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L-THREONINE For Biochemistry

Allo-free pyrogen free for bacteriology and tissue culture.
(2S,3R)-2-Amino-3-hydroxybutyric acid

COAs

Packings

5 g (00005)

25 g (00025)

500 g (00500)

1GBA000015 1PW1200060 1PW1200750
Print friendly version
Article No. 06300 Grade For Biochemistry
Purity 99% CAS No. 72-19-5
Molecular Formula C4H9NO3 Molecular Weight 119.12
H.S. Code 2922.5090 Shelf Life 60 Months

Physical Properties

Physical state at 20 °C Solid Colour White crystalline
pH value 5 - 6 at 60 g/l at 25 °C Melting point/ Freezing point [°C] 256 °C
Solubility in water [% weight] 60 g/l at 20 °C - completely soluble

Specifications

Appearance White crystalline 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% Other ninhydrin positive substances (as glycine) Max 0.1%
Revision Date: 03-Aug-2013

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