- IUPAC name
- oxacyclohexadecan-2-one
- Molecular formula
- C15H28O2
- Molecular weight
- 240.38 g/mol
- Exact mass
- 240.208930132 Da
- XLogP3
- 5.8
- Topological polar surface area
- 26.3 Ų
- Hydrogen-bond donors
- 0
- Hydrogen-bond acceptors
- 2
- Covalent units
- 1
- Defined stereocentres
- 0
Also known as
CyclopentadecanolideExaltolidePentalidePentadecan-15-olideMuskolactoneThibetolideomega-PentadecalactoneFEMA No. 2840
16 more reported names
OK17S3S98KNSC-36763EXALTEXPentadecanoic acid, 15-hydroxy-, xi-lactoneCPE-21515-Hydroxypentadecanoic acid-epsilon-lactoneRefChem:857011203-354-6PentadecanolideMuskalactone15-Pentadecanolide15-Pentadecanolactone1,15-Pentadecanolide2-Pentadecalone1-oxacyclohexadecan-2-onePentadecanolactone
External database identifiers
- ChEBI:CHEBI:177420
- ChEMBL:CHEMBL3560504
- EPA DTXSID:DTXSID6044359
- PubMed:21802477
- PubMed:19966909
- PubMed:19807145
- PubMed:19632718
- PubMed:19619678
- PubMed:18975906
- PubMed:18939863
- PubMed:18618411
- PubMed:18198845
- PubMed:18198834
- PubMed:17973576
- PubMed:17550288
Evidence from additional scientific databases
EMBL-EBI ChEBI
Exact identifier matchCHEBI:177420
Cyclopentadecanolide
- Formula
- C15H28O2
- Average mass
- 240.387 g/mol
- Monoisotopic mass
- 240.20893 Da
- Formal charge
- 0
- macrolide — is a (CHEBI:25106)
- macrolide — is a (CHEBI:25106)
Additional curated names
oxacyclohexadecan-2-one
Cross-references from this source
- CAS: 106-02-5 — ChemIDplus
- MANUAL_X_REF: 205386 — ChemSpider
- MANUAL_X_REF: HMDB0034455 — HMDB
Mapped by: Exact CAS cross-reference in the ChEBI compound record. Retrieved: 2026-08-31. Open source record
NIH PubChem PUG-View
Exact identifier match235414
Attributed physical-property, hazard, environmental and use annotations.
- Boiling Point: 137.00 °C. @ 2.00 mm Hg Source: Human Metabolome Database (HMDB)
- LogP: 6.100 Source: Human Metabolome Database (HMDB)
- Melting Point: 52 - 53 °C Source: Human Metabolome Database (HMDB)
- Physical Description: CBI; Liquid Source: EPA Chemical Data Reporting (CDR)
- Physical Description: Solid Source: Human Metabolome Database (HMDB)
- Physical Description: white to pale yellow solid Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)
- Solubility: (in ethanol) Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)
- Note: This chemical does not meet GHS hazard criteria for 14.8% (270 of 1826) of reports. Source: European Chemicals Agency (ECHA)
- Signal: Warning Source: European Chemicals Agency (ECHA)
- GHS Hazard Statements: H317 (13.5%): May cause an allergic skin reaction [Warning Sensitization, Skin]; H411 (82.8%): Toxic to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard] Source: European Chemicals Agency (ECHA)
- Precautionary Statement Codes: P261, P272, P273, P280, P302+P352, P321, P333+P317, P362+P364, P391, and P501 (click each P-code to see the statement) Source: European Chemicals Agency (ECHA)
- ECHA C&L Notifications Summary: Aggregated GHS information provided per 1826 reports by companies from 12 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.; Reported as not meeting GHS hazard criteria per 270 of 1826 reports by companies.; There are 11 notifications provided by 1556 of 1826 reports by companies with hazard statement code(s).; Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website. Source: European Chemicals Agency (ECHA)
- GHS Hazard Statements: H413: May cause long lasting harmful effects to aquatic life [Hazardous to the aquatic environment, long-term hazard] Source: NITE-CMC
- Precautionary Statement Codes: P273, and P501 (click each P-code to see the statement) Source: NITE-CMC
- GHS Hazard Statements: Not Classified Source: NITE-CMC
- Consumer Uses: Fragrance Source: EPA Chemical Data Reporting (CDR)
- Industry Uses: Fragrance Source: EPA Chemical Data Reporting (CDR)
Mapped by: Existing checksum-valid CAS to unique PubChem CID match. Retrieved: 2026-08-31. Open source record
Scientific classifications and hazard annotations provide context and do not replace the market-specific regulatory decision shown above.
Additional source coverage and match status
| Source | Result | Checked |
|---|---|---|
| EMBL-EBI ChEBI | Exact match | 2026-08-31 |
| NIH PubChem PUG-View | Exact match | 2026-08-31 |
A recorded no-match is useful evidence that the source was checked; it is not a claim that the substance does not exist elsewhere.
Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.