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32421-46-8

32421-46-8 structure
32421-46-8 structure
  • Name: Bunaftide
  • Chemical Name: N-butyl-N-[2-(diethylamino)ethyl]naphthalene-1-carboxamide
  • CAS Number: 32421-46-8
  • Molecular Formula: C21H30N2O
  • Molecular Weight: 326.47600
  • Catalog: Research Areas Cardiovascular Disease
  • Create Date: 2018-09-16 00:15:28
  • Modify Date: 2024-01-02 21:51:14
  • Bunaftide (Bunaftine; Bunaphtide; Meregon) is an antiarrhythmic agent.

Name N-butyl-N-[2-(diethylamino)ethyl]naphthalene-1-carboxamide
Synonyms EINECS 251-027-1
Bunaftina [INN-Spanish]
Bunaphtide
Bunaphtine
Bunaftinum [INN-Latin]
Bunaftine
Bunaftine (INN)
N-Butyl-N-(2-(diethylamino)ethyl)-1-naphthamide
N-(2-Diethylaminoethyl)-N-n-butyl-1-naphthamid
Bunaftide
Description Bunaftide (Bunaftine; Bunaphtide; Meregon) is an antiarrhythmic agent.
Related Catalog
In Vitro At concentrations of 0.5-2.0 mM, Bunaftide causes contraction and rounding of the cells with loss of microvilli-like processes. Aggregates of dense, partly granular, partly fibrillar material form in the cytoplasm and the rough endoplasmic reticulum became vesiculated. Bundles of actin filaments are disrupted, forming rings, coils, and granules. 0.4 mM Bunaftide increases and 0.8-1.0 mM markedly decreases the percentage of mitotic cells, without accumulation of cells in any particular stage of mitosis. The drug may arrest the cell cycle at some point before mitosis; it may have a critical concentration above which the arrest becomes permanent[1]. Bunaftide at 1, 5 and 10 mg/L produces a concentration-dependent depression of the maximum rate of rise of the action potential in guinea pig papillary muscle preparations without affecting the resting membrane potential and the action potential amplitude. The action potential duration (APD50, APD90) is significantly prolonged by the treatment with 1 and 5 mg/L Bunaftide, while it is not changed by the treatment with 10 mg/L[2].
Cell Assay Human embryonic fibroblasts and HeLa cells are seeded into 35-mm plastic Petri dishes at a density of 1x105 cells/cm2. Bunaftide is used in final concentrations of 0.1-2.0 mM. The cells are exposed to the drug for periods ranging from 15 min to 24 h. To allow the cells to recover, the Bunaftide medium is removed and the cultures are left in standard medium for 4-24 h[1].
References

[1]. Moskalewski S, et al. Effects of bunaftine on morphology, microfilament integrity, and mitotic activity in cultured human fibroblasts and HeLa cells. Cell Tissue Res. 1984;236(1):107-15.

[2]. Kimura T, et al. Electrophysiological effects of bunaftine, an antiarrhythmic drug, on action potential characteristics in ventricular muscle preparations. Nihon Yakurigaku Zasshi. 1986 Jul;88(1):1-7.

Density 1.026g/cm3
Boiling Point 476ºC at 760 mmHg
Molecular Formula C21H30N2O
Molecular Weight 326.47600
Flash Point 192ºC
Exact Mass 326.23600
PSA 23.55000
LogP 4.42390
Index of Refraction 1.562
Storage condition 2-8℃

CHEMICAL IDENTIFICATION

RTECS NUMBER :
QJ1890000
CHEMICAL NAME :
1-Naphthalenecarboxamide, N-butyl-N-(2-(diethylamino)ethyl)-
CAS REGISTRY NUMBER :
32421-46-8
LAST UPDATED :
199612
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C21-H30-N2-O
MOLECULAR WEIGHT :
326.53
WISWESSER LINE NOTATION :
L66J BVN4&2N2&2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
122 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85KYAH "Merck Index; an Encyclopedia of Chemicals, Drugs, and Biologicals", 11th ed., Rahway, NJ 07065, Merck & Co., Inc. 1989 Volume(issue)/page/year: 11,226,1989
HS Code 2924299090
HS Code 2924299090
Summary 2924299090. other cyclic amides (including cyclic carbamates) and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%