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CAS 20548-54-3

CAS 20548-54-3 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 20548-54-3

CAS 20548-54-3PubChem CID 10197613

Calcium Sulfide

Calcium sulfide is an organic molecular entity. — ChEBI

IUPAC name: calcium sulfide

Molecular formula: CaS
Molecular weight: 72.15 g/mol
Exact mass: 71.9346620 Da
Topological polar surface area: 1.0 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 1
Covalent units: 2
Defined stereocentres: 0

Also known as

Calcium sulphide1MBW07J51QHEPAR SULPHURIS CALCAREUMHepar SulphurisHepar SulfHEPAR SULPHRefChem:54629CRUDE CALCIUM SULFIDE

16 more reported names

Hepar Sulph Calc Kit RefillHepar sulphuris calcareum 6CHepar Sulphuris Calcareum 30cHepar sulphuris calcareum 200CHepar sulphuris calcareum 7120Hepar sulfuris 30 Special OrderHepar Sulphuris Calcareum 200ckBestmade Natural Products Hepar SulphurisBestmade Natural Products Calcium Sulfide Hepar Sulph (Calc Sulf)243-873-5calcium monosulfideCalcium sulfide (CaS)Hepar sulfuris calcareumCalcium;sulfideCALCIUM SULFIDE [MI]CHEBI:81055

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEBI:CHEBI:81055
EPA DTXSID:DTXSID30885140

Retrieved from NIH PubChem on 2026-09-02 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Records for CAS 20548-54-3

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How CAS 20548-54-3 is used on this site

CAS 20548-54-3 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 20548-54-3 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.