Ciproquazone

Modify Date: 2025-08-25 12:29:22

Ciproquazone Structure
Ciproquazone structure
Common Name Ciproquazone
CAS Number 33453-23-5 Molecular Weight 306.35800
Density 1.26g/cm3 Boiling Point 483.8ºC at 760mmHg
Molecular Formula C19H18N2O2 Melting Point N/A
MSDS N/A Flash Point 246.4ºC

 Use of Ciproquazone


Ciproquazone has analgesic activity and is used to treat spondylitis.

 Names

Name 1-(cyclopropylmethyl)-6-methoxy-4-phenylquinazolin-2-one
Synonym More Synonyms

 Ciproquazone Biological Activity

Description Ciproquazone has analgesic activity and is used to treat spondylitis.
References 1. Vega S, et al. Thiophene isosteres: synthesis and biological evaluation of 3-substituted derivatives of 4-phenyl-2-thioxo-benzo [4, 5] thieno [2, 3-d] pyrimidine. European journal of medicinal chemistry, 1991, 26(3): 323-329.

 Chemical & Physical Properties

Density 1.26g/cm3
Boiling Point 483.8ºC at 760mmHg
Molecular Formula C19H18N2O2
Molecular Weight 306.35800
Flash Point 246.4ºC
Exact Mass 306.13700
PSA 44.12000
LogP 3.48210
Index of Refraction 1.653
InChIKey VAFNJIFAZJWWNI-UHFFFAOYSA-N
SMILES COc1ccc2c(c1)c(-c1ccccc1)nc(=O)n2CC1CC1

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
VA3100333
CHEMICAL NAME :
2(1H)-Quinazolinone, 1-(cyclopropylmethyl)-6-methoxy-4-phenyl-
CAS REGISTRY NUMBER :
33453-23-5
BEILSTEIN REFERENCE NO. :
0761592
LAST UPDATED :
199612
DATA ITEMS CITED :
2
MOLECULAR FORMULA :
C19-H18-N2-O2
MOLECULAR WEIGHT :
306.39

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
3 gm/kg/30D-I
TOXIC EFFECTS :
Liver - changes in liver weight Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol) Related to Chronic Data - changes in testicular weight
REFERENCE :
KSRNAM Kiso to Rinsho. Clinical Report. (Yubunsha Co., Ltd., 1-5, Kanda Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan) V.1- 1960- Volume(issue)/page/year: 13,1991,1979
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
9100 mg/kg/13W-I
TOXIC EFFECTS :
Kidney, Ureter, Bladder - changes in bladder weight Blood - changes in erythrocyte (RBC) count Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
KSRNAM Kiso to Rinsho. Clinical Report. (Yubunsha Co., Ltd., 1-5, Kanda Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan) V.1- 1960- Volume(issue)/page/year: 13,1991,1979

 Synthetic Route

~%

Ciproquazone Structure

Ciproquazone

CAS#:33453-23-5

Literature: Sumitomo Chemical Company, Limited Patent: US4387223 A1, 1983 ;

 Precursor & DownStream

Precursor  2

DownStream  0

 Synonyms

1-Cyclopropylmethyl-4-phenyl-6-methoxy-2(1H)-chinazolinon
1-Cyclopropylmethyl-4-phenyl-6-methoxy-2(1H)-quinazolinone
1-cyclopropylmethyl-6-methoxy-4-phenyl-1H-quinazolin-2-one
Ciproquazonum [INN-Latin]
CIPROQUAZONE
SL-573
Ciproquazona
1-(Cyclopropyl-methyl)-4-phenyl-6-methoxy-1H-chinazolinon-(2)
2(1H)-Quinazolinone,1-(cyclopropylmethyl)-6-methoxy-4-phenyl
1-(Cyclopropylmethyl)-6-methoxy-4-phenyl-2(1H)-quinazolinone
Ciproquazona [INN-Spanish]
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