L-HISTIDINE For Biochemistry

L-HISTIDINE For Biochemistry

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Category: Amino Acids & Derivatives

Description
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Description

(S)-2-Amino-3-(4-imidazolyl)propionic acid

Article No.	04065	Grade	For Biochemistry
Purity	99%	CAS No.	71-00-1
Molecular Formula	C₆H₉N₃O₂	Molecular Weight	155.16
H.S. Code	2933.2990	Shelf Life	60 Months

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Physical Properties

Physical state at 20 °C	Solid	Colour	White powder
pH value	7 – 8 at 15.5 g/l at 25 °C	Melting point/ Freezing point [°C]	282 °C
Solubility in water [% weight]	15.5 g/l at 20 °C – completely soluble

Specifications

Appearance	White to off-white powder
Assay (by HClO4 titration)	Min 99%
Heavy metal (as Pb)	Max 0.001%
Ammonium (NH4)	Max 0.01%
Foreign amino acids	Max 0.3%

Packings

25 g	00025
500 g	00500

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