Tetracycline Hydrochloride

Tetracycline hydrochloride:CAS NO: 64-75-5
Molecular Formula: C22H24N2O8.HCl
Molecular Weight: 496.90
Standard: BP2009/EP6.0/USP31,
Appearance: yellowish crystalline powder,
Usage: type of broad-spectrum antibiotics. It can be used for bacillary dysentery (bacillary dysentery), trachoma, whooping cough, purulent meningitis, peritonitis, pneumonia, osteomyelitis. Scarlet fever, typhus, urinary tract infections, skin infections, otitis media, amoebic dysentery, biliary tract infections, intestinal infections, sepsis and so on. It can also be used in penicillin-resistant strains of infections, penicillin allergy.
Certificate of Analysis,

Item	Standard (BP2009/EP6.0/USP31)	Test Result
Characters	Yellow crystalline powder, soluble in acetone and in ether.	Pass
Identification	BP/EP: A, similar.B,C, Positive	Pass
	USP: A,C,D,E,F,Positive	Pass
	B,Ultraviolet Absorption(380nm)	98.30%
	96.0%~104.0%
Crystallinity	Meets the requirements	Pass
PH	1.8~2.8	2.5
Specific Optical Rotation	-240°~-255°	-248°
Related Substances	4-epiteracycline≤3.0%	1.20%
	Anhydrotetracycline≤0.5%	0.20%
	4-epianhydrotetracycline≤0.5%	0.02%
	2-acetyl-2-decarbamoyltetracycline≤1.5%	0.78%
Heavy Metals	Complies with limit test(50ppm)	Pass
Loss on dry	≤2.0%	0.57%
Sulphate Ash	≤0.5%	0.08%
Assay(on dry)	BP/EP:95.0%~102.0%	97.00%
Potency	USP: ≥900ug/mg	964ug/mg
Residual solvents, 1-butanol	≤5000ppm	Pass
Residual solvents,Acetone	≤5000ppm