(-)-Tramadol

(-)-曲马多

Also known as: (-)-Tramadol, (1S,2R)-Tramadol, (1S,2R)-2-[(Dimethylamino)methyl]-1-(3-methoxyphenyl)cyclohexanol, Cyclohexanol, 2-[(dimethylamino)methyl]-1-(3-methoxyphenyl)-, (1S,2R)-

(-)-Tramadol (CAS 181289-59-8) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C16H25NO2 and a molecular weight of 263.37500 g/mol. It is also known as (1S,2R)-Tramadol, (1S,2R)-2-[(Dimethylamino)methyl]-1-(3-methoxyphenyl)cyclohexanol and Cyclohexanol, 2-[(dimethylamino)methyl]-1-(3-methoxyphenyl)-, (1S,2R)-. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 181289-59-8
Jingsj CID: J-1339425-7
Molecular Formula: C₁₆H₂₅NO₂
Chinese Name: (-)-曲马多
Molecular Weight: 263.37500 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of (-)-Tramadol?

The CAS number of (-)-Tramadol is 181289-59-8.

What are the molecular formula and molecular weight of (-)-Tramadol?

(-)-Tramadol has molecular formula C16H25NO2 and molecular weight 263.37500 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "(-)-Tramadol (CAS 181289-59-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1339425-7 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.