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79-57-2

79-57-2 structural image
Product Name: Oxytetracycline
Formula: C22H24N2O9
Synonyms: OTC;Oxytetracycline dihydrate
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CHEMICAL AND PHYSICAL PROPERTIES

Physical Description Light yellow to tan solid; [HSDB] Pale yellow to tan crystalline powder; [Acros Organics MSDS]
Color/Form Light-yellow crystals or needles from aqueous MeOH
Melting Point 184.5 °C
Solubility 47 [ug/mL] (The mean of the results at pH 7.4)
Density 1.634 at 20 °C
LogP -0.9
LogS -3.14
Stability/Shelf Life STABLE IN AIR, BUT EXPOSURE TO STRONG SUNLIGHT CAUSES IT TO DARKEN. /OXYTETRACYCLINE DIHYDRATE/
Dissociation Constants 3.27 (at 25 °C)
Collision Cross Section 203.8 Ų [M+H]+ [CCS Type: TW, Method: calibrated with polyalanine and drug standards]
Other Experimental Properties SATURATED SOLN PH IS ABOUT 6.5; SPECIFIC OPTICAL ROTATION -207 TO -216 DEG (100 MG IN 10 ML 0.1 NORMAL HYDROCHLORIC ACID); PALE YELLOW TO TAN CRYSTALLINE POWDER /OXYTETRACYCLINE DIHYDRATE/
Chemical Classes Other Uses -> Pharmaceuticals

SAFETY INFORMATION

Signal word Warning
Pictogram(s)

Health Hazard
GHS08

Environment
GHS09
GHS Hazard Statements H411:Hazardous to the aquatic environment, long-term hazard
Precautionary Statement Codes P201:Obtain special instructions before use.
P202:Do not handle until all safety precautions have been read and understood.
P273:Avoid release to the environment.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P391:Collect spillage. Hazardous to the aquatic environment
P308+P313:IF exposed or concerned: Get medical advice/attention.

COMPUTED DESCRIPTORS

Molecular Weight 460.4 g/mol
XLogP3 -1.6
Hydrogen Bond Donor Count 7
Hydrogen Bond Acceptor Count 10
Rotatable Bond Count 2
Exact Mass 460.14818035 g/mol
Monoisotopic Mass 460.14818035 g/mol
Topological Polar Surface Area 202 Ų
Heavy Atom Count 33
Formal Charge 0
Complexity 1000
Isotope Atom Count 0
Defined Atom Stereocenter Count 6
Undefined Atom Stereocenter Count 0
Defined Bond Stereocenter Count 0
Undefined Bond Stereocenter Count 0
Covalently-Bonded Unit Count 1
Compound Is Canonicalized Yes

PRODUCT INTRODUCTION

description

Oxytetracycline is a tetracycline used for treatment of infections caused by a variety of Gram positive and Gram negative microorganisms including Mycoplasma pneumoniae, Pasteurella pestis, Escherichia coli, Haemophilus influenzae (respiratory infections), and Diplococcus pneumoniae. It has a role as an antibacterial drug, a protein synthesis inhibitor, an antimicrobial agent, an anti-inflammatory drug and a bacterial metabolite. It is a tautomer of an oxytetracycline zwitterion.

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