amoxicillin
** amoxycillin ** amopen ** amoxycillin trihydrate ** p-hydroxyampicillin ** AMC ** Translations

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GENERAL INFORMATION

Description: A broad spectrum semisynthetic a beta-lactam antibiotic / antimicrobial with applications in veterinary medicine

Introduction: -

Examples of species treated: Birds, Domestic fowl, Cats, Dogs, Pigs

General status:
Veterinary substance type Antibacterial, Antibiotic, Medicinal drug
Substance group Penicillin
Substance origin Semi-synthetic
Mode of action Inhibits the synthesis of bacterial cell walls
Molecular targets Penicillin-binding proteins 1A/1B, antagonist
CAS RN 26787-78-0
EC number 248-003-8
CIPAC number -
US EPA chemical code -
ATCvet Code QJ01CR02; QG51AX01
Therapeutic Class Antiinfectants for systemic use: Antibacterials for systemic use; Genito urinary system & sex hormones: Antiinfectants & antiseptics for intrautarine use
Controlled Drug? No
Regulation 37/2010 MRL Classification Allowed substance (Table 1: All food producing species)
Chemical formula C16H19N3O5S
SMILES N12[C@@H]([C@@H](NC([C@@H](c3ccc(O)cc3)N)=O)C2=O)SC([C@@H]1C(O)=O)(C)C
International Chemical Identifier (InChI) InChI=1/C16H19N3O5S/c1-16(2)11(15(23)24)19-13(22)10(14(19)25-16)18-12(21)9(17)7-3-5-8(20)6-4-7/h3-6,9-11,14,20H,17H2,1-2H3,(H,18,21)(H,23,24)/t9-,10-,11+,14-/m1/s1
Structure diagram/image available? Yes
Molecular mass (g mol-1) 365.40
IUPAC Name (2S,5R,6R)- 6-([(2R)-2-amino-2-(4-hydroxyphenyl)-acetyl]amino)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid
CAS Name D-(-)-6-(2-amino-2-phenylacetamido)-3,3-dimethyl-7 -oxo-4-thia-1-azabicyclo [3.2.0] heptane-2-carboxylic acid
Other status information -
Physical state White crystalline solid
Related substances & organisms -

Formulations:
Property Product Manufacturer Authorisation Route UK Legal Class
Example products using this active Amoxicure 30% powder for oral solution Oropharma N.V. UK National authorisation Prescription only medicine to be authorised by a veterinarian (POM-V)
Amoxival Vet Tablets Sogeval S.A. EU Mutually recognised procedure Prescription only medicine to be authorised by a veterinarian (POM-V)
Synulox Palatable Tablets 50mg Pfizer ltd UK National authorisation Prescription only medicine to be authorised by a veterinarian (POM-V)
Betamox 200mg Palatable Tablets Norbook Labs UK National authorisation Prescription only medicine to be authorised by a veterinarian (POM-V)
Formulation and application details Ingested, available as capsules, tablets, chewable tablets and powders/tablets for aqueous suspension.


ENVIRONMENTAL FATE

Property Value Source/Quality Score/Other Information Interpretation
Solubility - In water at 20oC (mg l-1) 3430 V3 High
Solubility - In organic solvents at 20oC (mg l-1) 7500 L3 - Methanol -
3400 L3 - Ethanol -
Melting Point (oC) 194 F4 -
Boiling Point (oC) - - -
Degradation point (oC) - - -
Flashpoint (oC) - - -
Octanol-water partition coefficient at pH 7, 20oC P 7.41 X 1000 Calculated -
Log P 0.87 V3 Low
Bulk density (g ml-1)/Specific gravity - - -
Dissociation constant (pKa) at 25oC - - -
Note:
Vapour pressure at 25oC (mPa) 6.24 X 10-12 V3 Non-volatile
Henry's law constant at 25oC (Pa m3 mol-1) - - -
Henry's law constant at 20oC (dimensionless) 2.73 X 10-19 Calculated Non-volatile
GUS leaching potential index -0.68 Calculated Low leachability
Maximum UV-vis absorption L mol-1 cm-1 In ethanol: 230nm = 10850, 274nm = 1400; [In acid: 229nm = 9500, 272nm = 1080 L3 -
Surface tension (mN m-1) - - -
Refractive Index - - -

Degradation:
Property Value Source/Quality Score/Other Information Interpretation
Soil degradation (days) (aerobic) DT50 (typical) 0.23 R4 Non-persistent
DT50 (lab at 20oC) - - -
DT50 (field) - - -
DT90 (lab at 20oC) - - -
DT90 (field) - - -
Note General literature gives DT50 0.16-0.29 days, very rapid
Manure DT50 (days) 4 R4 Manure -
Aqueous photolysis DT50 (days) at pH 7 Value - - -
Note -
Aqueous hydrolysis DT50 (days) at 20oC and pH 7 Value - - -
Note -
Water-Sediment DT50 (days) - - -
Water phase only DT50 (days) - - -

Soil adsorption and mobility:
Property Value Source/Quality Score/Other Information Interpretation
Linear Kd - R4 Slightly mobile
Koc 866
Notes and range -
Freundlich Kf - - -
Kfoc -
1/n -
Notes and range -
pH sensitivity -


ECOTOXICOLOGY

Property Value Source/Quality Score/Other Information Interpretation
Bio-concentration factor BCF - - -
CT50 (days) - -
Bioaccumulation potential - Calculated Low
Mammals - Acute oral LD50 (mg kg-1) > 15000 V3 Rat Low
Mammals - Short term dietary NOEL (mg kg-1) - - -
(ppm diet) - -
Birds - Acute LD50 (mg kg-1) - - -
Birds - Short term dietary (LC50/LD50) - - -
Fish - Acute 96 hour LC50 (mg l-1) > 300 R4 Oncorhynchus mykiss Low
Fish - Chronic 21 day NOEC (mg l-1) - - -
Aquatic invertebrates - Acute 48 hour EC50 (mg l-1) 101.6 R4 Daphnia magna Low
Aquatic invertebrates - Chronic 21 day NOEC (mg l-1) - - -
Aquatic crustaceans - Acute 96 hour LC50 (mg l-1) - - -
Sediment dwelling organisms - Acute 96 hour LC50 (mg l-1) - - -
Sediment dwelling organisms - Chronic 28 day NOEC, static, water (mg l-1) - - -
Sediment dwelling organisms - Chronic 28 day NOEC, sediment (mg kg-1) - - -
Aquatic plants - Acute 7 day EC50, biomass (mg l-1) > 1000 R3 LOEC Low
Algae - Acute 72 hour EC50, growth (mg l-1) 0.037 R3 Microcystis aeruginosa Moderate
Algae - Chronic 96 hour NOEC, growth (mg l-1) 250 R3 Selenastrum capricornutum Low
Honeybees - Acute 48 hour LD50 (µg bee-1) - - -
Earthworms - Acute 14 day LC50 (mg kg-1) - - -
Earthworms - Chronic 14 day NOEC, reproduction (mg kg-1) - - -
Other soil macro-organisms - e.g. Collembola LR50product ha
EC50product ha
NOECproduct ha
% Effect
- - -
Other arthropod (1) LR50 g ha-1 - - -
% Effect - - -
Other arthropod (2) LR50 g ha-1 - - -
% Effect - - -
Soil micro-organisms - - -
Mesocosm study data NOEAEC mg l-1 - - -
NOEAEC mg l-1 - - -


HUMAN HEALTH AND PROTECTION

General:
Property Value Source/Quality Score/Other Information Interpretation
Mammals - Acute oral LD50 (mg kg-1) > 15000 V3 Rat Low
Mammals - Dermal LD50 (mg kg-1 body weight) - - -
Mammals - Inhalation LC50 (mg l-1) - - -
Other Mammal toxicity endpoints Intraperitoneal LD50 = 2870 mg kg-1 V3 rat -
Subcutaneous LD50 > 8000 mg kg-1 V3 Rat -
ADI - Acceptable Daily Intake (mg kg-1bw day-1) - - -
ARfD - Acute Reference Dose (mg kg-1bw day-1) - - -
AOEL - Acceptable Operator Exposure Level - Systemic (mg kg-1bw day-1) - - -
Dermal penetration studies (%) - - -
Dangerous Substances Directive 76/464 - - -
Exposure Limits - - -
Exposure Routes Public -
Occupational -
Elimination route and rate Rapidly absorbed by the gastrointestinal tract after oral administration, whilst some is metabolised, it is rapidly mostly unchanged in the urine F4 -

Health issues:
Carcinogen Mutagen Endocrine disrupter Reproduction / development effects Acetyl cholinesterase inhibitor Neurotoxicant Respiratory tract irritant Skin irritant Eye irritant

-

-

-

-

General human health issues [May cause vomiting, rashes and antibiotic-associated colitis], [May cause allergic or asthmatic symptoms or breathing difficulties if inhaled]

: Yes, known to cause a problem
: No, known not to cause a problem
: Possibly, status not identified
- : No data

Handling issues:
Property Value Source/Quality Score/Other Information Interpretation
General [Not regulated under IMDG]
EC Risk Classification -
EC Safety Classification -
WHO Classification None - not a ppp - -
US EPA Classification (formulation) - - -
UN Number -
Waste disposal & packaging -


TRANSLATIONS

Language Name
English amoxicillin
French amoxicilline
German -
Danish -
Italian -
Spanish amoxicilina
Greek -
Slovenian -
Polish -
Swedish -
Hungarian -
Dutch -

Record last updated: Friday 05 August 2011
Contact: aeru@herts.ac.uk