CAS 127408-30-4|Y-27152

K+ channel[1].

[1]. Nakajima T, et al. Y-27152, a long-acting K+ channel opener with less tachycardia: antihypertensive effects in hypertensive rats and dogs in conscious state. J Pharmacol Exp Ther. 1992 May;261(2):730-6.

[2]. Fukunari A, et al. Y-26763 protects the canine heart from a stunning injury through opening of the KATP channels. Eur J Pharmacol. 1997 Apr 4;323(2-3):197-204.

CHEMICAL IDENTIFICATION

RTECS NUMBER :

AB5956333

CHEMICAL NAME :

Acetamide, N-(6-cyano-3,4-dihydro-3-hydroxy-2,2-dimethyl-2H-1-be nzopyran-4-yl)- N-(phenylmethoxy)-, (3S-trans)-

CAS REGISTRY NUMBER :

127408-30-4

LAST UPDATED :

199603

DATA ITEMS CITED :

5

MOLECULAR FORMULA :

C21-H22-N2-O4

MOLECULAR WEIGHT :

366.45

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 :

>2 gm/kg

TOXIC EFFECTS :

Cardiac - other changes Vascular - BP lowering not characterized in autonomic section Lungs, Thorax, or Respiration - other changes

REFERENCE :

CDREEA Cardiovascular Drug Reviews. (Raven Press, 1185 Avenue of the Americas, New York, NY 10036) V.6- 1988- Volume(issue)/page/year: 9,372,1991

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Intraperitoneal

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

>2 gm/kg

TOXIC EFFECTS :

Cardiac - other changes Vascular - BP lowering not characterized in autonomic section Lungs, Thorax, or Respiration - other changes

REFERENCE :

CDREEA Cardiovascular Drug Reviews. (Raven Press, 1185 Avenue of the Americas, New York, NY 10036) V.6- 1988- Volume(issue)/page/year: 9,372,1991

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Mammal - dog

DOSE/DURATION :

10 mg/kg

TOXIC EFFECTS :

Cardiac - other changes Vascular - BP lowering not characterized in autonomic section Lungs, Thorax, or Respiration - other changes

REFERENCE :

CDREEA Cardiovascular Drug Reviews. (Raven Press, 1185 Avenue of the Americas, New York, NY 10036) V.6- 1988- Volume(issue)/page/year: 9,372,1991 ** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

910 mg/kg/13W-I

TOXIC EFFECTS :

Cardiac - changes in heart weight Vascular - BP lowering not characterized in autonomic section Endocrine - changes in thymus weight

REFERENCE :

CDREEA Cardiovascular Drug Reviews. (Raven Press, 1185 Avenue of the Americas, New York, NY 10036) V.6- 1988- Volume(issue)/page/year: 9,372,1991

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Mammal - dog

DOSE/DURATION :

27300 ug/kg/13W-I

TOXIC EFFECTS :

Cardiac - changes in heart weight Vascular - BP lowering not characterized in autonomic section

REFERENCE :

CDREEA Cardiovascular Drug Reviews. (Raven Press, 1185 Avenue of the Americas, New York, NY 10036) V.6- 1988- Volume(issue)/page/year: 9,372,1991