Phthalazine

2,3-benzodiazine
2,3-diazanaphthalene
benzo[d]pyridazine
benzopyridazine
beta-phenodiazine
β-Phenodiazine

Property	Value
Elemental charge chemrof:elemental_charge	0
InChI2D key string chemrof:inchi2d_key_string	LFSXCDWNBUNEEM-UHFFFAOYSA-N
InChI2D string chemrof:inchi2d_string	InChI=1S/C8H6N2/c1-2-4-8-6-10-9-5-7(8)3-1/h1-6H
IUPAC name chemrof:IUPAC_name	Phthalazine
Molecular formula chemrof:molecular_formula	C8H6N2
Molecular mass chemrof:molecular_mass	130.15
Monoisotopic mass chemrof:monoisotopic_mass	130.053098, 130.0531
SMILES string chemrof:smiles_string	c1ccc2cnncc2c1

Where else this substance is described. Collected while the pipeline resolved it — from ChEBI's cross-references, from PubChem's identifier list, and from the CAS number — so a link here is a record the merge actually read, not a search it suggests.

Resource	URL	Recorded by
CAS Common Chemistry	https://commonchemistry.cas.org/detail?cas_rn=253-52-1	enrich_references.chebi_xrefs
ChEBI	https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:36597	enrich_references.chebi_id_link
chem.echa.europa.eu	https://chem.echa.europa.eu/100.005.422	enrich_references.pubchem_identifier_url
comptox.epa.gov	https://comptox.epa.gov/dashboard/DTXSID9049407	enrich_references.pubchem_identifier_url
dtp.cancer.gov	https://dtp.cancer.gov/dtpstandard/servlet/dwindex?searchtype=NSC&outputformat=html&searchlist=62484	enrich_references.pubchem_identifier_url
dtp.cancer.gov	https://dtp.cancer.gov/dtpstandard/servlet/dwindex?searchtype=NSC&outputformat=html&searchlist=63241	enrich_references.pubchem_identifier_url
ebi.ac.uk	https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL1650268	enrich_references.pubchem_identifier_url
gmelin	gmelin:218064	enrich_references.chebi_xrefs
gsrs.ncats.nih.gov	https://gsrs.ncats.nih.gov/ginas/app/beta/substances/91Y28DM24N	enrich_references.pubchem_identifier_url
HMDB	https://hmdb.ca/metabolites/HMDB0256500	enrich_references.pubchem_identifier_url
jglobal.jst.go.jp	http://jglobal.jst.go.jp/en/redirect?Nikkaji_No=J5.440B	enrich_references.pubchem_identifier_url
metabolomicsworkbench.org	https://www.metabolomicsworkbench.org/data/StructureData.php?RegNo=55425	enrich_references.pubchem_identifier_url
pharmgkb.org	https://www.pharmgkb.org/chemical/PA166354281	enrich_references.pubchem_identifier_url
PubChem	https://pubchem.ncbi.nlm.nih.gov/compound/9207	enrich_references.pubchem_compound
PubMed	https://pubmed.ncbi.nlm.nih.gov/21169055	enrich_references.chebi_xrefs
PubMed	https://pubmed.ncbi.nlm.nih.gov/21940905	enrich_references.chebi_xrefs
reaxys	reaxys:109240	enrich_references.chebi_xrefs
Wikidata	https://www.wikidata.org/wiki/Q6593919	enrich_references.pubchem_identifier_url
Wikipedia	https://en.wikipedia.org/wiki/Phthalazine	enrich_references.chebi_xrefs

Flow	Context	Source	Unit	CFs
27e59c2c-6271-48f4-a144-70f1cf2b0603	Environmental → Air → Aircraft cruise height	EF 3.1	kg	2
a9b4a68b-2704-4eec-8246-d245658ce2ab	Environmental → Air → Ground level → Urban (>1000 people/square mile)	EF 3.1	kg	2
1bcc42fe-964c-4301-8417-7a3c6e0624d7	Environmental → Air → Indoor	EF 3.1	kg	2
28c27e50-9723-4381-b5cd-334b56fe6ee0	Environmental → Air → Long-term	EF 3.1	kg	0
7b673909-1a46-4e8b-9354-96eb2666a7a6	Environmental → Air → Medium stack, <150 meters → Rural (<1000 people/square mile)	EF 3.1	kg	2
4f713275-ec28-45ba-95dd-12c2d6a45037	Environmental → Air → Unknown	EF 3.1	kg	2
59f88ba2-8895-4f58-8330-33ac0f483c31	Environmental → Ground → Agricultural	EF 3.1	kg	2
7565904c-923c-4ce5-82e4-07d19c41ae16	Environmental → Ground → Non-agricultural	EF 3.1	kg	2
093d4575-67d2-4ad1-b68a-64cab015145c	Environmental → Ground → Unknown	EF 3.1	kg	2
b6607d32-cc1b-437b-b22d-5034b6fa6f51	Environmental → Water → Long-term	EF 3.1	kg	0
3ef06c69-7f57-4586-a298-e80561090663	Environmental → Water → Ocean	EF 3.1	kg	2
8419c21c-48ee-4af6-855e-fb35c303df9f	Environmental → Water → Surface water	EF 3.1	kg	2
ea2a4415-0f06-42d6-8869-5cf321be4dc1	Environmental → Water → Unknown	EF 3.1	kg	2

Everything that changed this substance (57 changes)

Open the changes page

Flow object JSON

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You do not need to run a build or clone anything. Name the record and say what your evidence is; the measurement is done for you. How contributing works

Phthalazine

Identity

Structure

Alternative labels

Properties

Known URLs

Elementary flows

History

Full record

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