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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1,186 – 1,200 of 33,256 results

1,186

5-Aminolevulinic acid hydrochloride, 99%

CAS: 9-2-5451 Molecular Formula: C5H10ClNO3 Molecular Weight (g/mol): 167.59 MDL Number: MFCD00012869 InChI Key: ZLHFONARZHCSET-UHFFFAOYSA-N Synonym: 5-aminolevulinic acid hydrochloride,5-amino-4-oxopentanoic acid hydrochloride,aminolevulinic acid hydrochloride,levulan,levulan kerastick,aminolevulinic acid hcl,delta-aminolevulinic acid hydrochloride,gliolan,ameluz,5-aminolevulinate hydrochloride PubChem CID: 123608 IUPAC Name: 5-amino-4-oxopentanoic acid;hydrochloride SMILES: C(CC(=O)O)C(=O)CN.Cl

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Specifications

PubChem CID	123608
CAS	9-2-5451
Molecular Weight (g/mol)	167.59
MDL Number	MFCD00012869
SMILES	C(CC(=O)O)C(=O)CN.Cl
Synonym	5-aminolevulinic acid hydrochloride,5-amino-4-oxopentanoic acid hydrochloride,aminolevulinic acid hydrochloride,levulan,levulan kerastick,aminolevulinic acid hcl,delta-aminolevulinic acid hydrochloride,gliolan,ameluz,5-aminolevulinate hydrochloride
IUPAC Name	5-amino-4-oxopentanoic acid;hydrochloride
InChI Key	ZLHFONARZHCSET-UHFFFAOYSA-N
Molecular Formula	C5H10ClNO3

1,187

L-Cysteine , MP Biomedicals, LLC

CAS: 52-90-4 Molecular Formula: C3H7NO2S Molecular Weight (g/mol): 121.15 InChI Key: XUJNEKJLAYXESH-UHFFFAOYNA-N Synonym: l-cysteine,cysteine,cystein,half-cystine,r-cysteine,thioserine,r-2-amino-3-mercaptopropanoic acid,l-+-cysteine,l-cystein,2r-2-amino-3-sulfanylpropanoic acid PubChem CID: 5862 ChEBI: CHEBI:17561

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Specifications

PubChem CID	5862
CAS	52-90-4
Molecular Weight (g/mol)	121.15
ChEBI	CHEBI:17561
Synonym	l-cysteine,cysteine,cystein,half-cystine,r-cysteine,thioserine,r-2-amino-3-mercaptopropanoic acid,l-+-cysteine,l-cystein,2r-2-amino-3-sulfanylpropanoic acid
InChI Key	XUJNEKJLAYXESH-UHFFFAOYNA-N
Molecular Formula	C3H7NO2S

1,188

Thermo Scientific Chemicals O-Methyl-L-tyrosine, 98%

CAS: 6230-11-1 Molecular Formula: C10H13NO3 Molecular Weight (g/mol): 195.22 MDL Number: MFCD00002604 InChI Key: GEYBMYRBIABFTA-IMWMWJONNA-N Synonym: 4-methoxy-l-phenylalanine,o-methyl-l-tyrosine,h-tyr me-oh,o-methyltyrosine,s-2-amino-3-4-methoxyphenyl propanoic acid,p-methoxy-l-phenylalanine,2s-2-amino-3-4-methoxyphenyl propanoic acid,tyrosine, o-methyl,l-4-methoxyphenylalanine,h-4-methoxy-phe-oh PubChem CID: 2723935 IUPAC Name: (2S)-2-amino-3-(4-methoxyphenyl)propanoic acid SMILES: COC1=CC=C(C[C@H](N)C(O)=O)C=C1

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Specifications

PubChem CID	2723935
CAS	6230-11-1
Molecular Weight (g/mol)	195.22
MDL Number	MFCD00002604
SMILES	COC1=CC=C(C[C@H](N)C(O)=O)C=C1
Synonym	4-methoxy-l-phenylalanine,o-methyl-l-tyrosine,h-tyr me-oh,o-methyltyrosine,s-2-amino-3-4-methoxyphenyl propanoic acid,p-methoxy-l-phenylalanine,2s-2-amino-3-4-methoxyphenyl propanoic acid,tyrosine, o-methyl,l-4-methoxyphenylalanine,h-4-methoxy-phe-oh
IUPAC Name	(2S)-2-amino-3-(4-methoxyphenyl)propanoic acid
InChI Key	GEYBMYRBIABFTA-IMWMWJONNA-N
Molecular Formula	C10H13NO3

1,189

L-(+)-Norleucine, 99%

CAS: 327-57-1 Molecular Formula: C6H13NO2 Molecular Weight (g/mol): 131.18 MDL Number: MFCD00064423 InChI Key: LRQKBLKVPFOOQJ-YFKPBYRVSA-N Synonym: l-norleucine,norleucine,h-nle-oh,s-2-aminohexanoic acid,caprine,glycoleucine,l-+-norleucine,l-2-aminohexanoic acid,2-aminocaproic acid,l-2-aminohexanoate PubChem CID: 21236 ChEBI: CHEBI:18347 IUPAC Name: (2S)-2-aminohexanoic acid SMILES: CCCC[C@H](N)C(O)=O

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Specifications

PubChem CID	21236
CAS	327-57-1
Molecular Weight (g/mol)	131.18
ChEBI	CHEBI:18347
MDL Number	MFCD00064423
SMILES	CCCC[C@H](N)C(O)=O
Synonym	l-norleucine,norleucine,h-nle-oh,s-2-aminohexanoic acid,caprine,glycoleucine,l-+-norleucine,l-2-aminohexanoic acid,2-aminocaproic acid,l-2-aminohexanoate
IUPAC Name	(2S)-2-aminohexanoic acid
InChI Key	LRQKBLKVPFOOQJ-YFKPBYRVSA-N
Molecular Formula	C6H13NO2

1,190

(1R,3S)-N-BOC-1-Aminocyclopentane-3-carboxylic acid, 95%, 98% ee

CAS: 261165-05-3 Molecular Formula: C₁₁H₁₉NO₄ Molecular Weight (g/mol): 229.27 MDL Number: MFCD01320857 InChI Key: RNJQBGXOSAQQDG-JGVFFNPUSA-N Synonym: 1s,3r-3-tert-butoxycarbonyl amino cyclopentanecarboxylic acid,+-1s,3r-n-boc-3-aminocyclopentanecarboxylic acid,1r,3s-n-boc-1-aminocyclopentane-3-carboxylic acid,1s,3r-3-tert-butoxycarbonylamino cyclopentanecarboxylic acid,cis-3-boc-amino cyclopentane-1-carboxylic acid,1s,3r-3-tert-butoxycarbonyl amino cyclopentane-1-carboxylic acid,1s,3r-3-tert-butoxy carbonyl amino cyclopentane-1-carboxylic acid PubChem CID: 1512529 IUPAC Name: (1S,3R)-3-[(2-methylpropan-2-yl)oxycarbonylamino]cyclopentane-1-carboxylic acid SMILES: CC(C)(C)OC(=O)NC1CCC(C1)C(=O)O

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Specifications

PubChem CID	1512529
CAS	261165-05-3
Molecular Weight (g/mol)	229.27
MDL Number	MFCD01320857
SMILES	CC(C)(C)OC(=O)NC1CCC(C1)C(=O)O
Synonym	1s,3r-3-tert-butoxycarbonyl amino cyclopentanecarboxylic acid,+-1s,3r-n-boc-3-aminocyclopentanecarboxylic acid,1r,3s-n-boc-1-aminocyclopentane-3-carboxylic acid,1s,3r-3-tert-butoxycarbonylamino cyclopentanecarboxylic acid,cis-3-boc-amino cyclopentane-1-carboxylic acid,1s,3r-3-tert-butoxycarbonyl amino cyclopentane-1-carboxylic acid,1s,3r-3-tert-butoxy carbonyl amino cyclopentane-1-carboxylic acid
IUPAC Name	(1S,3R)-3-[(2-methylpropan-2-yl)oxycarbonylamino]cyclopentane-1-carboxylic acid
InChI Key	RNJQBGXOSAQQDG-JGVFFNPUSA-N
Molecular Formula	C₁₁H₁₉NO₄

1,191

Thermo Scientific Chemicals N-Acetyl-L-leucine, 99%

CAS: 1188-21-2 Molecular Formula: C8H15NO3 Molecular Weight (g/mol): 173.21 MDL Number: MFCD00065131 InChI Key: WXNXCEHXYPACJF-JLDDOWRYNA-N Synonym: n-acetyl-l-leucine,acetyl-l-leucine,ac-leu-oh,n-acetylleucine,s-2-acetamido-4-methylpentanoic acid,n-acetyl-leu,2s-2-acetamido-4-methylpentanoic acid,n-acetyl-leucine,leucine, n-acetyl-, l,n-acetyl-l-leucin PubChem CID: 70912 ChEBI: CHEBI:17786 IUPAC Name: (2S)-2-acetamido-4-methylpentanoic acid SMILES: CC(C)C[C@H](NC(C)=O)C(O)=O

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Specifications

PubChem CID	70912
CAS	1188-21-2
Molecular Weight (g/mol)	173.21
ChEBI	CHEBI:17786
MDL Number	MFCD00065131
SMILES	CC(C)C[C@H](NC(C)=O)C(O)=O
Synonym	n-acetyl-l-leucine,acetyl-l-leucine,ac-leu-oh,n-acetylleucine,s-2-acetamido-4-methylpentanoic acid,n-acetyl-leu,2s-2-acetamido-4-methylpentanoic acid,n-acetyl-leucine,leucine, n-acetyl-, l,n-acetyl-l-leucin
IUPAC Name	(2S)-2-acetamido-4-methylpentanoic acid
InChI Key	WXNXCEHXYPACJF-JLDDOWRYNA-N
Molecular Formula	C8H15NO3

1,192

N-Boc-D-phenylglycine, 99%

CAS: 33125-05-2 Molecular Formula: C13H17NO4 Molecular Weight (g/mol): 251.28 MDL Number: MFCD00062043,MFCD00065588 InChI Key: HOBFSNNENNQQIU-UHFFFAOYNA-N Synonym: boc-d-phg-oh,boc-d-phenylglycine,n-boc-d-phenylglycine,n-boc-d-2-phenylglycine,n-boc-l-phenylglycine,n-tert-butoxycarbonyl-d-2-phenylglycine,boc-d-alpha-phenylglycine,r-tert-butoxycarbonyl amino phenyl acetic acid,r-tert-butoxycarbonylamino-phenyl-acetic acid,r-2-tert-butoxycarbonyl amino-2-phenylacetic acid PubChem CID: 2755953 IUPAC Name: (2R)-2-[(2-methylpropan-2-yl)oxycarbonylamino]-2-phenylacetic acid SMILES: CC(C)(C)OC(=O)NC(C(O)=O)C1=CC=CC=C1

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Specifications

PubChem CID	2755953
CAS	33125-05-2
Molecular Weight (g/mol)	251.28
MDL Number	MFCD00062043,MFCD00065588
SMILES	CC(C)(C)OC(=O)NC(C(O)=O)C1=CC=CC=C1
Synonym	boc-d-phg-oh,boc-d-phenylglycine,n-boc-d-phenylglycine,n-boc-d-2-phenylglycine,n-boc-l-phenylglycine,n-tert-butoxycarbonyl-d-2-phenylglycine,boc-d-alpha-phenylglycine,r-tert-butoxycarbonyl amino phenyl acetic acid,r-tert-butoxycarbonylamino-phenyl-acetic acid,r-2-tert-butoxycarbonyl amino-2-phenylacetic acid
IUPAC Name	(2R)-2-[(2-methylpropan-2-yl)oxycarbonylamino]-2-phenylacetic acid
InChI Key	HOBFSNNENNQQIU-UHFFFAOYNA-N
Molecular Formula	C13H17NO4

1,193

L-Proline methyl ester hydrochloride, 98+%, Thermo Scientific Chemicals

CAS: 2133-40-6 Molecular Formula: C6H12NO2 Molecular Weight (g/mol): 130.17 MDL Number: MFCD00012708 InChI Key: BLWYXBNNBYXPPL-YFKPBYRVSA-O Synonym: l-proline methyl ester hydrochloride,h-pro-ome.hcl,methyl l-prolinate hydrochloride,methyl 2s-pyrrolidine-2-carboxylate hydrochloride,h-l-pro-ome hcl,s-methyl pyrrolidine-2-carboxylate hydrochloride,unii-7lwl7p890m,proline, methyl ester, hydrochloride,methyl l-prolinate hcl,methyl 2s pyrrolidine-2-carboxylate, chloride PubChem CID: 2733200 SMILES: COC(=O)[C@@H]1CCC[NH2+]1

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Specifications

PubChem CID	2733200
CAS	2133-40-6
Molecular Weight (g/mol)	130.17
MDL Number	MFCD00012708
SMILES	COC(=O)[C@@H]1CCC[NH2+]1
Synonym	l-proline methyl ester hydrochloride,h-pro-ome.hcl,methyl l-prolinate hydrochloride,methyl 2s-pyrrolidine-2-carboxylate hydrochloride,h-l-pro-ome hcl,s-methyl pyrrolidine-2-carboxylate hydrochloride,unii-7lwl7p890m,proline, methyl ester, hydrochloride,methyl l-prolinate hcl,methyl 2s pyrrolidine-2-carboxylate, chloride
InChI Key	BLWYXBNNBYXPPL-YFKPBYRVSA-O
Molecular Formula	C6H12NO2

1,194

4-Fluoro-L-phenylalanine, 98+%

CAS: 1132-68-9 Molecular Formula: C9H10FNO2 Molecular Weight (g/mol): 183.182 MDL Number: MFCD00063064 InChI Key: XWHHYOYVRVGJJY-QMMMGPOBSA-N Synonym: 4-fluoro-l-phenylalanine,p-fluoro-l-phenylalanine,s-4-fluorophenylalanine,l-4-fluorophenylalanine,h-phe 4-f-oh,s-2-amino-3-4-fluorophenyl propanoic acid,unii-e2k2vdk6kk,l-phenylalanine, 4-fluoro,s---p-fluorophenylalanine,2s-2-amino-3-4-fluorophenyl propanoic acid PubChem CID: 716312 ChEBI: CHEBI:44909 IUPAC Name: (2S)-2-amino-3-(4-fluorophenyl)propanoic acid SMILES: C1=CC(=CC=C1CC(C(=O)O)N)F

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Specifications

PubChem CID	716312
CAS	1132-68-9
Molecular Weight (g/mol)	183.182
ChEBI	CHEBI:44909
MDL Number	MFCD00063064
SMILES	C1=CC(=CC=C1CC(C(=O)O)N)F
Synonym	4-fluoro-l-phenylalanine,p-fluoro-l-phenylalanine,s-4-fluorophenylalanine,l-4-fluorophenylalanine,h-phe 4-f-oh,s-2-amino-3-4-fluorophenyl propanoic acid,unii-e2k2vdk6kk,l-phenylalanine, 4-fluoro,s---p-fluorophenylalanine,2s-2-amino-3-4-fluorophenyl propanoic acid
IUPAC Name	(2S)-2-amino-3-(4-fluorophenyl)propanoic acid
InChI Key	XWHHYOYVRVGJJY-QMMMGPOBSA-N
Molecular Formula	C9H10FNO2

1,195

N-alpha-Benzoyl-L-arginine ethyl ester hydrochloride, 98+%

CAS: 2645-08-1 MDL Number: MFCD00012579

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Specifications

CAS	2645-08-1
MDL Number	MFCD00012579

1,196

L-Glutamine, MP Biomedicals™

CAS: 56-85-9 Molecular Formula: C5H10N2O3 Molecular Weight (g/mol): 146.15 MDL Number: MFCD00008044 InChI Key: ZDXPYRJPNDTMRX-VKHMYHEASA-N Synonym: l-glutamine,glutamine,levoglutamide,l-+-glutamine,glutamic acid amide,h-gln-oh,stimulina,cebrogen,glumin,levoglutamid PubChem CID: 5961 ChEBI: CHEBI:18050 IUPAC Name: (2S)-2-amino-4-carbamoylbutanoic acid SMILES: N[C@@H](CCC(N)=O)C(O)=O

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Specifications

PubChem CID	5961
CAS	56-85-9
Molecular Weight (g/mol)	146.15
ChEBI	CHEBI:18050
MDL Number	MFCD00008044
SMILES	N[C@@H](CCC(N)=O)C(O)=O
Synonym	l-glutamine,glutamine,levoglutamide,l-+-glutamine,glutamic acid amide,h-gln-oh,stimulina,cebrogen,glumin,levoglutamid
IUPAC Name	(2S)-2-amino-4-carbamoylbutanoic acid
InChI Key	ZDXPYRJPNDTMRX-VKHMYHEASA-N
Molecular Formula	C5H10N2O3

1,197

N-(tert-Butoxycarbonyl)-3-(2-naphthyl)-D-alanine 98.0+%, TCI America™

CAS: 76985-10-9 Molecular Formula: C18H21NO4 Molecular Weight (g/mol): 315.37 MDL Number: MFCD00076900 InChI Key: URKWHOVNPHQQTM-OAHLLOKOSA-N Synonym: boc-d-2-nal-oh,boc-3-2-naphthyl-d-alanine,n-tert-butoxycarbonyl-3-2-naphthyl-d-alanine,boc-2-d-nal-oh,r-n-boc-2-naphthylalanine,boc-d-3-2-naphthyl-alanine,n-boc-3-2-naphthyl-d-alanine,n-boc-2-2-naphthyl-d-alanine,r-2-tert-butoxycarbonyl amino-3-naphthalen-2-yl propanoic acid,2r-2-tert-butoxycarbonyl amino-3-naphthalen-2-yl propanoic acid PubChem CID: 2734481 IUPAC Name: (2R)-2-{[(tert-butoxy)carbonyl]amino}-3-(naphthalen-2-yl)propanoic acid SMILES: CC(C)(C)OC(=O)N[C@H](CC1=CC2=CC=CC=C2C=C1)C(O)=O

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Specifications

PubChem CID	2734481
CAS	76985-10-9
Molecular Weight (g/mol)	315.37
MDL Number	MFCD00076900
SMILES	CC(C)(C)OC(=O)N[C@H](CC1=CC2=CC=CC=C2C=C1)C(O)=O
Synonym	boc-d-2-nal-oh,boc-3-2-naphthyl-d-alanine,n-tert-butoxycarbonyl-3-2-naphthyl-d-alanine,boc-2-d-nal-oh,r-n-boc-2-naphthylalanine,boc-d-3-2-naphthyl-alanine,n-boc-3-2-naphthyl-d-alanine,n-boc-2-2-naphthyl-d-alanine,r-2-tert-butoxycarbonyl amino-3-naphthalen-2-yl propanoic acid,2r-2-tert-butoxycarbonyl amino-3-naphthalen-2-yl propanoic acid
IUPAC Name	(2R)-2-{[(tert-butoxy)carbonyl]amino}-3-(naphthalen-2-yl)propanoic acid
InChI Key	URKWHOVNPHQQTM-OAHLLOKOSA-N
Molecular Formula	C18H21NO4

1,198

L-Alanine 99.0+%, TCI America™

CAS: 56-41-7 Molecular Formula: C3H7NO2 Molecular Weight (g/mol): 89.09 MDL Number: MFCD00064410 InChI Key: QNAYBMKLOCPYGJ-REOHCLBHSA-N Synonym: l-alanine,alanine,l-alpha-alanine,s-alanine,s-2-aminopropanoic acid,l-2-aminopropionic acid,2s-2-aminopropanoic acid,h-ala-oh,l-+-alanine,l-2-aminopropanoic acid PubChem CID: 5950 ChEBI: CHEBI:16977 IUPAC Name: (2S)-2-aminopropanoic acid SMILES: C[C@H](N)C(O)=O

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Specifications

PubChem CID	5950
CAS	56-41-7
Molecular Weight (g/mol)	89.09
ChEBI	CHEBI:16977
MDL Number	MFCD00064410
SMILES	C[C@H](N)C(O)=O
Synonym	l-alanine,alanine,l-alpha-alanine,s-alanine,s-2-aminopropanoic acid,l-2-aminopropionic acid,2s-2-aminopropanoic acid,h-ala-oh,l-+-alanine,l-2-aminopropanoic acid
IUPAC Name	(2S)-2-aminopropanoic acid
InChI Key	QNAYBMKLOCPYGJ-REOHCLBHSA-N
Molecular Formula	C3H7NO2

1,199

L-Isoleucine 98.0+%, TCI America™

CAS: 73-32-5 Molecular Formula: C6H13NO2 Molecular Weight (g/mol): 131.18 MDL Number: MFCD00064222 MFCD00004268 InChI Key: AGPKZVBTJJNPAG-WHFBIAKZSA-N Synonym: l-isoleucine,isoleucine,2s,3s-2-amino-3-methylpentanoic acid,s-isoleucine,s,s-isoleucine,2s,3s-isoleucine,2-amino-3-methylvaleric acid,erythro-l-isoleucine,l-+-isoleucine,l-ile PubChem CID: 6306 ChEBI: CHEBI:17191 IUPAC Name: (2S,3S)-2-amino-3-methylpentanoic acid SMILES: CC[C@H](C)[C@H](N)C(O)=O

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Specifications

PubChem CID	6306
CAS	73-32-5
Molecular Weight (g/mol)	131.18
ChEBI	CHEBI:17191
MDL Number	MFCD00064222 MFCD00004268
SMILES	CC[C@H](C)[C@H](N)C(O)=O
Synonym	l-isoleucine,isoleucine,2s,3s-2-amino-3-methylpentanoic acid,s-isoleucine,s,s-isoleucine,2s,3s-isoleucine,2-amino-3-methylvaleric acid,erythro-l-isoleucine,l-+-isoleucine,l-ile
IUPAC Name	(2S,3S)-2-amino-3-methylpentanoic acid
InChI Key	AGPKZVBTJJNPAG-WHFBIAKZSA-N
Molecular Formula	C6H13NO2

1,200

L-Aspartic Acid 99.0+%, TCI America™

CAS: 56-84-8 Molecular Formula: C4H7NO4 Molecular Weight (g/mol): 133.10 MDL Number: MFCD00002616 InChI Key: CKLJMWTZIZZHCS-UHFFFAOYNA-N Synonym: l-aspartic acid,aspartic acid,h-asp-oh,l-aspartate,asparagic acid,aspatofort,l-asparagic acid,l-aminosuccinic acid,s-2-aminosuccinic acid,asparaginic acid PubChem CID: 5960 ChEBI: CHEBI:17053 IUPAC Name: 2-aminobutanedioic acid SMILES: NC(CC(O)=O)C(O)=O

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Specifications

PubChem CID	5960
CAS	56-84-8
Molecular Weight (g/mol)	133.10
ChEBI	CHEBI:17053
MDL Number	MFCD00002616
SMILES	NC(CC(O)=O)C(O)=O
Synonym	l-aspartic acid,aspartic acid,h-asp-oh,l-aspartate,asparagic acid,aspatofort,l-asparagic acid,l-aminosuccinic acid,s-2-aminosuccinic acid,asparaginic acid
IUPAC Name	2-aminobutanedioic acid
InChI Key	CKLJMWTZIZZHCS-UHFFFAOYNA-N
Molecular Formula	C4H7NO4

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