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CAS 505-73-7

CAS 505-73-7 matches 0 EU annex records across Annex II–VI of Regulation 1223/2009.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 505-73-7

CAS 505-73-7PubChem CID 68164

Dithiodiglycolic acid

IUPAC name: 2-(carboxymethyldisulfanyl)acetic acid

Molecular formula: C4H6O4S2
Molecular weight: 182.2 g/mol
Exact mass: 181.97075102 Da
XLogP3: 0.1
Topological polar surface area: 125.0 Å²
Hydrogen-bond donors: 2
Hydrogen-bond acceptors: 6
Covalent units: 1
Defined stereocentres: 0

Also known as

Acetic acid, 2,2'-dithiobis-Dithiodiacetic acidDithioglycolic acid2,2'-Dithiodiacetic acidThioglycolate disulfideAcetic acid, dithiodi-NSC-540887ZZ0LAL4TI

16 more reported names

Bis(carboxymethyl) disulfideNSC 540882,2'-Dithiobisacetic acidmercaptoacetic acid disulfide2,2'-Dithiodi(acetic) acidBIS(MERCAPTOACETIC ACID)2,2'-DITHIODIETHANOIC ACIDEINECS 208-019-8Acetic acid, dithiodi2,2'Dithiodiacetic acidRefChem:5898432,2'Dithiobisacetic acid2,2'Dithiodi(acetic) acidAcetic acid, 2,2'dithiobisAcetic acid, dithiodi (8CI)Acetic acid, dithiodi-(8CI)

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External database identifiers

ChEMBL:CHEMBL1611974
EPA DTXSID:DTXSID6060131
PubMed:21433198
PubMed:15469274

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

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How CAS 505-73-7 is used on this site

CAS 505-73-7 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 0 EU annex records share this identifier, which helps you cross-check whether the same substance appears under one regulatory context or several.

Use this page when a supplier specification, SDS or raw-material dossier gives you CAS 505-73-7 and you need to see every linked Annex II–VI record in one place. The entry cards above are the quickest route to concentration limits, warnings, annex placement and product-type conditions.