*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : RN6960000
CHEMICAL NAME           : 1-Oxa-6-azacyclopentadecan-15-one,
                          13-((2,6-dideoxy-3-C-methyl-3-O-methyl-alpha-L-ribo-
                          hexopyranosyl)oxy)-2-ethyl-3,4,10-trihydroxy-3,5,6,8,
                          10,12,14-heptamethyl- 11-
                          ((3,4,6-trideoxy-3-(dimethylamino)-beta-D-xylo-hexopy
                          ranosyl)oxy)-,
                          (2R-(2R*,3S*,4R*,5R*,8R*,10R*,11R*,12S*,13S*,14R*))-
CAS REGISTRY NUMBER     : 83905-01-5
BEILSTEIN REFERENCE NO. : 5387583
LAST UPDATED            : 199806
DATA ITEMS CITED        : 10
MOLECULAR FORMULA       : C38-H72-N2-O12
MOLECULAR WEIGHT        : 749.12
COMPOUND DESCRIPTOR     : Drug
                          Reproductive Effector
                          Human
SYNONYMS/TRADE NAMES :
   * Azithromycin
   * CP 62993
   * XZ 405
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Human - man
DOSE/DURATION           : 32 mg/kg/9D-I
TOXIC EFFECTS :
   Kidney, Ureter, Bladder - changes in tubules (including acute renal failure,
   acute tubular necrosis)
   Kidney, Ureter, Bladder - changes in both tubules and glomeruli
   Kidney, Ureter, Bladder - hematuria
REFERENCE :
   AIMEAS Annals of Internal Medicine.  (American College of Physicians, 4200
   Pine St., Philadelphia, PA 19104)  V.1-    1927-  Volume(issue)/page/year:
   119,636,1993
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Human - man
DOSE/DURATION           : 21 mg/kg/3D-I
TOXIC EFFECTS :
   Liver - jaundice, cholestatic
   Kidney, Ureter, Bladder - other changes in urine composition
   Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol)
REFERENCE :
   AJMEAZ American Journal of Medicine.  (Technical Pub., 875 Third Ave., New
   York, NY 10022) V.1-    1946-  Volume(issue)/page/year: 102,217,1997
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : >2 gm/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Lungs, Thorax, or Respiration - respiratory depression
   Gastrointestinal - nausea or vomiting
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 51,53,1996
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 900 mg/kg
TOXIC EFFECTS :
   Behavioral - ataxia
   Lungs, Thorax, or Respiration - respiratory depression
   Gastrointestinal - nausea or vomiting
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 51,53,1996
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 3 gm/kg
TOXIC EFFECTS :
   Behavioral - convulsions or effect on seizure threshold
   Lungs, Thorax, or Respiration - respiratory depression
   Gastrointestinal - nausea or vomiting
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 51,53,1996
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 400 mg/kg
TOXIC EFFECTS :
   Behavioral - ataxia
   Lungs, Thorax, or Respiration - respiratory depression
   Gastrointestinal - nausea or vomiting
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 51,53,1996
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 3600 mg/kg/36D-I
TOXIC EFFECTS :
   Liver - other changes
   Biochemical - Enzyme inhibition, induction, or change in blood or tissue
   levels - dehydrogenases
   Biochemical - Enzyme inhibition, induction, or change in blood or tissue
   levels - transaminases
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 51,53,1996
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Mammal - dog
DOSE/DURATION           : 3600 mg/kg/36D-I
TOXIC EFFECTS :
   Liver - change in gall bladder structure or function
   Liver - changes in liver weight
   Endocrine - other changes
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 51,65,1996
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Mammal - dog
DOSE/DURATION           : 6100 mg/kg/61D-I
TOXIC EFFECTS :
   Kidney, Ureter, Bladder - changes in both tubules and glomeruli
   Liver - other changes
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 51,65,1996
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 1350 mg/kg
SEX/DURATION            : female 15-21 day(s) after conception
                          lactating female 20 day(s) post-birth
TOXIC EFFECTS :
   Reproductive - Effects on Newborn - physical
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 51,85,1996
 
                            *** END OF RECORD ***