U-0521

Modify Date: 2025-08-26 21:21:30

U-0521 Structure
U-0521 structure
Common Name U-0521
CAS Number 5466-89-7 Molecular Weight 180.20000
Density 1.191g/cm3 Boiling Point 372.2ºC at 760mmHg
Molecular Formula C10H12O3 Melting Point N/A
MSDS N/A Flash Point 193.1ºC

 Use of U-0521


U-0521 is the inhibitor of the catechol-O-methyltransferase (COMT). U-0521 has the potential for the research of Parkinson's disease[1].

 Names

Name 1-(3,4-dihydroxyphenyl)-2-methylpropan-1-one
Synonym More Synonyms

 U-0521 Biological Activity

Description U-0521 is the inhibitor of the catechol-O-methyltransferase (COMT). U-0521 has the potential for the research of Parkinson's disease[1].
Related Catalog
Target

COMT[1]

In Vitro U-0521 inhibits RBC COMT activity in a dose-dependent manner with an IC50 of 6 x10-6 M[1].
In Vivo U-0521 (i.p.; 0-250 mg/kg; 10 min) inhibits COMT activity in a dose-dependent manner. 50% inhibition of enzyme activity is obtained at 90 mg/kg and maximum inhibition of 90% is obtained at 250 mg/kg[1]. Animal Model: Male Sprague-Dawley rats (180-250 g)[1] Dosage: 0-250 mg/kg Administration: i.p.; 10 min Result: Inhibited COMT activity in a dose-dependent manner. 50% inhibition of enzyme activity was obtained at 90mg/kg and maximum inhibition of 90% was obtained at 250 mg/kg.
References

[1]. Reches A, et al. Effect of 3',4'-dihydroxy-2-methyl-propriophenone (U-0521) on catechol-O-methyltransferase activity and on DOPA accumulation in rat red blood cells and corpus striatum. Biochem Pharmacol. 1982;31(21):3415-3418.

 Chemical & Physical Properties

Density 1.191g/cm3
Boiling Point 372.2ºC at 760mmHg
Molecular Formula C10H12O3
Molecular Weight 180.20000
Flash Point 193.1ºC
Exact Mass 180.07900
PSA 57.53000
LogP 1.93650
Index of Refraction 1.565
InChIKey VDQLKIBLTMPAHI-UHFFFAOYSA-N
SMILES CC(C)C(=O)c1ccc(O)c(O)c1

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
NQ5605000
CHEMICAL NAME :
Isobutyrophenone, 3',4'-dihydroxy-
CAS REGISTRY NUMBER :
5466-89-7
LAST UPDATED :
199712
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C10-H12-O3
MOLECULAR WEIGHT :
180.22
WISWESSER LINE NOTATION :
QR BQ DVY1&1

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 :
650 mg/kg
TOXIC EFFECTS :
Behavioral - altered sleep time (including change in righting reflex)
REFERENCE :
JMCMAR Journal of Medicinal Chemistry. (American Chemical Soc., Distribution Office Dept. 223, POB POB 57136, West End Stn., Washington, DC 20037) V.6- 1963- Volume(issue)/page/year: 7,178,1964

 Safety Information

HS Code 2914501900

 Precursor & DownStream

Precursor  0

DownStream  1

 Customs

HS Code 2914501900
Summary 2914501900 other ketone-phenols。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

 Synonyms

U-0521
3',4'-Dihydroxyisobutyrophenone
3,4-Dihydroxyisobutyrophenon
3,4-Dihydroxyphenyl-isopropylketon
3',4'-Dihydroxy-2-methylpropiophenone
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