ChemicalBook CAS DataBase List L-Histidine

L-Histidine

$7 - $22128

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
Ambeed A170737	5g	$7	H-His-OH
Ambeed A170737	10g	$11	H-His-OH
Ambeed A170737	25g	$11	H-His-OH
Ambeed A170737	100g	$27	H-His-OH
Ambeed A170737	500g	$114	H-His-OH
American Custom Chemicals Corporation AAA0035199	25G	$980	L-HISTIDINE
American Custom Chemicals Corporation AAA0035199	500G	$4195.31	L-HISTIDINE

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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)
bulk density	430kg/m3
refractive index	13 ° (C=11, 6mol/L HCl)
FEMA	3694 \| L-HISTIDINE
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
biological source	non-animal source
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)
CAS Number Unlabeled	71-00-1

L-Histidine

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