1-CHLOROPHTHALAZINE

Modify Date: 2026-06-30 20:25:36

1-CHLOROPHTHALAZINE Structure
1-CHLOROPHTHALAZINE structure
Common Name 1-CHLOROPHTHALAZINE
CAS Number 5784-45-2 Molecular Weight 164.59200
Density 1.349g/cm3 Boiling Point 364.3ºC at 760mmHg
Molecular Formula C8H5ClN2 Melting Point 109-112ºC
MSDS N/A Flash Point 205.6ºC

 Names

Name 1-Chlorophthalazine
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.349g/cm3
Boiling Point 364.3ºC at 760mmHg
Melting Point 109-112ºC
Molecular Formula C8H5ClN2
Molecular Weight 164.59200
Flash Point 205.6ºC
Exact Mass 164.01400
PSA 25.78000
LogP 2.28320
Index of Refraction 1.643
InChIKey UCOVESIAFFGEOR-UHFFFAOYSA-N
SMILES Clc1nncc2ccccc12

 Safety Information

Hazard Codes Xi

 Synthetic Route

~90%

1-CHLOROPHTHALAZINE Structure

1-CHLOROPHTHALAZINE

CAS#:5784-45-2

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Literature: MYRIAD GENETICS, INC.; CYTOVIA, INC. Patent: WO2006/74223 A2, 2006 ; Location in patent: Page/Page column 26; 49 ; WO 2006/074223 A2

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1-CHLOROPHTHALAZINE Structure

1-CHLOROPHTHALAZINE

CAS#:5784-45-2

Learn More
Literature: Chemische Berichte, , vol. 26, p. 525

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1-CHLOROPHTHALAZINE Structure

1-CHLOROPHTHALAZINE

CAS#:5784-45-2

Learn More
Literature: Chemische Berichte, , vol. 26, p. 525

 1-CHLOROPHTHALAZINEBioassay

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Name: Discovery of Small Molecules to Inhibit Human Cytomegalovirus Nuclear Egress
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
Target: HCMV UL50
External Id: HMS1262
Name: A screen for compounds that inhibit the activity of LtaS in Staphylococcus aureus
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
External Id: HMS979
Name: A screen for compounds that inhibit viral RNA polymerase binding and polymerization a...
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
Target: Chain A, Poliovirus Polymerase With Gtp
External Id: HMS750
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 Synonyms

1-chlorophthalazine
Hydrochlorothiazide Impurity 2
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