Histidine (data page)

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The complete data for Histidine

General information

Chemical formula: C₆H₉N₃O₂
Molecular mass: 155.16 g·mol^-1
Systematic name:
2-amino-3-(3H-imidazol-4-yl)propanoic acid
Abbreviations: H, His
Synonyms:
({S/D})-α-amino-1H-imidazole-4-propanoic acid
4-(2-amino-2-carboxyethyl)imidazole
α-amino-1H-imidazole-4-propionic acid
α-amino-4-imidazolepropionic acid
Anti-rheuma
C00768
Glyoxaline-5-alanine

Database data

SMILES: C1=C(NC=N1)CC(C(=O)O)N
InChI=1/C6H9N3O2/c7-5(6(10)11)1-4-2-8-3-9-4/h2-3,5H,1,7H2,(H,8,9)(H,10,11)/t5-/m{0/1}/s1/f/h9-10H

ATC: N/A

CAS: 351-50-8 (D), 71-00-1 (L)

DrugBank: N/A

EINECS: 206-513-8 (D) ^[1], 200-745-3 (L) ^[2]

PubChem: 71083 (D) ^[3], 6274 (L) ^[4]

Physical properties

Structure

Crystal data

Spectral data

UV-Vis

NMR

Phase behavior

Solid properties

T_m: 287 °C

Liquid properties

Gas properties

Hazard properties

MSDS N/A

Main hazards:

- N/A

NFPA 704

Flash point

- N/A

R/S statement

R: N/A
S: N/A

RTECS number:
N/A

Chemical properties

XLogP: -3.461

pI: 7.59

pK_a: 1.70; 6.04; 9.09

Tautomers: 2

Hydrogen Bond: donor - 3; acceptor - 5;

Pharmacological properties

Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)

[edit] References

^a EINECS number 200-745-3 (D-histidine)
^a EINECS number 206-513-8 (L-histidine)
^a CID 71083 from PubChem (D-histidine)
^a CID 6274 from PubChem (L-histidine)

v • d • e Major Families of Biochemicals
Peptides \| Amino acids \| Nucleic acids \| Carbohydrates \| Lipids \| Terpenes \| Carotenoids \| Tetrapyrroles \| Enzyme cofactors \| Steroids \| Flavonoids \| Alkaloids \| Polyketides \| Glycosides
Analogues of nucleic acids:	The 20 Common Amino Acids	Analogues of nucleic acids:
Alanine (dp) \| Arginine (dp) \| Asparagine (dp) \| Aspartic acid (dp) \| Cysteine (dp) \| Glutamic acid (dp) \| Glutamine (dp) \| Glycine (dp) \| Histidine (dp) \| Isoleucine (dp) \| Leucine (dp) \| Lysine (dp) \| Methionine (dp) \| Phenylalanine (dp) \| Proline (dp) \| Serine (dp) \| Threonine (dp) \| Tryptophan (dp) \| Tyrosine (dp) \| Valine (dp)

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Category: Chemical data pages

Histidine (data page)

From Wikipedia, the free encyclopedia

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