High quality meropenem CAS NO.96036-03-2 CAS NO.96036-03-2

item

specification

appearance

almost white to light yellow crystalline powder

identification

ir: comparable ir spectra with standard spectra

uv: uv absorption spectrum of sample solution and standard solution should exhibit maima and minima at same wavelength

specific rotation

-17 º ~ -21º

heavy metals

nmt 0.001%

ph

4 ~ 6

moisture

11.4% ~ 13.4%

residue on ignition

nmt 0.1%

related substances

-hydrolysed impurity

-dimeric impurity

-any unspecified impurities

-total impurities

nmt 0.3%

nmt 0.3%

nmt 0.2%

nmt 1.5%

bacterial endotoxins

nmt 0.125eu/mg

%transmittances

nlt 40%

assay(hplc)

nlt 98.0%