L-Threonine

SKU : AMA032
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CAS number

72-19-5

molecular formula

C4H9NO3

standard

USP33

Package

25kg/drum
ITEMS LIMIT
Items Pharma Grade(USP32) Food Grade(FCCV)
Appearance White crystals or crystalline powder White crystalline powder
Assay(on dry matter) 98.5% ~ 101.5% 98.5% ~ 101.5%
Specific rotation -26.7º ~ -29.1º -26.5º ~ -29.0º
PH 5.0 ~ 6.5 --
Loss on drying 0.2% Max 0.2% Max
Residue on ignition 0.4% Max 0.1% Max
Chloride 0.05% Max --
Sulfate 0.03% Max --
Iron 0.003% Max --
Heavy metals 0.0015% Max --
Lead -- 5mg/kg Max
Chromatographic purity Pass USP test --

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