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CAS 6066-82-6

CAS 6066-82-6 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 6066-82-6

CAS 6066-82-6PubChem CID 80170

N-Hydroxysuccinimide

IUPAC name: 1-hydroxypyrrolidine-2,5-dione

Molecular formula: C4H5NO3
Molecular weight: 115.09 g/mol
Exact mass: 115.026943022 Da
XLogP3: -1.4
Topological polar surface area: 57.6 Å²
Hydrogen-bond donors: 1
Hydrogen-bond acceptors: 3
Covalent units: 1
Defined stereocentres: 0

Also known as

1-Hydroxysuccinimide1-Hydroxy-2,5-pyrrolidinedioneHydroxysuccinimide2,5-Pyrrolidinedione, 1-hydroxy-Succinimide, N-hydroxy-MJE3791M4TNSC-74335RefChem:830145

16 more reported names

228-001-3HOSuN-hydroxy succinimideN-hydroxysuccinimide (HOSu)NHSTofacitinib Impurity 121N-hydroxysuccinimidCCRIS 2604N-hydroxy-succinimideEINECS 228-001-3NSC 74335N-hydroxysuccinic acid imideUNII-MJE3791M4T1-hydroxy-pyrrolidine-2,5-dioneN-hydroxysucinimideN-hyroxysuccinimide

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External database identifiers

ChEMBL:CHEMBL403753
EPA DTXSID:DTXSID7064102

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 6066-82-6 is used on this site

CAS 6066-82-6 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 6066-82-6 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.