nimodipine CAS NO.66085-59-4

Items

Standard

Results

Appearance

A Yellow crystalline powder

Conforms

Melting point

124--128°C

125.9--126.6°C

Identification

?direct reaction

‚There is maximize absorption in 237nm wavelength

ƒinfrared light of absorption atlas and Contrastion atlas consistency.(Spectrum section 599 plans set)

direct  reaction

Conform

Conform

Appearance of solution

Solution  S is clear

Conform

Optical rotation

 The angle of optical rotation,determined on solution S is-0.10º to +0.10º

Conform

Loss on drying

≤0.5%

0.21%

residue

≤0.1%

0.03%

Related substances

A  peak

Single peak

Sum of peak

(apart from the principal peak)

         ≤0.1%

         ≤0.2%

         ≤0.5%

Conform

Conform

Conform

Content

≥98.5%--101.5%

99.8%

Conclusion:Conforms to BP2002