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6-Chloro-2-(6-methylpyridin-3-yl)-3-(4-(methylsulfonyl)phenyl)-1,8-naphthyridine

6-氯-2-(6-甲基吡啶-3-基)-3-(4-(甲基磺酰基)苯基)-1,8-萘啶

Also known as: Etoricoxib Impurity 12, Etoricoxib Impurity S, Etoricoxib Impurity 07, Etoricoxib Impurity 37, Etoricoxib Impurity F, Etoricoxib Impurity L, Etocoxib impurity 10, 1,8-Naphthyridine, 6-chloro-2-(6-methyl-3-pyridinyl)-3-[4-(methylsulfonyl)phenyl]-

6-Chloro-2-(6-methylpyridin-3-yl)-3-(4-(methylsulfonyl)phenyl)-1,8-naphthyridine (CAS 646459-41-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C21H16ClN3O2S and a molecular weight of 409.89 g/mol. It is also known as Etoricoxib Impurity 12, Etoricoxib Impurity S and Etoricoxib Impurity 07. Key property: a density of 1.349±0.06 g/cm3 (20 ºC 760 Torr). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
646459-41-8
Jingsj CID
J-1939520-9
Molecular Formula
C21H16ClN3O2S
Chinese Name
6-氯-2-(6-甲基吡啶-3-基)-3-(4-(甲基磺酰基)苯基)-1,8-萘啶
Molecular Weight
409.89 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Density1.349±0.06 g/cm3 (20 ºC 760 Torr)

Frequently Asked Questions

What is the CAS number of 6-Chloro-2-(6-methylpyridin-3-yl)-3-(4-(methylsulfonyl)phenyl)-1,8-naphthyridine?

The CAS number of 6-Chloro-2-(6-methylpyridin-3-yl)-3-(4-(methylsulfonyl)phenyl)-1,8-naphthyridine is 646459-41-8.

What are the molecular formula and molecular weight of 6-Chloro-2-(6-methylpyridin-3-yl)-3-(4-(methylsulfonyl)phenyl)-1,8-naphthyridine?

6-Chloro-2-(6-methylpyridin-3-yl)-3-(4-(methylsulfonyl)phenyl)-1,8-naphthyridine has molecular formula C21H16ClN3O2S and molecular weight 409.89 g/mol.

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

Last updated:

How to cite: Jingsj. "6-Chloro-2-(6-methylpyridin-3-yl)-3-(4-(methylsulfonyl)phenyl)-1,8-naphthyridine (CAS 646459-41-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1939520-9 (accessed 2026-10-25).

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