2-Methylquinazolin-4-ol

Modify Date: 2024-01-02 20:45:57

2-Methylquinazolin-4-ol Structure
2-Methylquinazolin-4-ol structure
Common Name 2-Methylquinazolin-4-ol
CAS Number 1769-24-0 Molecular Weight 160.17300
Density 1.26 g/cm3 Boiling Point 305.4ºC at 760 mmHg
Molecular Formula C9H8N2O Melting Point 231-233ºC(lit.)
MSDS N/A Flash Point 138.5ºC

 Use of 2-Methylquinazolin-4-ol


2-Methylquinazolin-4-ol is a potent competitive poly(ADP-ribose) synthetase inhibitor, with a Ki of 1.1 μM. 2-Methylquinazolin-4-ol mammalian aspartate transcarbamylase (ATCase) inhibitor, with 0.20 mM[1][2].

 Names

Name 2-Methylquinazolin-4-ol
Synonym More Synonyms

 2-Methylquinazolin-4-ol Biological Activity

Description 2-Methylquinazolin-4-ol is a potent competitive poly(ADP-ribose) synthetase inhibitor, with a Ki of 1.1 μM. 2-Methylquinazolin-4-ol mammalian aspartate transcarbamylase (ATCase) inhibitor, with 0.20 mM[1][2].
Related Catalog
In Vitro 2-Methylquinazolin-4-ol inhibits ATCase in a concentration-dependent manner[1].
In Vivo 2-Methylquinazolin-4-ol (0.2-1 mg; i.g.; for two days) inhibits ATCase in a dosedependent manner in vivo[2]. Animal Model: Mice[2] Dosage: 0.2 mg, 0.4 mg, 0.6 mg, 0.8 mg, 1 mg Administration: Oral gavage, for two days Result: Showed an inhibitory effect upon ATCase.
References

[1]. S Yoshida, et al. Production of 2-methyl-4[3H]-quinazolinone, an inhibitor of poly(ADP-ribose) synthetase, by bacterium. J Antibiot (Tokyo). 1991 Jan;44(1):111-2.

[2]. Mahmoud Balbaa, et al. Inhibition of mammalian aspartate transcarbamylase by quinazolinone derivatives. J Enzyme Inhib Med Chem. 2008 Aug;23(4):483-92.

 Chemical & Physical Properties

Density 1.26 g/cm3
Boiling Point 305.4ºC at 760 mmHg
Melting Point 231-233ºC(lit.)
Molecular Formula C9H8N2O
Molecular Weight 160.17300
Flash Point 138.5ºC
Exact Mass 160.06400
PSA 45.75000
LogP 1.23150

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
VA3677000
CHEMICAL NAME :
4(3H)-Quinazolinone, 2-methyl-
CAS REGISTRY NUMBER :
1769-24-0
LAST UPDATED :
199609
DATA ITEMS CITED :
3
MOLECULAR FORMULA :
C9-H8-N2-O
MOLECULAR WEIGHT :
160.19
WISWESSER LINE NOTATION :
T66 BVM ENJ D1

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 :
859 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 12,1204,1962
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
592 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 12,1204,1962
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Parenteral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
500 mg/kg
TOXIC EFFECTS :
Autonomic Nervous System - smooth muscle relaxant (mechanism undefined, spasmolytic) Behavioral - tremor Behavioral - muscle weakness
REFERENCE :
PCJOAU Pharmaceutical Chemistry Journal (English Translation). Translation of KHFZAN. (Plenum Pub. Corp., 233 Spring St., New York, NY 10013) No.1- 1967- Volume(issue)/page/year: 7,626,1973

 Safety Information

Hazard Codes Xi: Irritant;
Risk Phrases R36/37/38
Safety Phrases S26;S37/S39
WGK Germany 3
RTECS VA3677000
HS Code 2933990090

 Synthetic Route

 Customs

HS Code 2933990090
Summary 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

EINECS 217-189-2
MFCD00006887
2-methyl-4(3h)-quinazolinone
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