levomethorphan
- CAS NO.：125-70-2
- Empirical Formula: C18H25NO
- Molecular Weight: 271.4
- MDL number: MFCD00866833
- EINECS: 204-751-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 04:12:22
What is levomethorphan?
The Uses of levomethorphan
The enatiomer of Dextromethorphan (D299455), an antitussive medicine, a narcotic.
Definition
ChEBI: Levomethorphan is a 6-methoxy-11-methyl-1,3,4,9,10,10a-hexahydro-2H-10,4a-(epiminoethano)phenanthrene in which the stereocenters at positions 4a, 10 and 10a have R-configuration. It is a prodrug of levorphanol and a strong narcotic analgesic, and listed as a schedule II controlled substance. It has a role as an opioid analgesic and a prodrug. It is functionally related to a Levorphanol. It is an enantiomer of a dextromethorphan.
Properties of levomethorphan
| storage temp. | 2-8°C |
| solubility | Chloroform (Slightly), Ethanol (Slightly), Methanol (Sparingly) |
| form | neat |
| Boiling point: | 394.9±42.0 °C(Predicted) |
| Density | 1.11±0.1 g/cm3(Predicted) |
| Melting point: | 81-83 °C |
| pka | 9.13±0.20(Predicted) |
Safety information for levomethorphan
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P501:Dispose of contents/container to..… |
Computed Descriptors for levomethorphan
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