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CAS 19542-74-6

CAS 19542-74-6 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 19542-74-6

CAS 19542-74-6PubChem CID 23678798

Acetylcysteine Sodium

IUPAC name: sodium (2R)-2-acetamido-3-sulfanylpropanoate

Molecular formula: C5H8NNaO3S
Molecular weight: 185.18 g/mol
Exact mass: 185.01225857 Da
Topological polar surface area: 70.2 Å²
Hydrogen-bond donors: 2
Hydrogen-bond acceptors: 4
Covalent units: 2
Defined stereocentres: 1

Also known as

L-CYSTEINE, N-ACETYL-, SODIUM SALTNRD80R06FBAcetylcysteine sodium saltCINNAMIDOPROPYLTRIMONIUM ACETYLCYSTEINATERefChem:109130243-143-6Sodium N-acetyl-L-cysteinatesodium;(2R)-2-acetamido-3-sulfanylpropanoate

10 more reported names

Sodium (R)-2-acetamido-3-mercaptopropanoatesodium N-acetylcysteinateUNII-NRD80R06FBAcetylcysteine GNREINECS 243-143-6Sodium N-Acetyl-CysteinateSODIUM ACETYL CYSTEINATEn-acetyl-l-cysteine sodium saltACETYLCYSTEINE SODIUM [MART.]ACETYLCYSTEINE SODIUM [WHO-DD]

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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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CAS 19542-74-6 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 19542-74-6 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.