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CAS 58-73-1

CAS 58-73-1 matches 1 EU annex record across Annex II–VI of Regulation 1223/2009.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 58-73-1
CAS 58-73-1PubChem CID 3100

Diphenhydramine

IUPAC name
2-benzhydryloxy-N,N-dimethylethanamine
Molecular formula
C17H21NO
Molecular weight
255.35 g/mol
Exact mass
255.162314293 Da
XLogP3
3.3
Topological polar surface area
12.5 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
2
Covalent units
1
Defined stereocentres
0

Also known as

BenzhydramineAlledrylProbedrylDihidralAntistominumBenzhydraminumBenzhydroaminaDiphantine
16 more reported names
BaramineDermodrinDesentolDibondrinHistaxinBenylanDifenhidraminaDifenidraminaRestaminRigidylDiphenylhydramineDiphenhydraminumEthanamine, 2-(diphenylmethoxy)-N,N-dimethyl-O-Benzhydryldimethylaminoethanol2-(Benzhydryloxy)-N,N-dimethylethylamineFAR 90X2
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External database identifiers

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

Records for CAS 58-73-1

1 total
No records found for this CAS number.

How CAS 58-73-1 is used on this site

CAS 58-73-1 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 1 EU annex record shares 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 58-73-1 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.