CosIng Checker
CosIng Checker
EU cosmetic ingredients, restrictions and safety
Login
CAS 0 records

CAS 4707-32-8

CAS 4707-32-8 matches 0 EU annex records across Annex II–VI of Regulation 1223/2009.

Check this CAS numberBrowse annexes

Chemical identity and properties

PubChem 2D chemical structure for CAS 4707-32-8
CAS 4707-32-8PubChem CID 3885

Beta-Lapachone

IUPAC name
2,2-dimethyl-3,4-dihydrobenzo[h]chromene-5,6-dione
Molecular formula
C15H14O3
Molecular weight
242.27 g/mol
Exact mass
242.094294304 Da
XLogP3
2.2
Topological polar surface area
43.4 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
3
Covalent units
1
Defined stereocentres
0

Also known as

lapachoneLapachone, beta-3,4-Dihydro-2,2-dimethyl-2H-naphtho[1,2-B]pyran-5,6-dioneARQ 501Beta-lap-wjARQ-5013,4-Dihydro-2,2-dimethyl-2H-naphtho(1,2-b)pyran-5,6-dione6N4FA2QQ6A
16 more reported names
NSC-26326Beta lapachoneNSC-6297492H-Naphtho[1,2-b]pyran-5,6-dione, 3,4-dihydro-2,2-dimethyl-2H-Naphtho(1,2-b)pyran-5,6-dione, 3,4-dihydro-2,2-dimethyl-ARQ501CHEBI:104292,2-dimethyl-3,4-dihydrobenzo(h)chromene-5,6-dioneRefChem:5678932,2-Dimethyl-3,4-dihydro-2H-benzo[h]chromene-5,6-dione.beta.-LapachoneNSC 26326SL 11001UNII-6N4FA2QQ6AARQ-501 (beta lapachone)NSC 629749
Open full PubChem recordPubChem annotations3D structure image
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 4707-32-8

0 total
No records found for this CAS number.

How CAS 4707-32-8 is used on this site

CAS 4707-32-8 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 4707-32-8 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.