL US LLC (2S,5R)-1-{[(9H-fluoren-9-yl)methoxy]carbonyl}-5-methylpyrrolidine-2-carboxylic acid | 50 g | CAS 1932784-54-7 | InChIKey RQLDNXLQBRULFT-YJYMSZOUSA-N

(2S,5R)-1-{[(9H-fluoren-9-yl)methoxy]carbonyl}-5-methylpyrrolidine-2-carboxylic acid is a Amino Acid reagent (Subcategory: Pro) sold by WuXi TIDES. Offered in 50 g. Store at 4 °C. SDS available for reference.

Specifications
- CAS: 1932784-54-7
- MDL: No data
- InChIKey: RQLDNXLQBRULFT-YJYMSZOUSA-N
- Molecular Weight: 351.402
- Molecular Formula: C21H21NO4
- Purity: ≥95%
- Container Type: 250 mL HDPE
- Pack Size: 50 g
- Net Weight: 50 g
- Gross Weight: 89.8 g
- Commodity Code: 29339980
- Country Of Origin: China
- IUPAC: (2S,5R)-1-(((9H-fluoren-9-yl)methoxy)carbonyl)-5-methylpyrrolidine-2-carboxylic acid
- SMILES: O=C(O)[C@@H]1CC[C@@H](C)N1C(OCC2C3=CC=CC=C3C4=C2C=CC=C4)=O

Pricing & Availability

4,001

STA PHARMACEUTICAL US LLC Fmoc-D-Dap(Z)-OH | 100 g | CAS 387824-80-8 | MDL MFCD02684373

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

Specifications
- CAS: 387824-80-8
- MDL: MFCD02684373
- InChIKey: CDAHZCMBWKGJEC-HSZRJFAPSA-N
- Molecular Weight: 460.486
- Molecular Formula: C26H24N2O6
- 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)-3-(((benzyloxy)carbonyl)amino)propanoic acid
- SMILES: O=C([C@@H](CNC(OCC1=CC=CC=C1)=O)NC(OCC2C3=CC=CC=C3C4=CC=CC=C42)=O)O

Pricing & Availability

4,002

STA PHARMACEUTICAL US LLC Fmoc-L-Dap(Mtt)-OH | 50 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 50 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: 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)-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

Pricing & Availability

4,003

STA PHARMACEUTICAL US LLC Fmoc-L-Phe(3,4,5-TriF)-OH | 100 g | CAS 205526-30-3 | MDL MFCD00797583

Fmoc-L-Phe(3,4,5-TriF)-OH is a Amino Acid reagent (Subcategory: Phe) sold by WuXi TIDES. Offered in 100 g. Store at 4 °C. SDS available for reference.

Specifications
- CAS: 205526-30-3
- MDL: MFCD00797583
- InChIKey: VNMUACAZWGQRRL-NRFANRHFSA-N
- Molecular Weight: 441.406
- Molecular Formula: C24H18F3NO4
- 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)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(3,4,5-trifluorophenyl)propanoic acid
- SMILES: FC1=CC(C[C@H](NC(OCC2C3=CC=CC=C3C4=CC=CC=C42)=O)C(O)=O)=CC(F)=C1F

Pricing & Availability

4,004

STA PHARMACEUTICAL US LLC (2R,4S)-Fmoc-Pro(4-BocNH2)-OH(Abs) | 25 g | CAS 1253791-18-2 | MDL MFCD12755471

(2R,4S)-Fmoc-Pro(4-BocNH2)-OH(Abs) 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: 1253791-18-2
- MDL: MFCD12755471
- InChIKey: FJEXPICLVWOJSE-YCRPNKLZSA-N
- Molecular Weight: 452.507
- Molecular Formula: C25H28N2O6
- 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-butoxycarbonyl)amino)pyrrolidine-2-carboxylic acid
- SMILES: O=C(OC(C)(C)C)N[C@@H](C1)CN(C(OCC2C3=CC=CC=C3C4=CC=CC=C24)=O)[C@H]1C(O)=O

Pricing & Availability

4,005

STA PHARMACEUTICAL US LLC Fmoc-D-Phe(3,4-DiMe)-OH | 25 g | CAS 1217683-87-8 | MDL MFCD08458427

Fmoc-D-Phe(3,4-DiMe)-OH is a Amino Acid reagent (Subcategory: Phe) sold by WuXi TIDES. Offered in 25 g. Store at 4 °C. SDS available for reference.

Specifications
- CAS: 1217683-87-8
- MDL: MFCD08458427
- InChIKey: QMHIEEWTOGXGNA-XMMPIXPASA-N
- Molecular Weight: 415.489
- Molecular Formula: C26H25NO4
- 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: (R)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(3,4-dimethylphenyl)propanoic acid
- SMILES: O=C(OCC1C2=C(C3=C1C=CC=C3)C=CC=C2)N[C@H](CC4=CC=C(C)C(C)=C4)C(O)=O

Pricing & Availability

Amino Acids

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Medchemexpress LLC Fmoc-d-dap(boc)-oh | 198544-42-2 | MFCD00798648 | 99.6% | 426.46 g/mol | C23H26N2O6 | 25 G Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC N-Cbz-hydroxy-L-proline | 13504-85-3 | MFCD00037329 | 99.9% | 265.26 | C13H15NO5 | 10 G Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC H-D-Phg(4-Cl)-OH | 43189-37-3 | MFCD03839815 | >98.0% | 185.61 g/mol | C8H8ClNO2 | 10 G Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Dl-laudanosine | 1699-51-0 | 99.5% | 10 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Fmoc-d-dap(boc)-oh | 198544-42-2 | MFCD00798648 | 99.6% | 426.46 g/mol | C23H26N2O6 | 25 G

Medchemexpress LLC N-Cbz-hydroxy-L-proline | 13504-85-3 | MFCD00037329 | 99.9% | 265.26 | C13H15NO5 | 10 G

Medchemexpress LLC H-D-Phg(4-Cl)-OH | 43189-37-3 | MFCD03839815 | >98.0% | 185.61 g/mol | C8H8ClNO2 | 10 G

Medchemexpress LLC Dl-laudanosine | 1699-51-0 | 99.5% | 10 MG