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Amino Acids

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 – 15 of 524 results
1

Thermo Scientific Chemicals N-Acetyl-L-cysteine, 98+%

CAS: 616-91-1 Molecular Formula: C5H9NO3S Molecular Weight (g/mol): 163.191 MDL Number: MFCD00004880 InChI Key: PWKSKIMOESPYIA-BYPYZUCNSA-N Synonym: n-acetyl-l-cysteine,acetylcysteine,n-acetylcysteine,mercapturic acid,acetadote,l-acetylcysteine,broncholysin,fluimucil,mucomyst,fluprowit PubChem CID: 12035 ChEBI: CHEBI:28939 IUPAC Name: (2R)-2-acetamido-3-sulfanylpropanoic acid SMILES: CC(=O)NC(CS)C(=O)O

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PubChem CID 12035
CAS 616-91-1
Molecular Weight (g/mol) 163.191
ChEBI CHEBI:28939
MDL Number MFCD00004880
SMILES CC(=O)NC(CS)C(=O)O
Synonym n-acetyl-l-cysteine,acetylcysteine,n-acetylcysteine,mercapturic acid,acetadote,l-acetylcysteine,broncholysin,fluimucil,mucomyst,fluprowit
IUPAC Name (2R)-2-acetamido-3-sulfanylpropanoic acid
InChI Key PWKSKIMOESPYIA-BYPYZUCNSA-N
Molecular Formula C5H9NO3S
2

Thermo Scientific Chemicals L-Cysteine, 98+%

CAS: 52-90-4 Molecular Formula: C3H7NO2S Molecular Weight (g/mol): 121.154 MDL Number: MFCD00064306 InChI Key: XUJNEKJLAYXESH-REOHCLBHSA-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 IUPAC Name: (2R)-2-amino-3-sulfanylpropanoic acid SMILES: C(C(C(=O)O)N)S

EDGE
PubChem CID 5862
CAS 52-90-4
Molecular Weight (g/mol) 121.154
ChEBI CHEBI:17561
MDL Number MFCD00064306
SMILES C(C(C(=O)O)N)S
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
IUPAC Name (2R)-2-amino-3-sulfanylpropanoic acid
InChI Key XUJNEKJLAYXESH-REOHCLBHSA-N
Molecular Formula C3H7NO2S
3

L-Cysteine Hydrochloride Monohydrate (White Crystals), Fisher BioReagents

CAS: 7048-04-6 Molecular Formula: C3H10ClNO3S Molecular Weight (g/mol): 175.63 InChI Key: QIJRTFXNRTXDIP-JIZZDEOASA-N Synonym: l-cysteine hydrochloride monohydrate,h-cys-oh.hcl.h2o,l-cysteine hydrochloride hydrate,l-cysteine monohydrate monochloride,r-2-amino-3-mercaptopropanoic acid hydrochloride hydrate,unii-zt934n0x4w,l-cysteine hydrate hydrochloride,cysteine hydrochloride monohydrate, l,h-cys-ohhclh2o,cysteine hcl PubChem CID: 23462 IUPAC Name: (2R)-2-amino-3-sulfanylpropanoic acid;hydrate;hydrochloride SMILES: C(C(C(=O)O)N)S.O.Cl

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EDGE
PubChem CID 23462
CAS 7048-04-6
Molecular Weight (g/mol) 175.63
SMILES C(C(C(=O)O)N)S.O.Cl
Synonym l-cysteine hydrochloride monohydrate,h-cys-oh.hcl.h2o,l-cysteine hydrochloride hydrate,l-cysteine monohydrate monochloride,r-2-amino-3-mercaptopropanoic acid hydrochloride hydrate,unii-zt934n0x4w,l-cysteine hydrate hydrochloride,cysteine hydrochloride monohydrate, l,h-cys-ohhclh2o,cysteine hcl
IUPAC Name (2R)-2-amino-3-sulfanylpropanoic acid;hydrate;hydrochloride
InChI Key QIJRTFXNRTXDIP-JIZZDEOASA-N
Molecular Formula C3H10ClNO3S
4

Thermo Scientific Chemicals L-Cysteine hydrochloride monohydrate, 99%

CAS: 7048-04-6 Molecular Formula: C3H10ClNO3S Molecular Weight (g/mol): 175.63 MDL Number: MFCD00065606 InChI Key: QIJRTFXNRTXDIP-JIZZDEOASA-N Synonym: l-cysteine hydrochloride monohydrate,h-cys-oh.hcl.h2o,l-cysteine hydrochloride hydrate,l-cysteine monohydrate monochloride,r-2-amino-3-mercaptopropanoic acid hydrochloride hydrate,unii-zt934n0x4w,l-cysteine hydrate hydrochloride,cysteine hydrochloride monohydrate, l,h-cys-ohhclh2o,cysteine hcl PubChem CID: 23462 IUPAC Name: (2R)-2-amino-3-sulfanylpropanoic acid;hydrate;hydrochloride SMILES: C(C(C(=O)O)N)S.O.Cl

PubChem CID 23462
CAS 7048-04-6
Molecular Weight (g/mol) 175.63
MDL Number MFCD00065606
SMILES C(C(C(=O)O)N)S.O.Cl
Synonym l-cysteine hydrochloride monohydrate,h-cys-oh.hcl.h2o,l-cysteine hydrochloride hydrate,l-cysteine monohydrate monochloride,r-2-amino-3-mercaptopropanoic acid hydrochloride hydrate,unii-zt934n0x4w,l-cysteine hydrate hydrochloride,cysteine hydrochloride monohydrate, l,h-cys-ohhclh2o,cysteine hcl
IUPAC Name (2R)-2-amino-3-sulfanylpropanoic acid;hydrate;hydrochloride
InChI Key QIJRTFXNRTXDIP-JIZZDEOASA-N
Molecular Formula C3H10ClNO3S
5

Thermo Scientific Chemicals L-Cysteine, Cell Culture Reagent

CAS: 52-90-4 Molecular Formula: C3H7NO2S Molecular Weight (g/mol): 121.154 MDL Number: MFCD00064306 InChI Key: XUJNEKJLAYXESH-REOHCLBHSA-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 IUPAC Name: (2R)-2-amino-3-sulfanylpropanoic acid SMILES: C(C(C(=O)O)N)S

PubChem CID 5862
CAS 52-90-4
Molecular Weight (g/mol) 121.154
ChEBI CHEBI:17561
MDL Number MFCD00064306
SMILES C(C(C(=O)O)N)S
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
IUPAC Name (2R)-2-amino-3-sulfanylpropanoic acid
InChI Key XUJNEKJLAYXESH-REOHCLBHSA-N
Molecular Formula C3H7NO2S
6

Thermo Scientific Chemicals D-Cysteine, 99%

CAS: 921-01-7 Molecular Formula: C3H7NO2S Molecular Weight (g/mol): 121.15 MDL Number: MFCD00066461 InChI Key: XUJNEKJLAYXESH-RUOZJJLTNA-N Synonym: d-cysteine,d-cystein,2s-2-amino-3-sulfanylpropanoic acid,d-zystein,cysteine, d,s-2-amino-3-mercaptopropanoic acid,d-amino-3-mercaptopropionic acid,d-cys,h-d-cys-oh,cysteine PubChem CID: 92851 ChEBI: CHEBI:16375 IUPAC Name: (2S)-2-amino-3-sulfanylpropanoic acid SMILES: N[C@H](CS)C(O)=O

PubChem CID 92851
CAS 921-01-7
Molecular Weight (g/mol) 121.15
ChEBI CHEBI:16375
MDL Number MFCD00066461
SMILES N[C@H](CS)C(O)=O
Synonym d-cysteine,d-cystein,2s-2-amino-3-sulfanylpropanoic acid,d-zystein,cysteine, d,s-2-amino-3-mercaptopropanoic acid,d-amino-3-mercaptopropionic acid,d-cys,h-d-cys-oh,cysteine
IUPAC Name (2S)-2-amino-3-sulfanylpropanoic acid
InChI Key XUJNEKJLAYXESH-RUOZJJLTNA-N
Molecular Formula C3H7NO2S
7

Thermo Scientific Chemicals Se-methylseleno-L-cysteine, 98%

CAS: 26046-90-2 Molecular Formula: C4H9NO2Se Molecular Weight (g/mol): 182.092 MDL Number: MFCD00800565 InChI Key: XDSSPSLGNGIIHP-VKHMYHEASA-N Synonym: methylselenocysteine,se-methylselenocysteine,se-methyl-l-selenocysteine,3-methylseleno-l-alanine,selenium-methylselenocystine,r-2-amino-3-methylselanyl propanoic acid,se-methyl-seleno-l-cysteine,unii-twk220499z,ccris 5465,l-alanine, 3-methylseleno PubChem CID: 147004 ChEBI: CHEBI:27812 IUPAC Name: (2R)-2-amino-3-methylselanylpropanoic acid SMILES: C[Se]CC(C(=O)O)N

PubChem CID 147004
CAS 26046-90-2
Molecular Weight (g/mol) 182.092
ChEBI CHEBI:27812
MDL Number MFCD00800565
SMILES C[Se]CC(C(=O)O)N
Synonym methylselenocysteine,se-methylselenocysteine,se-methyl-l-selenocysteine,3-methylseleno-l-alanine,selenium-methylselenocystine,r-2-amino-3-methylselanyl propanoic acid,se-methyl-seleno-l-cysteine,unii-twk220499z,ccris 5465,l-alanine, 3-methylseleno
IUPAC Name (2R)-2-amino-3-methylselanylpropanoic acid
InChI Key XDSSPSLGNGIIHP-VKHMYHEASA-N
Molecular Formula C4H9NO2Se
8

L-Cysteine, Spectrum™ Chemical
SDP

CAS: 52-90-4

CAS 52-90-4
9

D-Cysteine, 98%, Thermo Scientific Chemicals

CAS: 921-01-7 Molecular Formula: C3H7NO2S Molecular Weight (g/mol): 121.15 MDL Number: MFCD00066461 InChI Key: XUJNEKJLAYXESH-RUOZJJLTNA-N Synonym: d-cysteine,d-cystein,2s-2-amino-3-sulfanylpropanoic acid,d-zystein,cysteine, d,s-2-amino-3-mercaptopropanoic acid,d-amino-3-mercaptopropionic acid,d-cys,h-d-cys-oh,cysteine PubChem CID: 92851 ChEBI: CHEBI:16375 IUPAC Name: (2S)-2-amino-3-sulfanylpropanoic acid SMILES: N[C@H](CS)C(O)=O

PubChem CID 92851
CAS 921-01-7
Molecular Weight (g/mol) 121.15
ChEBI CHEBI:16375
MDL Number MFCD00066461
SMILES N[C@H](CS)C(O)=O
Synonym d-cysteine,d-cystein,2s-2-amino-3-sulfanylpropanoic acid,d-zystein,cysteine, d,s-2-amino-3-mercaptopropanoic acid,d-amino-3-mercaptopropionic acid,d-cys,h-d-cys-oh,cysteine
IUPAC Name (2S)-2-amino-3-sulfanylpropanoic acid
InChI Key XUJNEKJLAYXESH-RUOZJJLTNA-N
Molecular Formula C3H7NO2S
10

Thermo Scientific Chemicals L-Cysteine hydrochloride, anhydrous, 98%

CAS: 52-89-1 Molecular Formula: C3H8ClNO2S Molecular Weight (g/mol): 157.61 MDL Number: MFCD00064553 InChI Key: IFQSXNOEEPCSLW-QYLAHFPANA-N Synonym: l-cysteine hydrochloride,cystein chloride,r-cysteine hydrochloride,l-cysteine.hcl,cysteine monohydrochloride,l-+-cysteine hydrochloride,l-cysteine, hydrochloride,l-cysteine monohydrochloride,cysteine hcl,l-cysteine hydrochloride anhydrous PubChem CID: 60960 IUPAC Name: (2R)-2-amino-3-sulfanylpropanoic acid;hydrochloride SMILES: Cl.N[C@@H](CS)C(O)=O

PubChem CID 60960
CAS 52-89-1
Molecular Weight (g/mol) 157.61
MDL Number MFCD00064553
SMILES Cl.N[C@@H](CS)C(O)=O
Synonym l-cysteine hydrochloride,cystein chloride,r-cysteine hydrochloride,l-cysteine.hcl,cysteine monohydrochloride,l-+-cysteine hydrochloride,l-cysteine, hydrochloride,l-cysteine monohydrochloride,cysteine hcl,l-cysteine hydrochloride anhydrous
IUPAC Name (2R)-2-amino-3-sulfanylpropanoic acid;hydrochloride
InChI Key IFQSXNOEEPCSLW-QYLAHFPANA-N
Molecular Formula C3H8ClNO2S
11

Thermo Scientific Chemicals L-Cysteine methyl ester hydrochloride

CAS: 18598-63-5 Molecular Formula: C4H10ClNO2S Molecular Weight (g/mol): 171.639 MDL Number: MFCD00038998 InChI Key: WHOHXJZQBJXAKL-DFWYDOINSA-N Synonym: l-cysteine methyl ester hydrochloride,methyl l-cysteinate hydrochloride,h-cys-ome.hcl,l-cystein methyl ester hydrochloride,acdrile,actiol,mecysteine hydrochloride,cysteine methyl ester hydrochloride,r-methyl 2-amino-3-mercaptopropanoate hydrochloride PubChem CID: 2733208 IUPAC Name: methyl (2R)-2-amino-3-sulfanylpropanoate;hydrochloride SMILES: COC(=O)C(CS)N.Cl

PubChem CID 2733208
CAS 18598-63-5
Molecular Weight (g/mol) 171.639
MDL Number MFCD00038998
SMILES COC(=O)C(CS)N.Cl
Synonym l-cysteine methyl ester hydrochloride,methyl l-cysteinate hydrochloride,h-cys-ome.hcl,l-cystein methyl ester hydrochloride,acdrile,actiol,mecysteine hydrochloride,cysteine methyl ester hydrochloride,r-methyl 2-amino-3-mercaptopropanoate hydrochloride
IUPAC Name methyl (2R)-2-amino-3-sulfanylpropanoate;hydrochloride
InChI Key WHOHXJZQBJXAKL-DFWYDOINSA-N
Molecular Formula C4H10ClNO2S
12

Thermo Scientific Chemicals D-Cysteine hydrochloride monohydrate, 99%

CAS: 207121-46-8 Molecular Formula: C3H10ClNO3S Molecular Weight (g/mol): 175.627 MDL Number: MFCD00150051 InChI Key: QIJRTFXNRTXDIP-YBBRRFGFSA-N Synonym: d-cysteine hydrochloride monohydrate,s-2-amino-3-mercaptopropanoic acid hydrochloride hydrate,d-cysteine*hcl*h2o,d-cysteine hydrochloride hydrate,h-d-cys-oh.hcl.h2o,d-cysteine hydrate hydrochloride,c3h7no2s.hcl.h2o,d-cysteine hcl monohydrate,pubchem12314,h-d-cys-oh??hcl??h2o PubChem CID: 10176341 IUPAC Name: (2S)-2-amino-3-sulfanylpropanoic acid;hydrate;hydrochloride SMILES: C(C(C(=O)O)N)S.O.Cl

PubChem CID 10176341
CAS 207121-46-8
Molecular Weight (g/mol) 175.627
MDL Number MFCD00150051
SMILES C(C(C(=O)O)N)S.O.Cl
Synonym d-cysteine hydrochloride monohydrate,s-2-amino-3-mercaptopropanoic acid hydrochloride hydrate,d-cysteine*hcl*h2o,d-cysteine hydrochloride hydrate,h-d-cys-oh.hcl.h2o,d-cysteine hydrate hydrochloride,c3h7no2s.hcl.h2o,d-cysteine hcl monohydrate,pubchem12314,h-d-cys-oh??hcl??h2o
IUPAC Name (2S)-2-amino-3-sulfanylpropanoic acid;hydrate;hydrochloride
InChI Key QIJRTFXNRTXDIP-YBBRRFGFSA-N
Molecular Formula C3H10ClNO3S
13

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

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
14

DL-Cysteine hydrochloride, 90+%, Thermo Scientific Chemicals

CAS: 10318-18-0 Molecular Formula: C3H8ClNO2S Molecular Weight (g/mol): 157.61 MDL Number: MFCD00064552,MFCD00012632 InChI Key: IFQSXNOEEPCSLW-UHFFFAOYNA-N Synonym: dl-cysteine hydrochloride,2-amino-3-mercaptopropanoic acid hydrochloride,cysteine hydrochloride,+--cysteine hydrochloride,dl-cysteine hcl,h-dl-cys-oh.hcl,cysteine, hydrochloride, dl,dl-cysteine hydrochloride hydrate,dl-cysteine hydrochloride anhydrous,2-amino-3-sulfanylpropanoic acid hydrochloride PubChem CID: 25150 IUPAC Name: 2-amino-3-sulfanylpropanoic acid;hydrochloride SMILES: [H+].[Cl-].NC(CS)C(O)=O

PubChem CID 25150
CAS 10318-18-0
Molecular Weight (g/mol) 157.61
MDL Number MFCD00064552,MFCD00012632
SMILES [H+].[Cl-].NC(CS)C(O)=O
Synonym dl-cysteine hydrochloride,2-amino-3-mercaptopropanoic acid hydrochloride,cysteine hydrochloride,+--cysteine hydrochloride,dl-cysteine hcl,h-dl-cys-oh.hcl,cysteine, hydrochloride, dl,dl-cysteine hydrochloride hydrate,dl-cysteine hydrochloride anhydrous,2-amino-3-sulfanylpropanoic acid hydrochloride
IUPAC Name 2-amino-3-sulfanylpropanoic acid;hydrochloride
InChI Key IFQSXNOEEPCSLW-UHFFFAOYNA-N
Molecular Formula C3H8ClNO2S
15

L-Cysteine, 99.5%, MP Biomedicals™

CAS: 52-90-4 Molecular Formula: C3H7NO2S Molecular Weight (g/mol): 121.154 InChI Key: XUJNEKJLAYXESH-REOHCLBHSA-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 IUPAC Name: (2R)-2-amino-3-sulfanylpropanoic acid SMILES: C(C(C(=O)O)N)S

PubChem CID 5862
CAS 52-90-4
Molecular Weight (g/mol) 121.154
ChEBI CHEBI:17561
SMILES C(C(C(=O)O)N)S
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
IUPAC Name (2R)-2-amino-3-sulfanylpropanoic acid
InChI Key XUJNEKJLAYXESH-REOHCLBHSA-N
Molecular Formula C3H7NO2S