CAS No.351-50-8,D-Histidine Suppliers

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Basic Information

Molecular Structure:
CAS No.:	351-50-8
Name:	D-Histidine
Article Data:	29
Cas Database

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:	Xn
Safety:	22-24/25-36/37-26
PSA:	92.00000
LogP:	0.06440

Synthetic route

: 4998-57-6
His

A: 71-00-1
L-histidine

B: 351-50-8
D-histidin

Conditions

Conditions	Yield
durch fraktionierte Krystallisation des d-weinsaeuren Salzes; das Salz des d-Histidins krystallisiert zuerst aus;

: 4998-57-6
His

: 351-50-8
D-histidin

Conditions

Conditions	Yield
durch gaerende Hefe;
Verfuettern an Kaninchen wird im Harn ausgeschieden;

: 71-00-1
L-histidine

: 351-50-8
D-histidin

Conditions

Conditions	Yield
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

Conditions	Yield
durch Einw. von gaerender Hefe;

: 75983-68-5
Nα-acetyl-D-histidine

: 351-50-8
D-histidin

Conditions

Conditions	Yield
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

Conditions	Yield
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

Conditions	Yield
With water fraktionierte Krystallisation;

: 10101-30-1
N-acetylhistidine

: 351-50-8
D-histidin

Conditions

Conditions	Yield
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

: 78-92-2, 15892-23-6
iso-butanol

: 351-50-8
D-histidin

Conditions

Conditions	Yield
With CO In tetrahydrofuran; hydrogenchloride

...Expand

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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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