Procaine penicillin G CAS NO.54-35-3

Identification(IR):IR spectrum complies with that of reference standard pH (50mg/15ml H2O) 5.0 ～ 7.5 Water（Karl Fischer） 2.8 ～4.2 % Specif…

Identification(IR):IR spectrum complies with that of reference standard pH (50mg/15ml H2O) 5.0 ～ 7.5 Water（Karl Fischer） 2.8 ～4.2 % Specific optical rotation +165°～ +180° Related substances(HPLC):The area of any peak corresponding to 4-aminobenzoic acid is not greater than the area of the corresponding peak in the chromatogram obtained with reference solution (0.024 per cent);the area of any peak ,apart from the 2 principal peaks and any peak corresponding to 4-aminobenzoic acid,is not greater than the area of the peak corresponding to benzylpenicillin in the chromatogram obtained with reference solution(1 per cent) Procaine(HPLC) 39.0 ～ 42.0 % Procaine benzylpenicillin(HPLC) 96.0 ～102.0 %