Form
Powder
Appearance
Yellowcrystallinepowder
WaterContent(KarlFisher)
6.0-9.0%
pH
2.0-3.0
MeltingPoint
180°C
Assay
(OnDriedBasis):≥835µg/mg
LossonDrying
≤2.0%
Oxytetracyclinewastheseconddiscoveredtetracyclineantibiotic.
TOKU-Eofferstwoformsofoxytetracycline:oxytetracyclinedihydrate(O003)andoxytetracyclineHCl(O004).Oxytetracyclinedihydrateissparinglysolubleinaqueoussolutionat0.6mg/mL.OxytetracyclineHClisslightlysolubleinaqueoussolutionat6.9mg/mL.
2058-46-0
C22H24N2O9•HCl
496.89
Themechanismofoxytetracyclineinvolvesdiffusingthroughacellandbindingtothe30sribosomalsubunitpreventingpeptideelongationandultimatelyinhibitingproteinsynthesis.Resistancetooxytetracyclinecanbearesultofinactivationbycellenzymesorpumpingtheantibioticoutofthecelluponentering.
2-8°C
2941.30.0000
OxytetracyclineisabroadspectrumantibioticwhichtargetsgrampositiveandgramnegativespeciesaswellasafewMycoplasmaspecies
Powder
Yellowcrystallinepowder
6.0-9.0%
2.0-3.0
180°C
(OnDriedBasis):≥835µg/mg
≤2.0%