accessibility menu, dialog, popup

Test

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.
Quantity 
  • (13)
  • (5)
  • (1)
  • (2)
  • (21)
  • (2)
  • (2)
  • (1)
  • (1)
  • (20)
  • (3)
  • (5)
  • (22)
  • (3)
  • (5)
  • (1)
  • (4)
  • (1)
Molecular Weight (g/mol) 
  • (6)
  • (5)
  • (1)
  • (1)
  • (9)
  • (1)
  • (7)
  • (3)
  • (3)
  • (5)
  • (12)
  • (3)
  • (3)
  • (2)
  • (2)
  • (1)
  • (1)
  • (3)
  • (1)
  • (1)
  • (3)
  • (12)
  • (2)
  • (3)
  • (3)
  • (3)
  • (4)
  • (1)
  • (1)
  • (2)
  • (2)
  • (2)
  • (3)
Percent Purity 
  • (2)
  • (3)
  • (9)
  • (1)
  • (4)
  • (2)
  • (2)
  • (1)
  • (3)
  • (7)
  • (25)
  • (1)
  • (1)
  • (7)
  • (2)
  • (8)
Grade 
  • (11)
  • (1)
  • (2)
  • (2)
  • (2)
Keyword Search: cysteine Clear all selections

Filtered Search Results

Products from some of our suppliers do not display in filtered search results. Please clear all filters to see these products.

Narrow Results

Selected Filters

Clear all

Keyword Search

cysteine

Narrow Results

Narrow Results

No results found within this category. Try removing some selected filters and try again.

category

brands

  • (2)
  • (1)
  • (1)
  • (1)
  • (3)
  • (5)
  • (2)
  • (4)
  • (7)
  • (13)
  • (71)
  • (2)

special offers

  • (5)

special programs

  • (4)

Quantity

  • (13)
  • (5)
  • (1)
  • (2)
  • (21)
  • (2)
  • (2)
  • (1)
  • (1)
  • (20)
  • (3)
  • (5)
  • (22)
  • (3)
  • (5)
  • (1)
  • (4)
  • (1)

Molecular Weight (g/mol)

  • (6)
  • (5)
  • (1)
  • (1)
  • (9)
  • (1)
  • (7)
  • (3)
  • (3)
  • (5)
  • (12)
  • (3)
  • (3)
  • (2)
  • (2)
  • (1)
  • (1)
  • (3)
  • (1)
  • (1)
  • (3)
  • (12)
  • (2)
  • (3)
  • (3)
  • (3)
  • (4)
  • (1)
  • (1)
  • (2)
  • (2)
  • (2)
  • (3)

Percent Purity

  • (2)
  • (3)
  • (9)
  • (1)
  • (4)
  • (2)
  • (2)
  • (1)
  • (3)
  • (7)
  • (25)
  • (1)
  • (1)
  • (7)
  • (2)
  • (8)

Grade

  • (11)
  • (1)
  • (2)
  • (2)
  • (2)
1 – 15 of 51 results
1

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
2

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

EDGE
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
3

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

EDGE
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
4

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
5

Thermo Scientific Chemicals DL-Cysteine hydrochloride hydrate, 99%

CAS: 96998-61-7 Molecular Formula: C3H8ClNO2S Molecular Weight (g/mol): 157.61 MDL Number: MFCD00151030 InChI Key: IFQSXNOEEPCSLW-UHFFFAOYNA-N Synonym: dl-cysteine hydrochloride monohydrate,2-amino-3-mercaptopropanoic acid hydrochloride hydrate,dl-cystein hydrochloride hydrate,dl-cysteine hydrochloride hydrate,dl-cys hcl h2o,cysteine hydrate hydrochloride,2-amino-3-mercaptopropanoic acid hydrate hydrochloride,2-azanyl-3-sulfanyl-propanoic acid hydrate hydrochloride,pubchem12372,acmc-209fdf PubChem CID: 12219647 IUPAC Name: 2-amino-3-sulfanylpropanoic acid;hydrate;hydrochloride SMILES: Cl.NC(CS)C(O)=O

PubChem CID 12219647
CAS 96998-61-7
Molecular Weight (g/mol) 157.61
MDL Number MFCD00151030
SMILES Cl.NC(CS)C(O)=O
Synonym dl-cysteine hydrochloride monohydrate,2-amino-3-mercaptopropanoic acid hydrochloride hydrate,dl-cystein hydrochloride hydrate,dl-cysteine hydrochloride hydrate,dl-cys hcl h2o,cysteine hydrate hydrochloride,2-amino-3-mercaptopropanoic acid hydrate hydrochloride,2-azanyl-3-sulfanyl-propanoic acid hydrate hydrochloride,pubchem12372,acmc-209fdf
IUPAC Name 2-amino-3-sulfanylpropanoic acid;hydrate;hydrochloride
InChI Key IFQSXNOEEPCSLW-UHFFFAOYNA-N
Molecular Formula C3H8ClNO2S
6

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

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
8

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
9

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
10

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
11

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
12

S-Carboxymethyl-L-cysteine, 97%, Thermo Scientific Chemicals

CAS: 638-23-3 Molecular Formula: C5H9NO4S Molecular Weight (g/mol): 179.19 MDL Number: MFCD00002614 InChI Key: GBFLZEXEOZUWRN-VKHMYHEASA-N Synonym: s-carboxymethyl-l-cysteine,carbocisteine,carbocysteine,carbocistein,transbronchin,bronchokod,lisomucil,mucolase,mucotab PubChem CID: 193653 ChEBI: CHEBI:16163 SMILES: N[C@@H](CSCC(O)=O)C(O)=O

PubChem CID 193653
CAS 638-23-3
Molecular Weight (g/mol) 179.19
ChEBI CHEBI:16163
MDL Number MFCD00002614
SMILES N[C@@H](CSCC(O)=O)C(O)=O
Synonym s-carboxymethyl-l-cysteine,carbocisteine,carbocysteine,carbocistein,transbronchin,bronchokod,lisomucil,mucolase,mucotab
InChI Key GBFLZEXEOZUWRN-VKHMYHEASA-N
Molecular Formula C5H9NO4S
13

DL-Cysteine, 96%, Thermo Scientific Chemicals

CAS: 3374-22-9 Molecular Formula: C3H7NO2S Molecular Weight (g/mol): 121.15 MDL Number: MFCD00004881 InChI Key: XUJNEKJLAYXESH-UHFFFAOYNA-N Synonym: dl-cysteine,cysteine,2-amino-3-mercaptopropanoic acid,dl-cystein,cysteine, dl,+--cysteine,dl-cysteina polish,h-dl-cys-oh,2-amino-3-mercaptopropionic acid,l-hsch2ch nh2 cooh PubChem CID: 594 ChEBI: CHEBI:15356 IUPAC Name: 2-amino-3-sulfanylpropanoic acid SMILES: NC(CS)C(O)=O

PubChem CID 594
CAS 3374-22-9
Molecular Weight (g/mol) 121.15
ChEBI CHEBI:15356
MDL Number MFCD00004881
SMILES NC(CS)C(O)=O
Synonym dl-cysteine,cysteine,2-amino-3-mercaptopropanoic acid,dl-cystein,cysteine, dl,+--cysteine,dl-cysteina polish,h-dl-cys-oh,2-amino-3-mercaptopropionic acid,l-hsch2ch nh2 cooh
IUPAC Name 2-amino-3-sulfanylpropanoic acid
InChI Key XUJNEKJLAYXESH-UHFFFAOYNA-N
Molecular Formula C3H7NO2S
14

D-Cysteine hydrochloride monohydrate, 98%, Thermo Scientific Chemicals

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
15

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