DL-Histidine
-
DL-Histidine
structure -
-
CAS No:
4998-57-6
-
Formula:
C6H9N3O2
-
Chemical Name:
DL-Histidine
-
Synonyms:
Histidine;Histidine,DL-;DL-Histidine;(±)-Histidine;1H-Imidazole-4-alanine;2-Amino-3-(1H-imidazol-5-yl)propanoic acid;2-Amino-3-(5-imidazolyl)propanoic acid;2-Amino-3-(1H-imidazol-4-yl)propanoic acid;184709-11-3
- Categories:
-
CAS No:
Description
white to slightly yellow crystalline powder
Histidine is an alpha-amino acid that is propanoic acid bearing an amino substituent at position 2 and a 1H-imidazol-4-yl group at position 3. It has a role as a metabolite. It is an alpha-amino acid, a member of imidazoles, an aromatic amino acid and a polar amino acid. It contains a 1H-imidazol-4-ylmethyl group. It is a conjugate base of a histidinium(1+). It is a conjugate acid of a histidinate(1-).
Characteristics
92
-3.2
white crystals
1.4±0.1 g/cm3
828 °C
458.9°C at 760 mmHg
231.3±25.9 °C
1.615
0.5 M HCl: soluble
Store at RT.
Safety Information
NONH for all modes of transport
3
22-36/37/38
22-24/25-36/37-26
Xn
Stable under normal temperatures and pressures.
DL-Histidine Use and Manufacturing
Using L-histidine hydrochloride as raw material, adding acetic anhydride under alkaline conditions for acylation reaction, extracting with ethanol and precipitating with excess acetone to obtain acetyl-DL-histidine; Reflux for several hours, ethanol precipitation to obtain crude DL-histidine, and then crystallization purification to obtain pure product.
Used for biochemical research.
Histidine: ACTIVE
Computed Properties
Molecular Weight:155.15
XLogP3:-3.2
Hydrogen Bond Donor Count:3
Hydrogen Bond Acceptor Count:4
Rotatable Bond Count:3
Exact Mass:155.069476538
Monoisotopic Mass:155.069476538
Topological Polar Surface Area:92
Heavy Atom Count:11
Complexity:151
Undefined Atom Stereocenter Count:1
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
Recommended Suppliers of DL-Histidine
-
![China]()
CN
5 YRS
Business licensed Certified factoryManufactory Supplier of Chemical Pesticides,Food Additives,Agrochemicals,Active Pharm Ingredients,Flavors and Fragrances,Chemical Catalyst,Chemical Materials,Chem&Pharm Intermediates,Organic Intermediates,Feed AdditiveInquiryCAS No.: 4998-57-6Grade: Industrial GradeContent: 99% -
![China]()
CN
5 YRS
Business licensedTrader Supplier of Intermediates,Building blocks,API,Silicones,Peptides,Lab chemicals,Biochemicals,Pharmaceuticals,Screening Compounds,Food Additives -
![China]()
CN
5 YRS
Business licensedTrader Supplier of PVC resin,pvc paste resin,melamineInquiryCAS No.: 4998-57-6Grade: Industrial GradeContent: 99% -
![China]()
CN
3 YRS
Business licensedTrader Supplier of CHEMICALS,REAGENTSInquiryCAS No.: 4998-57-6Grade: Pharmaceutical GradeContent: 99%
Learn More Other Chemicals
-
DL-Histidine monohydrochloride monohydrate
123333-71-1
-
(9β,11β,16β)-21-(Acetyloxy)-9,11-epoxy-17-hydroxy-16-methylpregna-1,4-diene-3,20-dione
912-38-9
-
(S)-4-Thiazolidinecarboxylic acid
45521-09-3
-
DL-CYSTINEHYDROCHLORIDE Formula
90350-38-2
-
Peptones, beef Formula
91079-38-8
-
Epidermal Growth Factor Formula
62253-63-8
-
γ-L-Glutamyl-selenomethyl-L-selenocysteine Structure
26046-89-9
-
BOC-D-ARG(TOS)-OH ETOAC Structure
114622-81-0
-
What is β-Aminobenzenebutanoic acid
15099-85-1
-
What is AC-ARG-OH 2H2O
210545-23-6