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Ms.NancyCAS NO.64-75-5
99%(1-100)Kilogram
Chemical Name: Tetracycline hydrochloride
CAS No. 64-75-5
CBNumber: CB1704886
Molecular Formula: C22H25ClN2O8
Formula Weight: 480.
Chemical Name: Tetracycline hydrochloride
CAS No. 64-75-5
CBNumber: CB1704886
Molecular Formula: C22H25ClN2O8
Formula Weight: 480.9
Analysis
| Item | Standard | Result | ||||
| Characteristics | A white or yellowish white powder .Odorless or almost.bygroscopic | Conforms | ||||
| Identification | A:B:C The positive reaction. | Conforms | ||||
| Solubility | Very soluble in water, insoluble in acetone , chloroform, ether. | Conforms | ||||
| Specific optical rotation | +53.5°~ +59.0° | +58.0° | ||||
| Acidity of alkalinity | 5.0~7.5 | 6.7 | ||||
| Impurity A | 2%max | Conforms | ||||
| Impurity C | 3% ~15% | Conforms | ||||
| Any other impurity | not more than the area of the principal peak | Conforms | ||||
| in the chromatogram obtained with RS(B)5% | ||||||
| Total other impurity | not more than 3times the area of the principal peak | Conforms | ||||
| in the chromatogram obtained with RS(B)15% | ||||||
| Disregard limit | ae of the principal peak in the chromatogram | Conforms | ||||
| obtained with RS(C)1% | ||||||
| Loss on drying (pct) | max8.0 | 5.0% | ||||
| Sulphate | 27.0-31.0% | 28.4%max | ||||
| Sulphated ash | 1% max | 0.2% | ||||
| Microcount limit test | NMT 500 col/g | 10 col/g | ||||
| Microcount-yeast and molds | NMT 10 col/g | Conforms | ||||
| Microcount-Escherichia coli | Absent | Conforms | ||||
| Microcount-Staphy lococcus aureus | Absent | Conforms | ||||
| Microcount-Pseudo monas | Absent | |||||
| Assay | ≥680I.U./mg (DRY) | 687I.U./mg DRY 653I.U./mg MOIST | ||||
1.Respiratory Tract Infections Treatment of respiratory tract infections caused by Mycoplasma pneumoniae.c d 104
2.Acne
Adjunctive treatment of moderate to severe inflammatory acne.a c d Not indicated for treatment of noninflammatory acne.a