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Phthalazinol

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Name

Phthalazinol

EINECS N/A
CAS No. 56611-65-5 Density 1.34g/cm3
PSA 92.28000 LogP 1.20890
Solubility N/A Melting Point 174°C
Formula C14H16 N2 O4 Boiling Point 419.2°C (rough estimate)
Molecular Weight 276.292 Flash Point N/A
Transport Information N/A Appearance N/A
Safety Moderately toxic by ingestion and intraperitoneal routes. An experimental teratogen. Experimental reproductive effects. When heated to decomposition it emits toxic fumes of NOx. Risk Codes N/A
Molecular Structure Molecular Structure of 56611-65-5 (Oxagrelate) Hazard Symbols N/A
Synonyms

EG 626; NSC305351; Oxagrelate; Phthalazinol; Phthalazinol (phosphodiesterase inhibitor)

 

Phthalazinol Chemical Properties

Product Name: Phthalazinol
CAS Registry Number: 56611-65-5
Synonyms:  5-25-09-00038 (Beilstein Handbook Reference) ;  7-Ethoxycarbonyl-4-hydroxymethyl-6,8-dimethyl-1(2H)-phthalazinone ;  BRN 0811823 ;  EG 626 ;  Ethyl 1,2-dihydro-4-hydroxymethyl-6,8-dimethyl-1-oxo-7-phthalazinylcarboxylat ; Ethyl 3,4-dihydro-1-(hydroxymethyl)-5,7-dimethyl-4-oxo-6-phthalazinecarboxylate ;  Oxagrelate ; Oxagrelato ; Oxagrelato [INN-Spanish] ; Oxagrelatum ; Oxagrelatum [INN-Latin] ; Phthalazinol ; Phthalazinol (phosphodiesterase inhibitor) ; SC 32840 ; UNII-V17MYO89WO ; 6-Phthalazinecarboxylic acid, 3,4-dihydro-1-(hydroxymethyl)-5,7-dimethyl-4-oxo-, ethyl ester
IUPAC Name: ethyl 1-(hydroxymethyl)-5,7-dimethyl-4-oxo-3H-phthalazine-6-carboxylate
Molecular Weight: 276.28784 [g/mol]  
Molecular Formula: C14H16N2O 
XLogP3-AA: 1.3  
H-Bond Donor: 2  
H-Bond Acceptor: 5 
Canonical SMILES: CCOC(=O)C1=C(C=C2C(=NNC(=O)C2=C1C)CO)C
InChI: InChI=1S/C14H16N2O4/c1-4-20-14(19)11-7(2)5-9-10(6-17)15-16-13(18)12(9)8(11)3/h5,17H,4,6H2,1-3H3,(H,16,18)
InChIKey: DUQOOLBWGUKRAJ-UHFFFAOYSA-N
Surface Tension:  46.5 dyne/cm 
Density:  1.34 g/cm3
Following is the molecular structure of Phthalazinol (CAS NO.56611-65-5) is:

Phthalazinol Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal 780mg/kg (780mg/kg) SENSE ORGANS AND SPECIAL SENSES: PTOSIS: EYE

BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD

BEHAVIORAL: ATAXIA
Kiso to Rinsho. Clinical Report. Vol. 16, Pg. 6247, 1982.
mouse LD50 oral 1850mg/kg (1850mg/kg) SENSE ORGANS AND SPECIAL SENSES: PTOSIS: EYE

BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD

BEHAVIORAL: ATAXIA
Kiso to Rinsho. Clinical Report. Vol. 16, Pg. 6247, 1982.
rabbit LD50 intraperitoneal 700mg/kg (700mg/kg) SENSE ORGANS AND SPECIAL SENSES: PTOSIS: EYE

BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD
Kiso to Rinsho. Clinical Report. Vol. 16, Pg. 6247, 1982.
rabbit LD50 oral 1020mg/kg (1020mg/kg) SENSE ORGANS AND SPECIAL SENSES: PTOSIS: EYE

BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD
Kiso to Rinsho. Clinical Report. Vol. 16, Pg. 6247, 1982.
rat LD50 intraperitoneal 570mg/kg (570mg/kg) SENSE ORGANS AND SPECIAL SENSES: PTOSIS: EYE

BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD

BEHAVIORAL: ATAXIA
Kiso to Rinsho. Clinical Report. Vol. 16, Pg. 6247, 1982.
rat LD50 oral 1750mg/kg (1750mg/kg) SENSE ORGANS AND SPECIAL SENSES: PTOSIS: EYE

BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD

BEHAVIORAL: ATAXIA
Kiso to Rinsho. Clinical Report. Vol. 16, Pg. 6247, 1982.

Phthalazinol Safety Profile

Moderately toxic by ingestion and intraperitoneal routes. An experimental teratogen. Experimental reproductive effects. When heated to decomposition it emits toxic fumes of NOx.

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