Histidine | CAS No. 4998-57-6

Histidine

Basic Information

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CAS Number

4998-57-6

Molecular Formula

C6H9N3O2

Molecular Weight

155.16 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Chemical Raw Materials Organic Chemicals Amines

Basic Chemical Raw Materials Organic Chemicals Heterocyclic Compounds

Pharmaceutical Chemicals Pharmaceutical Intermediates Heterocyclic Intermediates

Fine Chemicals Dyes and Pigments Organic Dyes

Basic Physical Properties

Melting Point

273 °C (dec.)

Boiling Point

458.9°C at 760 mmHg

Flash Point

458.9 °C at 760 mmHg

Solubility

0.5 M HCl: soluble

Refractive Index

1.6500 (estimate)

SMILES

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NC(Cc1c[nH]cn1)C(=O)O

InChI

InChI=1S/C6H9N3O2/c7-5(6(10)11)1-4-2-8-3-9-4/h2-3,5H,1,7H2,(H,8,9)(H,10,11)

InChIKey

HNDVDQJCIGZPNO-UHFFFAOYSA-N

LogP

-0.6359000000000001

pKa

1.8(at 25℃)

Topological Polar Surface Area

92.00000000000001 Å²

Hydrogen Bond Donor/Acceptor

4 / 5

Complexity

151

Safety Information

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Hazard Statement

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

H335 May cause respiratory irritation
Specific target organ toxicity, single exposure; Respiratory tract irritation

Synonyms & References

English

DL-Histidine
DL-2-AMINO-3-(4-IMIDAZOLYL)PROPIONIC ACID
DL-ALPHA-AMINO-BETA-IMIDAZOLEPROPIONIC ACID
H-DL-HIS-OH
HISTIDINE
HISTIDINE, DL-
DL-Histidine, Free Base
DL-Histidin
DL-2-Amino-3-(1H-imidazol-4-yl)propanoic acid
1H-Imidazole-4-alanine
rac-(R*)-2-Amino-3-(4-imidazolyl)propionic acid
2-Amino-3-(1H-imidazol-4-yl)propanoic acid
HISTIDINE, DL-(P)
HISTIDINE, DL-(RG)
5-imidazolepropionic acid
D-Histidine
Hydroxyacetone
L-histidine,(1:1)
α-Amino-4
(±)-2-Amino-3-(4-imidazolyl)propionic acid
L-Histidine, Free Base
2-amino-3-(1H-imidazol-5-yl)propanoic acid
HNDVDQJCIGZPNO-UHFFFAOYSA-N
alpha-Amino-1H-imidazole-4-propionic acid
2-azanyl-3-(1H-imidazol-5-yl)propanoic acid
Dl-Histidine Dihydrochloride
DL-Histidine hydrochloridemonohydrate
histidin
laevo-histidine
Histidine #
PubChem12388

MDL Number

MFCD00005208

FAQ

What is Histidine (CAS: 4998-57-6)?

Histidine (CAS: 4998-57-6) is an amino acid that is essential for humans and plays a critical role in protein synthesis. It has a chemical formula of C6H9N3O2 and is known for its ability to act as a buffer and its role in the body's immune and nervous systems.

What are the main uses of Histidine (CAS: 4998-57-6)?

Histidine (CAS: 4998-57-6) is primarily used in the production of pharmaceuticals and supplements, as a food additive, and in research applications. It is also used as a component in animal feed to ensure proper growth and development.

Is Histidine (CAS: 4998-57-6) safe?

Histidine (CAS: 4998-57-6) is generally safe for human consumption when used as directed. However, it is important to follow safety guidelines and avoid contact with eyes and skin. Ingestion or inhalation of large quantities may cause adverse effects. Always wear protective gloves and eyewear when handling.

How should Histidine (CAS: 4998-57-6) be stored?

Histidine (CAS: 4998-57-6) should be stored in tightly sealed containers in a cool, dry place away from direct sunlight and heat sources. It should be kept at room temperature (15-25°C) and protected from humidity and moisture to maintain its stability and efficacy.