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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 53 results
1

L-Histidine, 99+%, [Free Base], MP Biomedicals

CAS: 71-00-1 Molecular Formula: C6H9N3O2 Molecular Weight (g/mol): 155.16 MDL Number: MFCD00064315 InChI Key: HNDVDQJCIGZPNO-UHFFFAOYNA-N Synonym: l-histidine,histidine,h-his-oh,glyoxaline-5-alanine,anti-rheuma,l---histidine,istidina,s-histidine,l-histidin PubChem CID: 6274 ChEBI: CHEBI:15971 IUPAC Name: 2-amino-3-(1H-imidazol-5-yl)propanoic acid SMILES: NC(CC1=CN=CN1)C(O)=O

PubChem CID 6274
CAS 71-00-1
Molecular Weight (g/mol) 155.16
ChEBI CHEBI:15971
MDL Number MFCD00064315
SMILES NC(CC1=CN=CN1)C(O)=O
Synonym l-histidine,histidine,h-his-oh,glyoxaline-5-alanine,anti-rheuma,l---histidine,istidina,s-histidine,l-histidin
IUPAC Name 2-amino-3-(1H-imidazol-5-yl)propanoic acid
InChI Key HNDVDQJCIGZPNO-UHFFFAOYNA-N
Molecular Formula C6H9N3O2
2

L-Histidine, free base, ≥99%, MP Biomedicals™

CAS: 71-00-1 Molecular Formula: C6H9N3O2 Molecular Weight (g/mol): 155.16 MDL Number: MFCD00064315 InChI Key: HNDVDQJCIGZPNO-UHFFFAOYNA-N Synonym: l-histidine,histidine,h-his-oh,glyoxaline-5-alanine,anti-rheuma,l---histidine,istidina,s-histidine,l-histidin PubChem CID: 6274 ChEBI: CHEBI:15971 SMILES: NC(CC1=CN=CN1)C(O)=O

PubChem CID 6274
CAS 71-00-1
Molecular Weight (g/mol) 155.16
ChEBI CHEBI:15971
MDL Number MFCD00064315
SMILES NC(CC1=CN=CN1)C(O)=O
Synonym l-histidine,histidine,h-his-oh,glyoxaline-5-alanine,anti-rheuma,l---histidine,istidina,s-histidine,l-histidin
InChI Key HNDVDQJCIGZPNO-UHFFFAOYNA-N
Molecular Formula C6H9N3O2
3

DL-Histidine hydrochloride, monohydrate, 98%

CAS: 123333-71-1 Molecular Formula: C6H10ClN3O2 Molecular Weight (g/mol): 191.62 MDL Number: MFCD00064555 InChI Key: QZNNVYOVQUKYSC-JEDNCBNOSA-N Synonym: hydrogen dl-histidine chloride,2-amino-3-1h-imidazol-5-yl propanoic acid; hydron; chloride,2-azanyl-3-1h-imidazol-5-yl propanoic acid; hydron; chloride PubChem CID: 53395185 IUPAC Name: 2-amino-3-(1H-imidazol-5-yl)propanoic acid;hydron;chloride SMILES: [H+].[Cl-].N[C@@H](CC1=CN=CN1)C(O)=O

PubChem CID 53395185
CAS 123333-71-1
Molecular Weight (g/mol) 191.62
MDL Number MFCD00064555
SMILES [H+].[Cl-].N[C@@H](CC1=CN=CN1)C(O)=O
Synonym hydrogen dl-histidine chloride,2-amino-3-1h-imidazol-5-yl propanoic acid; hydron; chloride,2-azanyl-3-1h-imidazol-5-yl propanoic acid; hydron; chloride
IUPAC Name 2-amino-3-(1H-imidazol-5-yl)propanoic acid;hydron;chloride
InChI Key QZNNVYOVQUKYSC-JEDNCBNOSA-N
Molecular Formula C6H10ClN3O2
4

L-Histidine Monohydrochloride Monohydrate, MP Biomedical

CAS: 5934-29-2 Molecular Formula: C6H12ClN3O3 Molecular Weight (g/mol): 209.63 MDL Number: MFCD00151027 InChI Key: CMXXUDSWGMGYLZ-XRIGFGBMSA-N Synonym: l-histidine hydrochloride hydrate,l-histidine hydrochloride monohydrate,s-2-amino-3-1h-imidazol-4-yl propanoic acid hydrochloride hydrate,h-his-oh.hcl.h2o,l-histidine monohydrochloride monohydrate,l-histidine, monohydrochloride, monohydrate,l-histidin hydrate hydrochloride,histidine, monohydrochloride, monohydrate, l,h-his-ohhclh2o,l-histidine, hydrochloride, monohydrate PubChem CID: 165377 IUPAC Name: (2S)-2-amino-3-(1H-imidazol-4-yl)propanoic acid hydrate hydrochloride SMILES: O.Cl.N[C@@H](CC1=CNC=N1)C(O)=O

PubChem CID 165377
CAS 5934-29-2
Molecular Weight (g/mol) 209.63
MDL Number MFCD00151027
SMILES O.Cl.N[C@@H](CC1=CNC=N1)C(O)=O
Synonym l-histidine hydrochloride hydrate,l-histidine hydrochloride monohydrate,s-2-amino-3-1h-imidazol-4-yl propanoic acid hydrochloride hydrate,h-his-oh.hcl.h2o,l-histidine monohydrochloride monohydrate,l-histidine, monohydrochloride, monohydrate,l-histidin hydrate hydrochloride,histidine, monohydrochloride, monohydrate, l,h-his-ohhclh2o,l-histidine, hydrochloride, monohydrate
IUPAC Name (2S)-2-amino-3-(1H-imidazol-4-yl)propanoic acid hydrate hydrochloride
InChI Key CMXXUDSWGMGYLZ-XRIGFGBMSA-N
Molecular Formula C6H12ClN3O3
5

Melford L-Histidine

Pyrogen free.

CAS 71-00-1
Chemical Name or Material L-Histidine
Molecular Formula C6H9N3O2
6

L-Histidine, TRC

CAS: 71-00-1 Molecular Formula: C6 H9 N3 O2 Molecular Weight (g/mol): 155.15 Synonym: Histidine,(S)-2-Amino-3-(imidazol-4-yl)propanoic acid,L-Histidine (ACI),Histidine, L- (8CI),(2S)-2-Amino-3-(1H-imidazol-4-yl)propanoic acid,(2S)-2-Azaniumyl-3-(1H-imidazol-5-yl)propanoate,(S)-2-Amino-3-(1H-imidazol-4-yl)propanoic acid,(S)-4-(2-Amino-2-carboxyethyl)imidazole,(S)-Histidine,(S)-α-Amino-1H-imidazole-4-propanoic acid,1H-Imidazole-4-alanine, (S)-,1H-Imidazole-4-propanoic acid, α-amino-, (S)-,L-(-)-Histidine,L-Alanine, 3-(1H-imidazol-4-yl)-,Glyoxaline-5-alanine,NSC 137773 IUPAC Name: (2S)-2-amino-3-(1H-imidazol-4-yl)propanoic acid SMILES: N[C@@H](Cc1c[nH]cn1)C(=O)O

CAS 71-00-1
Molecular Weight (g/mol) 155.15
SMILES N[C@@H](Cc1c[nH]cn1)C(=O)O
Synonym Histidine,(S)-2-Amino-3-(imidazol-4-yl)propanoic acid,L-Histidine (ACI),Histidine, L- (8CI),(2S)-2-Amino-3-(1H-imidazol-4-yl)propanoic acid,(2S)-2-Azaniumyl-3-(1H-imidazol-5-yl)propanoate,(S)-2-Amino-3-(1H-imidazol-4-yl)propanoic acid,(S)-4-(2-Amino-2-carboxyethyl)imidazole,(S)-Histidine,(S)-α-Amino-1H-imidazole-4-propanoic acid,1H-Imidazole-4-alanine, (S)-,1H-Imidazole-4-propanoic acid, α-amino-, (S)-,L-(-)-Histidine,L-Alanine, 3-(1H-imidazol-4-yl)-,Glyoxaline-5-alanine,NSC 137773
IUPAC Name (2S)-2-amino-3-(1H-imidazol-4-yl)propanoic acid
Molecular Formula C6 H9 N3 O2
7

D-Histidine, TRC

CAS: 351-50-8 Molecular Formula: C6 H9 N3 O2 Molecular Weight (g/mol): 155.15 Synonym: (R)-2-Amino-3-(4-imidazolyl)propanoic acid IUPAC Name: (2R)-2-amino-3-(1H-imidazol-4-yl)propanoic acid SMILES: N[C@H](Cc1c[nH]cn1)C(=O)O

CAS 351-50-8
Molecular Weight (g/mol) 155.15
SMILES N[C@H](Cc1c[nH]cn1)C(=O)O
Synonym (R)-2-Amino-3-(4-imidazolyl)propanoic acid
IUPAC Name (2R)-2-amino-3-(1H-imidazol-4-yl)propanoic acid
Molecular Formula C6 H9 N3 O2
8

Melford L-Histidine HCl

L-Histidine Hydrochloride Monohydrate is a compound commonly used in life science research, particularly in biochemistry and molecular biology.

9

L-Histidine, MedChemExpress

MedChemExpress L-Histidine is an essential amino acid for infants. L-Histidine is an inhibitor of mitochondrial glutamine transport.

ENCOMPASS_PREFERRED
10

Thermo Scientific Chemicals L-Histidine, 98%

CAS: 71-00-1 Molecular Formula: C6H9N3O2 Molecular Weight (g/mol): 155.16 MDL Number: MFCD00064315 InChI Key: HNDVDQJCIGZPNO-UHFFFAOYNA-N Synonym: l-histidine,histidine,h-his-oh,glyoxaline-5-alanine,anti-rheuma,l---histidine,istidina,s-histidine,l-histidin PubChem CID: 6274 ChEBI: CHEBI:15971 IUPAC Name: (2S)-2-amino-3-(1H-imidazol-5-yl)propanoic acid SMILES: NC(CC1=CN=CN1)C(O)=O

EDGE
PubChem CID 6274
CAS 71-00-1
Molecular Weight (g/mol) 155.16
ChEBI CHEBI:15971
MDL Number MFCD00064315
SMILES NC(CC1=CN=CN1)C(O)=O
Synonym l-histidine,histidine,h-his-oh,glyoxaline-5-alanine,anti-rheuma,l---histidine,istidina,s-histidine,l-histidin
IUPAC Name (2S)-2-amino-3-(1H-imidazol-5-yl)propanoic acid
InChI Key HNDVDQJCIGZPNO-UHFFFAOYNA-N
Molecular Formula C6H9N3O2
11

Thermo Scientific Chemicals L-Histidine, 98+%

CAS: 71-00-1 Molecular Formula: C6H9N3O2 Molecular Weight (g/mol): 155.16 MDL Number: MFCD00064315 InChI Key: HNDVDQJCIGZPNO-UHFFFAOYNA-N Synonym: l-histidine,histidine,h-his-oh,glyoxaline-5-alanine,anti-rheuma,l---histidine,istidina,s-histidine,l-histidin PubChem CID: 6274 ChEBI: CHEBI:15971 SMILES: NC(CC1=CN=CN1)C(O)=O

EDGE
PubChem CID 6274
CAS 71-00-1
Molecular Weight (g/mol) 155.16
ChEBI CHEBI:15971
MDL Number MFCD00064315
SMILES NC(CC1=CN=CN1)C(O)=O
Synonym l-histidine,histidine,h-his-oh,glyoxaline-5-alanine,anti-rheuma,l---histidine,istidina,s-histidine,l-histidin
InChI Key HNDVDQJCIGZPNO-UHFFFAOYNA-N
Molecular Formula C6H9N3O2
12

Thermo Scientific Chemicals D-Histidine, 99%

CAS: 351-50-8 Molecular Formula: C6H9N3O2 Molecular Weight (g/mol): 155.16 MDL Number: MFCD00065963 InChI Key: HNDVDQJCIGZPNO-RXMQYKEDSA-N Synonym: d-histidine,h-d-his-oh,d-histidin,r-2-amino-3-1h-imidazol-4-yl propanoic acid,d-his,2r-2-amino-3-1h-imidazol-4-yl propanoic acid,r-2-amino-3-4-imidazolyl propionic acid,2r-2-amino-3-1h-imidazol-5-yl propanoic acid,r-alpha-amino-1h-imidazole-4-propionic acid,d-alpha-amino-beta-4-imidazolyl propionic acid PubChem CID: 71083 ChEBI: CHEBI:27947 IUPAC Name: (2R)-2-amino-3-(1H-imidazol-5-yl)propanoic acid SMILES: N[C@H](CC1=CN=CN1)C(O)=O

EDGE
PubChem CID 71083
CAS 351-50-8
Molecular Weight (g/mol) 155.16
ChEBI CHEBI:27947
MDL Number MFCD00065963
SMILES N[C@H](CC1=CN=CN1)C(O)=O
Synonym d-histidine,h-d-his-oh,d-histidin,r-2-amino-3-1h-imidazol-4-yl propanoic acid,d-his,2r-2-amino-3-1h-imidazol-4-yl propanoic acid,r-2-amino-3-4-imidazolyl propionic acid,2r-2-amino-3-1h-imidazol-5-yl propanoic acid,r-alpha-amino-1h-imidazole-4-propionic acid,d-alpha-amino-beta-4-imidazolyl propionic acid
IUPAC Name (2R)-2-amino-3-(1H-imidazol-5-yl)propanoic acid
InChI Key HNDVDQJCIGZPNO-RXMQYKEDSA-N
Molecular Formula C6H9N3O2
13

L-Histidine hydrochloride monohydrate, 98%

CAS: 5934-29-2 Molecular Formula: C6H12ClN3O3 Molecular Weight (g/mol): 209.63 MDL Number: MFCD00151027 InChI Key: CMXXUDSWGMGYLZ-XRIGFGBMSA-N Synonym: l-histidine hydrochloride hydrate,l-histidine hydrochloride monohydrate,s-2-amino-3-1h-imidazol-4-yl propanoic acid hydrochloride hydrate,h-his-oh.hcl.h2o,l-histidine monohydrochloride monohydrate,l-histidine, monohydrochloride, monohydrate,l-histidin hydrate hydrochloride,histidine, monohydrochloride, monohydrate, l,h-his-ohhclh2o,l-histidine, hydrochloride, monohydrate PubChem CID: 165377 IUPAC Name: (2S)-2-amino-3-(1H-imidazol-4-yl)propanoic acid hydrate hydrochloride SMILES: O.Cl.N[C@@H](CC1=CNC=N1)C(O)=O

EDGE
PubChem CID 165377
CAS 5934-29-2
Molecular Weight (g/mol) 209.63
MDL Number MFCD00151027
SMILES O.Cl.N[C@@H](CC1=CNC=N1)C(O)=O
Synonym l-histidine hydrochloride hydrate,l-histidine hydrochloride monohydrate,s-2-amino-3-1h-imidazol-4-yl propanoic acid hydrochloride hydrate,h-his-oh.hcl.h2o,l-histidine monohydrochloride monohydrate,l-histidine, monohydrochloride, monohydrate,l-histidin hydrate hydrochloride,histidine, monohydrochloride, monohydrate, l,h-his-ohhclh2o,l-histidine, hydrochloride, monohydrate
IUPAC Name (2S)-2-amino-3-(1H-imidazol-4-yl)propanoic acid hydrate hydrochloride
InChI Key CMXXUDSWGMGYLZ-XRIGFGBMSA-N
Molecular Formula C6H12ClN3O3
14

Thermo Scientific Chemicals L-Histidine monohydrochloride monohydrate, 99%

CAS: 5934-29-2 Molecular Formula: C6H12ClN3O3 Molecular Weight (g/mol): 209.63 MDL Number: MFCD00151027 InChI Key: CMXXUDSWGMGYLZ-XRIGFGBMSA-N Synonym: l-histidine hydrochloride hydrate,l-histidine hydrochloride monohydrate,s-2-amino-3-1h-imidazol-4-yl propanoic acid hydrochloride hydrate,h-his-oh.hcl.h2o,l-histidine monohydrochloride monohydrate,l-histidine, monohydrochloride, monohydrate,l-histidin hydrate hydrochloride,histidine, monohydrochloride, monohydrate, l,h-his-ohhclh2o,l-histidine, hydrochloride, monohydrate PubChem CID: 165377 IUPAC Name: (2S)-2-amino-3-(1H-imidazol-4-yl)propanoic acid hydrate hydrochloride SMILES: O.Cl.N[C@@H](CC1=CNC=N1)C(O)=O

EDGE
PubChem CID 165377
CAS 5934-29-2
Molecular Weight (g/mol) 209.63
MDL Number MFCD00151027
SMILES O.Cl.N[C@@H](CC1=CNC=N1)C(O)=O
Synonym l-histidine hydrochloride hydrate,l-histidine hydrochloride monohydrate,s-2-amino-3-1h-imidazol-4-yl propanoic acid hydrochloride hydrate,h-his-oh.hcl.h2o,l-histidine monohydrochloride monohydrate,l-histidine, monohydrochloride, monohydrate,l-histidin hydrate hydrochloride,histidine, monohydrochloride, monohydrate, l,h-his-ohhclh2o,l-histidine, hydrochloride, monohydrate
IUPAC Name (2S)-2-amino-3-(1H-imidazol-4-yl)propanoic acid hydrate hydrochloride
InChI Key CMXXUDSWGMGYLZ-XRIGFGBMSA-N
Molecular Formula C6H12ClN3O3
15

Thermo Scientific Chemicals DL-Histidine monohydrochloride monohydrate, 99%

CAS: 123333-71-1 Molecular Formula: C6H12ClN3O3 Molecular Weight (g/mol): 209.63 MDL Number: MFCD00151028 InChI Key: CMXXUDSWGMGYLZ-UHFFFAOYSA-N Synonym: dl-histidine; hypochlorous acid PubChem CID: 44828786 IUPAC Name: 2-amino-3-(1H-imidazol-5-yl)propanoic acid;hydron;chloride;hydrate SMILES: [H+].C1=C(NC=N1)CC(C(=O)O)N.O.[Cl-]

PubChem CID 44828786
CAS 123333-71-1
Molecular Weight (g/mol) 209.63
MDL Number MFCD00151028
SMILES [H+].C1=C(NC=N1)CC(C(=O)O)N.O.[Cl-]
Synonym dl-histidine; hypochlorous acid
IUPAC Name 2-amino-3-(1H-imidazol-5-yl)propanoic acid;hydron;chloride;hydrate
InChI Key CMXXUDSWGMGYLZ-UHFFFAOYSA-N
Molecular Formula C6H12ClN3O3