4-chloro-2-benzofuran-1,3-dione

1,3-Isobenzofurandione, 4-chloro-
3-Chlorophthalic acid anhydride
3-Chlorophthalic anhydride
4-Chloro-1,3-isobenzofurandione
4-Chloroisobenzofuran-1,3-dione
Phthalic anhydride, 3-chloro-

Property	Value
InChI2D key string chemrof:inchi2d_key_string	UERPUZBSSSAZJE-UHFFFAOYSA-N
InChI2D string chemrof:inchi2d_string	InChI=1S/C8H3ClO3/c9-5-3-1-2-4-6(5)8(11)12-7(4)10/h1-3H
IUPAC name chemrof:IUPAC_name	4-chloro-2-benzofuran-1,3-dione
Molecular formula chemrof:molecular_formula	C8H3ClO3
Molecular mass chemrof:molecular_mass	182.562
Monoisotopic mass chemrof:monoisotopic_mass	181.977072
SMILES string chemrof:smiles_string	O=C1OC(=O)c2c(Cl)cccc21

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=117-21-5	enrich_references.pubchem_identifier_url
chem.echa.europa.eu	https://chem.echa.europa.eu/100.003.800	enrich_references.pubchem_identifier_url
comptox.epa.gov	https://comptox.epa.gov/dashboard/DTXSID10151653	enrich_references.pubchem_identifier_url
dtp.cancer.gov	https://dtp.cancer.gov/dtpstandard/servlet/dwindex?searchtype=NSC&outputformat=html&searchlist=122937	enrich_references.pubchem_identifier_url
gsrs.ncats.nih.gov	https://gsrs.ncats.nih.gov/ginas/app/beta/substances/VO7NXT0137	enrich_references.pubchem_identifier_url
jglobal.jst.go.jp	http://jglobal.jst.go.jp/en/redirect?Nikkaji_No=J141.264G	enrich_references.pubchem_identifier_url
PubChem	https://pubchem.ncbi.nlm.nih.gov/compound/67014	enrich_references.pubchem_compound
Wikidata	https://www.wikidata.org/wiki/Q4634121	enrich_references.pubchem_identifier_url
Wikipedia	https://en.wikipedia.org/wiki/3-Chlorophthalic_anhydride	enrich_references.pubchem_identifier_url

Flow	Context	Source	Unit	CFs
3778c2cd-0f9d-4eee-a556-11a49d5d9a7f	Environmental → Air → Aircraft cruise height	EF 3.1	kg	2
cd276278-5f07-4036-a4c6-5edb6ba37bc6	Environmental → Air → Ground level → Urban (>1000 people/square mile)	EF 3.1	kg	2
c40e84f1-626b-4dfc-ae37-e8e8220ab046	Environmental → Air → Indoor	EF 3.1	kg	2
85ab74aa-b3e4-45eb-bda7-4d5fcf3ce1b2	Environmental → Air → Long-term	EF 3.1	kg	0
2688d0cb-8d94-45ae-a030-fa74bd814ab1	Environmental → Air → Medium stack, <150 meters → Rural (<1000 people/square mile)	EF 3.1	kg	2
abe03e9f-c965-4726-be7c-dbb8837b9c27	Environmental → Air → Unknown	EF 3.1	kg	2
e38e898b-0a60-40eb-977b-2fc552bdd1f6	Environmental → Ground → Agricultural	EF 3.1	kg	2
1b1ec1d3-1a90-479c-9b4f-089c0c7c2d32	Environmental → Ground → Non-agricultural	EF 3.1	kg	2
fdf4d034-1769-4639-9168-a0fb2b50a875	Environmental → Ground → Unknown	EF 3.1	kg	2
0d4471e9-16ed-443b-8cef-cecc3e71063f	Environmental → Water → Long-term	EF 3.1	kg	0
c9d0e47a-49bc-4df1-a82b-c4245a18a154	Environmental → Water → Ocean	EF 3.1	kg	2
b3b02062-06ed-4c0a-a27f-2ce81f3b8031	Environmental → Water → Surface water	EF 3.1	kg	2
2c556748-5d98-4d0a-8ad8-d8b84de91605	Environmental → Water → Unknown	EF 3.1	kg	2

Everything that changed this substance (54 changes)

Open the changes page

Flow object JSON

{
  "flow_object_id": "fo-dd7c3ac28840eaea",
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    {
      "@value": "4-chloro-2-benzofuran-1,3-dione",
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  ],
  "altLabel": [
    {
      "@value": "1,3-Isobenzofurandione, 4-chloro-",
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    },
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    },
    {
      "@value": "4-Chloro-1,3-isobenzofurandione",
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}

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4-chloro-2-benzofuran-1,3-dione

Identity

Structure

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