N-Desmethyl Clarithromycin

Also known as: Clarithromycin EP Impurity D, Clarithromycin Impurity D, Clarithromycin Impurity 1 (Clarithromycin EP Impurity D), N-DeMethyl-6-O-MethylerythroMycin, N-Demethyl-6-O-methylerythromycin, 3″-N-Demethyl-6-O-methylerythromycin A, 3'-N-DeMethylclarithroMycin, N-des-methylclarithromycin, de(N-methyl) erythromycin A, de(N-methyl)-6-O-methyl erythromycin

N-Desmethyl Clarithromycin (CAS 101666-68-6) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C37H67NO13 and a molecular weight of 733.92700 g/mol. Key properties include a melting point of 231-233 ºC and a density of 1.18±0.1 g/cm3 (20 ºC 760 Torr). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 101666-68-6
Jingsj CID: J-1521753-5
Molecular Formula: C₃₇H₆₇NO₁₃
Molecular Weight: 733.92700 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	231-233 ºC
Density	1.18±0.1 g/cm3 (20 ºC 760 Torr)
Exact Mass	733.46100
PSA	191.70000
LogP	2.48840

Frequently Asked Questions

What is the CAS number of N-Desmethyl Clarithromycin?

The CAS number of N-Desmethyl Clarithromycin is 101666-68-6.

What are the molecular formula and molecular weight of N-Desmethyl Clarithromycin?

N-Desmethyl Clarithromycin has molecular formula C37H67NO13 and molecular weight 733.92700 g/mol.

What are the upstream and downstream products of N-Desmethyl Clarithromycin?

For N-Desmethyl Clarithromycin, Upstream Products: Clarithromycin.

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

Last updated: 8/21/2026

How to cite: Jingsj. "N-Desmethyl Clarithromycin (CAS 101666-68-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1521753-5 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.