paramethadione (500 mg)

Modify Date: 2025-09-10 16:42:21

paramethadione (500 mg) Structure
paramethadione (500 mg) structure
Common Name paramethadione (500 mg)
CAS Number 115-67-3 Molecular Weight 157.16700
Density d425 1.1180-1.1240 Boiling Point 281.82°C (rough estimate)
Molecular Formula C7H11NO3 Melting Point N/A
MSDS N/A Flash Point N/A

 Use of paramethadione (500 mg)


Parametadione (Isoethadione) is an antiepileptic agent[1].

 Names

Name 5-ethyl-3,5-dimethyl-1,3-oxazolidine-2,4-dione
Synonym More Synonyms

 Chemical & Physical Properties

Density d425 1.1180-1.1240
Boiling Point 281.82°C (rough estimate)
Molecular Formula C7H11NO3
Molecular Weight 157.16700
Exact Mass 157.07400
PSA 46.61000
LogP 0.70160
Index of Refraction nD25 1.449
InChIKey VQASKUSHBVDKGU-UHFFFAOYSA-N
SMILES CCC1(C)OC(=O)N(C)C1=O

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
RP9800000
CHEMICAL NAME :
2,4-Oxazolidinedione, 5-ethyl-3,5-dimethyl-
CAS REGISTRY NUMBER :
115-67-3
BEILSTEIN REFERENCE NO. :
0127715
LAST UPDATED :
199612
DATA ITEMS CITED :
6
MOLECULAR FORMULA :
C7-H11-N-O3
MOLECULAR WEIGHT :
157.19
WISWESSER LINE NOTATION :
T5OVNV EHJ C1 E2 E1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
27ZQAG "Psychotropic Drugs and Related Compounds," 2nd ed., Usdin, E., and D.H. Efron, Washington, DC, 1972 Volume(issue)/page/year: -,280,1972
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
750 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
27ZQAG "Psychotropic Drugs and Related Compounds," 2nd ed., Usdin, E., and D.H. Efron, Washington, DC, 1972 Volume(issue)/page/year: -,280,1972 ** REPRODUCTIVE DATA **
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
2640 mg/kg
SEX/DURATION :
female 6-15 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - litter size (e.g. # fetuses per litter; measured before birth) Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus) Reproductive - Effects on Embryo or Fetus - fetal death
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 37,126,1976
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
2640 mg/kg
SEX/DURATION :
female 6-15 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - musculoskeletal system Reproductive - Specific Developmental Abnormalities - homeostasis
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 37,126,1976
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Unreported
DOSE :
1273 mg/kg
SEX/DURATION :
female 8-10 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - musculoskeletal system Reproductive - Specific Developmental Abnormalities - cardiovascular (circulatory) system
REFERENCE :
FEPRA7 Federation Proceedings, Federation of American Societies for Experimental Biology. (Bethesda, MD) V.1-46, 1942-87. Volume(issue)/page/year: 38,438,1979 *** REVIEWS *** TOXICOLOGY REVIEW AJMEAZ American Journal of Medicine. (Technical Pub., 875 Third Ave., New York, NY 10022) V.1- 1946- Volume(issue)/page/year: 38,409,1965

 Safety Information

RIDADR NONH for all modes of transport
HS Code 2934999090

 Synthetic Route

~%

paramethadione (500 mg) Structure

paramethadione ...

CAS#:115-67-3

Literature: Journal of the American Chemical Society, , vol. 66, p. 1244 US2575692 , ;

~%

paramethadione (500 mg) Structure

paramethadione ...

CAS#:115-67-3

Literature: US2559011 , ; DE834992 , ; DRP/DRBP Org.Chem.

 Precursor & DownStream

Precursor  2

DownStream  0

 Customs

HS Code 2934999090
Summary 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

Parametadione [DCIT]
5-ethyl-3,5-dimethyl-oxazolidine-2,4-dione
Paramethadionum
Parametadiona
Parametadione
5-Ethyl-3,5-dimethyloxazolidine-2,4-dione
Paramethadion
Parametadiona [INN-Spanish]
Isoethadione
Paramethadionum [INN-Latin]
Paradione
EINECS 204-098-8
paramethadione
5-Aethyl-3,5-dimethyl-oxazolidin-2,4-dion
3,5-Dimethyl-5-ethyl-2,4-oxazoldion
Paradione (TN)
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