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CAS 19683-98-8

CAS 19683-98-8 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 19683-98-8
CAS 19683-98-8PubChem CID 10957430

(3S,4R,5S)-4-Hydroxy-5-methoxy-4-((2S,3R)-2-methyl-3-(3-methyl-2-buten-1-yl)-2-oxiranyl)-1-oxaspiro(2.5)octan-6-one

(3S,4R,5S)-4-hydroxy-5-methoxy-4-[(2S,3R)-2-methyl-3-(3-methylbut-2-en-1-yl)oxiran-2-yl]-1-oxaspiro[2.5]octan-6-one has been reported in Pseudeurotium ovale, Aspergillus fumigatus, and Sporothrix with data available. — LOTUS - the natural products occurrence database

IUPAC name
(3S,4R,5S)-4-hydroxy-5-methoxy-4-[(2S,3R)-2-methyl-3-(3-methylbut-2-enyl)oxiran-2-yl]-1-oxaspiro[2.5]octan-6-one
Molecular formula
C16H24O5
Molecular weight
296.36 g/mol
Exact mass
296.16237386 Da
XLogP3
0.6
Topological polar surface area
71.6 Ų
Hydrogen-bond donors
1
Hydrogen-bond acceptors
5
Covalent units
1
Defined stereocentres
5

Also known as

OvalicinXBF6GMZ9TW(3S,4R,5S)-4-hydroxy-5-methoxy-4-((2S,3R)-2-methyl-3-(3-methylbut-2-enyl)oxiran-2-yl)-1-oxaspiro(2.5)octan-6-one(3S,4R,5S)-4-Hydroxy-5-methoxy-4-[(2S,3R)-2-methyl-3-(3-methyl-2-buten-1-yl)-2-oxiranyl]-1-oxaspiro[2.5]octan-6-oneRefChem:208344(3S,4R,5S)-4-hydroxy-5-methoxy-4-((2S)-2-methyl-3-(3-methylbut-2-enyl)oxiran-2-yl)-1-oxaspiro(2.5)octan-6-oneGraphinone(-)-Ovalicin
9 more reported names
1-Oxaspiro(2,5)octan-6-one, 4-(1,2-epoxy-1,5-dimethyl-4-hexenyl)-4-hydroxy-5-methoxy-, (1S,2R,3S,4R,5S)-(-)-UNII-XBF6GMZ9TW1-Oxaspiro[2.5]octan-6-one, 4-(1,2-epoxy-1,5-dimethyl-4-hexenyl)-4-hydroxy-5-methoxy-, (1S,2R,3S,4R,5S)-(-)-HY-156959CS-0904954(3S,4R,5S)-4-Hydroxy-5-methoxy-4-((2S,3R)-2-methyl-3-(3-methylbut-2-en-1-yl)oxiran-2-yl)-1-oxaspiro[2.5]octan-6-one1-Oxaspiro[2.5]octan-6-one, 4-hydroxy-5-methoxy-4-[(2S,3R)-2-methyl-3-(3-methyl-2-buten-1-yl)-2-oxiranyl]-, (3S,4R,5S)-1-Oxaspiro[2.5]octan-6-one, 4-hydroxy-5-methoxy-4-[(2S,3R)-2-methyl-3-(3-methyl-2-butenyl)oxiranyl]-, (3S,4R,5S)-4-Hydroxy-5-methoxy-4-[(2S,3R)-2-methyl-3-(3-methyl-but-2-enyl)-oxiranyl]-1-oxa-spiro[2.5]octan-6-one
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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.

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CAS 19683-98-8 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 19683-98-8 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.