China L-Carnosine CAS 305-84-0, Find details about China 305-84-0, CAS305-84-0 from L-Carnosine CAS 305-84-0
Item | Specifications | Results | ||
Appearance | White or off-white powder | Off-white powder | ||
IR | This product is an infrared absorption spectrum is consistent with the reference map | Pass | ||
Assay | ≥99.0% | 99.3% | ||
Melting point | 250~265ºC | 251.0-251.6ºC | ||
Heavy metal | ≤20ppm | Pass | ||
Residue on ignition | ≤0.1% | Not detected | ||
Specific optical rotation | +20.0°~+22.0° | +21.5° | ||
Loss on drying | ≤1.0% | 1.0% | ||
L-histidine | ≤0.30% | 0.09% | ||
β-alanine | ≤0.30% | 0.02% | ||
Single impurity | ≤0.20% | 0.06% | ||
Total impurities | ≤1.0% | 0.3% | ||
Total aerobes count | NMT3000cfu/gm | <10cfu/gm | ||
Mold&yeast | NMT300cfu/gm | 40cfu/gm | ||
Coliform | Less than 10cfu/gm | <10cfu/gm | ||
E.Coli | Absent/10gm | Not detected | ||
Staphylococcus aureus | Absent/10gm | Not detected | ||
Conclusion | The results conforms with Enterprise standards |