(1R,2R)-tramadol hydrochloride

(1R,2R)-盐酸曲马多

Also known as: (1R,2R)-tramadol hydrochloride, (R,R)-tramadol hydrochloride, Crispin

(1R,2R)-tramadol hydrochloride (CAS 53611-16-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C16H26ClNO2 and a molecular weight of 299.83600 g/mol. It is also known as (R,R)-tramadol hydrochloride and Crispin. Key property: a melting point of 180-181ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
53611-16-8
Jingsj CID
J-1381684-1
Molecular Formula
C16H26ClNO2
Chinese Name
(1R,2R)-盐酸曲马多
Molecular Weight
299.83600 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point180-181ºC

Frequently Asked Questions

What is the CAS number of (1R,2R)-tramadol hydrochloride?

The CAS number of (1R,2R)-tramadol hydrochloride is 53611-16-8.

What are the molecular formula and molecular weight of (1R,2R)-tramadol hydrochloride?

(1R,2R)-tramadol hydrochloride has molecular formula C16H26ClNO2 and molecular weight 299.83600 g/mol.

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

Last updated:

How to cite: Jingsj. "(1R,2R)-tramadol hydrochloride (CAS 53611-16-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1381684-1 (accessed 2026-10-25).

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