L-Threonine USP | PharmacountrySubcategoría y Sub-subcategoría
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Nombre del producto
L-Threonine USP
Especificaciones
- IUPAC Name: (2S,3R)-2-amino-3-hydroxybutanoic acid
- CAS Number: 72-19-5
- Chemical Formula: C4H9NO3
- Molecular Weight: 119.12
- EC Number: 200-774-1
- Packaging Details: 25kg craft paper bag and drum
- Delivery Detail: 15-20days after contract date
- Product Name:L-Threonine: Quantity:1500kg
- Analysis date:2013.05.26
Comentarios
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Producing date: 2013.05.26:
Appearance: White crystals or crystallin powderAssay (C3H7NO2) ,%(on dried basis): 98.5~101.5Specific rotation: -26.7°~ -29.1°pH value (1.0g/20mL water): 5.0~6.5Loss on drying, %: ≤0.2Residue on ignition(as sulphated ash), %: ≤0.4Chloride(as Cl),%: ≤0.05Sulphate (as SO4),%: ≤0.03Iron(as Fe), %: ≤0.003Ammonium (as NH4),%: ≤0.02Heavy metals (as Pb),%: ≤15ppmChromatographic purity: Pass USP Test (0.5% max individual impurity ,2% max of total impurities)Organic volatile impurities: Meet the requirements
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