ChemicalBook CAS DataBase List L-Histidine

L-Histidine

$7 - $21470

Product nameL-Histidine
Cas No71-00-1
MFC6H9N3O2
MW155.15
EINECS200-745-3
MDL NumberMFCD00064315

Synonyms

(s)-1h-imidazole-4-propanoicaci ;(s)-4-(2-amino-2-carboxyethyl)imidazole ;(s)-alpha-amino-1h-imidazole-4-propanoicacid ;1H-Imidazole-4-propanoic acid, alpha-amino-, (S)-;3-(1h-imidazol-4-yl)-l-alanin ;4-(2-Amino-2-carboxyethyl)imidazole;L-(+)-HISTIDINE;L-HISTIDINE

Price

Brand	Packaging	Price	Product name
Acrotein NA-0184	1kg	$137.5	L-Histidine
AK Scientific K201	1kg	$249	L-Histidine
AK Scientific J50592	100g	$34	L-Histidine
Alfa Aesar A10413	25g	$35.2	L-Histidine, 98+%
Alfa Aesar J63065	10g	$17.8	L-Histidine, Cell Culture Reagent
Alfa Aesar J63065	100g	$69.6	L-Histidine, Cell Culture Reagent
Alfa Aesar J63065	500g	$83.8	L-Histidine, Cell Culture Reagent
Alfa Aesar A10413	100g	$91.3	L-Histidine, 98+%
Alfa Aesar J63065	1kg	$167	L-Histidine, Cell Culture Reagent
Alfa Aesar A10413	500g	$327	L-Histidine, 98+%

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Properties

Melting point	282 °C (dec.)(lit.)
alpha	12.4 º (c=11,6N HCl)
Boiling point	278.95°C (rough estimate)
Density	1.3092 (rough estimate)
FEMA	3694 \| L-HISTIDINE
refractive index	13 ° (C=11, 6mol/L HCl)
storage temp.	2-8°C
solubility	H₂O: 50 mg/mL
form	powder
pka	1.8(at 25℃)
color	White to off-white or pale yellow
PH	7.0-8.0 (25℃, 0.1M in H2O)
PH Range	7 - 8 at 15.5 g/l at 25 °C
Odor	odorless
Odor Type	odorless
optical activity	[α]20/D 39±1°, c = 2% in H2O
Water Solubility	41.6 g/L (25 ºC)
λmax	λ: 260 nm Amax: 0.05 λ: 280 nm Amax: 0.05
JECFA Number	1431
Merck	14,4720
BRN	4673585
Stability	Stable. Incompatible with strong oxidizing agents.
InChIKey	HNDVDQJCIGZPNO-YFKPBYRVSA-N
LogP	-1.27
CAS DataBase Reference	71-00-1(CAS DataBase Reference)
NIST Chemistry Reference	L-Histidine(71-00-1)
EPA Substance Registry System	L-Histidine (71-00-1)

L-Histidine

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