Skip to content
[P]pubcas
Independent chemical reference Compare
Chemical substance record

Artemether

71963-77-4C16H26O5298.379 g/mol

An artemisinin derivative that is artemisinin in which the lactone has been converted to the corresponding lactol methyl ether. It is used in combination with lumefantrine as an antimalarial for the treatment of multi-drug resistant strains of falciparum malaria. — ChEBI

Safety references

Safety documents & references

Supplier matching matters

Find the safety document for your specific supplier, product number and grade.

Find a product-specific SDS

Safety guides and government classification records are not a manufacturer’s SDS. Match supplier, product number, concentration, physical form, region and revision before using a document.

Identity & molecular properties

Source-linked values
CAS number71963-77-4ChEBI ↗
Molecular formulaC16H26O5ChEBI ↗
Molar mass298.379 g/molChEBI ↗
Monoisotopic mass298.17802 DaChEBI ↗
Formal charge0ChEBI ↗
ChEBI identifierCHEBI:195280ChEBI ↗

Cross-source molecular data

PubChem
Molar mass298.37 g/molPubChem ↗
Exact mass298.17802393 DaPubChem ↗
Computed XLogP3.1PubChem ↗
Topological polar surface area (Ų)46.2PubChem ↗
H-bond donors0PubChem ↗
H-bond acceptors5PubChem ↗
Rotatable bonds1PubChem ↗

PubChem computed values are shown separately from the ChEBI record. An exact InChIKey match was used to connect the records. Molecular descriptors do not describe a supplied product’s purity, particle size or performance.

Names & structural identifiers

Copy any identifier
artemether
(3R,5aS,6R,8aS,9R,10S,12R,12aR)-10-methoxy-3,6,9-trimethyldecahydro-3,12-epoxypyrano[4,3-j][1,2]benzodioxepine
SXYIRMFQILZOAM-HVNFFKDJSA-N
[H][C@]12O[C@H](OC)[C@H](C)[C@]3([H])CC[C@@H](C)[C@]4([H])CC[C@@](C)(OO[C@]143)O2
InChI=1S/C16H26O5/c1-9-5-6-12-10(2)13(17-4)18-14-16(12)11(9)7-8-15(3,19-14)20-21-16/h9-14H,5-8H2,1-4H3/t9-,10-,11+,12+,13+,14-,15-,16-/m1/s1

Names & synonyms

(3R,5aS,6R,8aS,9R,10S,12R,12aR)-10-methoxy-3,6,9-trimethyldecahydro-3,12-epoxypyrano[4,3-j][1,2]benzodioxepineartemeteroartemetherum

Names are supplied by ChEBI. Trade names and related synonyms may describe a broader product context.

Classification & relationships

ChEBI ontology

Mass ↔ amount of substance

Calculated from sourced mass
Equivalent amount
0.00335144 mol

Uses 298.379 g/mol from ChEBI. Assumes the substance described by this record; no purity or concentration correction is applied.

Elemental composition

Theoretical mass fractions
C
Carbon · 16 atoms
64.41%
O
Oxygen · 5 atoms
26.81%
H
Hydrogen · 26 atoms
8.78%

Calculated theoretical mass fractions from the reported formula and PubChem periodic-table atomic masses. These are not assay or purity results.

Research & patent references

Selected source associations

Sources & record history

Checked 27 Sep 2026
EMBL-EBI ChEBI · CHEBI:195280

Release 255, 9 September 2026. ChEBI three-star (manually annotated) source entry. View original record ↗ · CC BY 4.0

NCBI PubChem · CID 68911 · retrieved 2026-09-27

PubCAS formats source data, connects references and computes explicitly labelled conversions. CAS cross-references are supplied by ChEBI; they do not constitute CAS verification or endorsement.