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351-50-8

Basic Information
CAS No.: 351-50-8
Name: D-Histidine
Article Data: 29
Molecular Structure:
Molecular Structure of 351-50-8 (D-Histidine)
Formula: C6H9N3O2
Molecular Weight: 155.156
Synonyms: Histidine,D- (8CI);(R)-Histidine;H-D-His-OH;
EINECS: 206-513-8
Density: 1.423 g/cm3
Melting Point: 280-290 °C (dec.)
Boiling Point: 458.9 °C at 760 mmHg
Flash Point: 231.3 °C
Solubility: 42 g/L (25 ºC)
Appearance: white crystalline powder
Hazard Symbols: HarmfulXn
Safety: 22-24/25-36/37-26
PSA: 92.00000
LogP: 0.06440
Synthetic route

A

71-00-1

L-histidine

B

351-50-8

D-histidin

Conditions
ConditionsYield
durch fraktionierte Krystallisation des d-weinsaeuren Salzes; das Salz des d-Histidins krystallisiert zuerst aus;
351-50-8

D-histidin

Conditions
ConditionsYield
durch gaerende Hefe;
Verfuettern an Kaninchen wird im Harn ausgeschieden;
71-00-1

L-histidine

351-50-8

D-histidin

Conditions
ConditionsYield
With hydrogenchloride; water at 150 - 160℃; Trennung des erhaltenen Racemats ueber das Lg-Tartrat;
71-00-1

D,L-histidine

351-50-8

D-histidin

Conditions
ConditionsYield
durch Einw. von gaerender Hefe;
75983-68-5

Nα-acetyl-D-histidine

351-50-8

D-histidin

Conditions
ConditionsYield
With hydrogenchloride; water
71-00-1

D,L-histidine

A

71-00-1

L-histidine

B

351-50-8

D-histidin

DL-histidine-hydrochloride

DL-histidine-hydrochloride

351-50-8

D-histidin

Conditions
ConditionsYield
With water Produkt ist Hydrochlorid;
With L-amino acid oxide ase from the toxin of crotalus adamanteus
d-tartrate from dl-histidine

d-tartrate from dl-histidine

351-50-8

D-histidin

Conditions
ConditionsYield
With water fraktionierte Krystallisation;
10101-30-1

N-acetylhistidine

351-50-8

D-histidin

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: enzymesubstance from pig's kidney
2: water; HCl
View Scheme
(PPh3)2 PdCl2

(PPh3)2 PdCl2

1-acetamido-2-(4-imidazolyl)ethene

351-50-8

D-histidin

Conditions
ConditionsYield
With CO In tetrahydrofuran; hydrogenchloride
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    Product Name: D-Histidine CAS: 351-50-8 MF: C6H9N3O2 MW: 155.15 EINECS: 206-513-8 Mol File: 351-50-8.mol D-Histidine Structure D-Histidine Chemical Properties Melting point 280 °C alpha -12 º (c=11, 6N HCl) Boilin

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Specification

The D-Histidine, with its cas register number 351-50-8, has the IUPAC name of (2R)-2-amino-3-(1H-imidazol-5-yl)propanoic acid. And it also has other names as h-d-his-oh; histidine, d-; d-alpha-amino-beta-imidazolepropionic acid; d-alpha-amino-beta-(4-imidazolyl)propionic acid; d-2-amino-3-(4-imidazolyl)propionic acid; d-his-oh; d-histidine; d-his.

The physical characteristics of this chemical could be summarized as: (1)ACD/LogP: -1.27; (2)ACD/LogD (pH 5.5): -4.54; (3)ACD/LogD (pH 7.4): -3.82; (4)ACD/BCF (pH 5.5): 1; (5)ACD/BCF (pH 7.4): 1; (6)ACD/KOC (pH 5.5): 1; (7)ACD/KOC (pH 7.4): 1; (8)#H bond acceptors: 5; (9)#H bond donors: 4; (10)#Freely Rotating Bonds: 4; (11)Polar Surface Area: 47.36; (12)Index of Refraction: 1.614; (13)Molar Refractivity: 38.01 cm3; (14)Molar Volume: 108.9 cm3; (15)Polarizability: 15.07 ×10-24 cm3; (16)Surface Tension: 79.6 dyne/cm; (17)Density: 1.423 g/cm3; (18)Flash Point: 231.3 °C; (19)Enthalpy of Vaporization: 75.79 kJ/mol; (20)Boiling Point: 458.9 °C at 760 mmHg; (21)Vapour Pressure: 3.25E-09 mmHg at 25°C.

This is a kind of white crystalline powder, and its water Solubility is 42 g/L (25 ºC). Being a kind of harmful chemical, it may cause damage to health. And it is harmful by swallowed and is very toxic by inhalation, in contact with skin or if swallowed. Besides, it is irritating to eyes and respiratory system. You could also go to WGK Germany  3 to obtain more safety information. When store it, it should be kept in room temperature.

D-Histidine is commonly used as intermediates of fine chemicals and pharmaceutical. As to its product categories, there are various, including amino acid derivatives; histidine [his, h]; amino acids and derivatives; alpha-amino acids; amino acids; biochemistry; amino acids.

In addition, you could refer to the following information to obtain the molecular structure:
SMILES:O=C(O)[C@H](N)Cc1cncn1
InChI: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-/m1/s1
InChIKey:HNDVDQJCIGZPNO-RXMQYKEDBE

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