*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : US7970200
CHEMICAL NAME           : 3,5-Pyridinedicarboxylic acid,
                          1,4-dihydro-2,6-dimethyl-4-(2-(3-(1,1-dimethylethoxy)
                          -3-oxo-1- propenyl)phenyl)-, diethyl ester, (E)-
CAS REGISTRY NUMBER     : 103890-78-4
LAST UPDATED            : 199410
DATA ITEMS CITED        : 10
MOLECULAR FORMULA       : C26-H33-N-O6
MOLECULAR WEIGHT        : 455.60
COMPOUND DESCRIPTOR     : Drug
                          Reproductive Effector
SYNONYMS/TRADE NAMES :
   * GR 43659 X
   * Lacidipine
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 880 mg/kg
TOXIC EFFECTS :
   Sense Organs and Special Senses (Eye) - effect, not otherwise specified
   Behavioral - somnolence (general depressed activity)
   Kidney, Ureter, Bladder - other changes
REFERENCE :
   YACHDS Yakuri to Chiryo.  Pharmacology and Therapeutics.  (Raifu Saiensu
   Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan)  V.1-    1972-
   Volume(issue)/page/year: 22,335,1994
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 43300 ug/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Lungs, Thorax, or Respiration - respiratory stimulation
REFERENCE :
   YACHDS Yakuri to Chiryo.  Pharmacology and Therapeutics.  (Raifu Saiensu
   Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan)  V.1-    1972-
   Volume(issue)/page/year: 22,335,1994
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 562 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Kidney, Ureter, Bladder - other changes
REFERENCE :
   YACHDS Yakuri to Chiryo.  Pharmacology and Therapeutics.  (Raifu Saiensu
   Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan)  V.1-    1972-
   Volume(issue)/page/year: 22,335,1994
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 3150 mg/kg
TOXIC EFFECTS :
   Sense Organs and Special Senses (Eye) - ptosis
   Behavioral - somnolence (general depressed activity)
   Lungs, Thorax, or Respiration - respiratory depression
REFERENCE :
   YACHDS Yakuri to Chiryo.  Pharmacology and Therapeutics.  (Raifu Saiensu
   Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan)  V.1-    1972-
   Volume(issue)/page/year: 22,335,1994
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 80200 ug/kg
TOXIC EFFECTS :
   Sense Organs and Special Senses (Eye) - ptosis
   Behavioral - somnolence (general depressed activity)
   Skin and Appendages - hair
REFERENCE :
   YACHDS Yakuri to Chiryo.  Pharmacology and Therapeutics.  (Raifu Saiensu
   Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan)  V.1-    1972-
   Volume(issue)/page/year: 22,335,1994
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : >5 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   YACHDS Yakuri to Chiryo.  Pharmacology and Therapeutics.  (Raifu Saiensu
   Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan)  V.1-    1972-
   Volume(issue)/page/year: 22,335,1994
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Mammal - dog
DOSE/DURATION           : 291 mg/kg/1Y-I
TOXIC EFFECTS :
   Cardiac - EKG changes not diagnostic of specified effects
   Endocrine - changes in adrenal weight
   Endocrine - changes in thymus weight
REFERENCE :
   YACHDS Yakuri to Chiryo.  Pharmacology and Therapeutics.  (Raifu Saiensu
   Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan)  V.1-    1972-
   Volume(issue)/page/year: 22,343,1994
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 1260 mg/kg
SEX/DURATION            : male 9 week(s) pre-mating
                          female 2 week(s) pre-mating  - 7 day(s) after
                          conception
TOXIC EFFECTS :
   Reproductive - Fertility - post-implantation mortality (e.g. dead and/or
   resorbed implants per total number of implants)
   Reproductive - Effects on Embryo or Fetus - fetal death
REFERENCE :
   YACHDS Yakuri to Chiryo.  Pharmacology and Therapeutics.  (Raifu Saiensu
   Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan)  V.1-    1972-
   Volume(issue)/page/year: 22,377,1994
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 52 mg/kg
SEX/DURATION            : female 17-21 day(s) after conception
                          lactating female 21 day(s) post-birth
TOXIC EFFECTS :
   Reproductive - Effects on Newborn - growth statistics (e.g.%, reduced weight
   gain)
   Reproductive - Effects on Newborn - delayed effects
REFERENCE :
   YACHDS Yakuri to Chiryo.  Pharmacology and Therapeutics.  (Raifu Saiensu
   Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan)  V.1-    1972-
   Volume(issue)/page/year: 22,399,1994
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rabbit
DOSE                    : 234 mg/kg
SEX/DURATION            : female 6-18 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
   e.g., stunted fetus)
REFERENCE :
   YACHDS Yakuri to Chiryo.  Pharmacology and Therapeutics.  (Raifu Saiensu
   Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan)  V.1-    1972-
   Volume(issue)/page/year: 22,389,1994
 
                            *** END OF RECORD ***