3-Bromo-5-methoxypyridine 1-oxide

Also known as: 3-Bromo-5-methoxypyridine N-oxide, 3-bromo-5-methoxy-1-oxidopyridin-1-ium, 3-bromo-5-methoxy-pyridine-1-oxide, 5-bromo-3-methoxy-pyridine oxide, Pyridine, 3-bromo-5-methoxy-, 1-oxide

3-Bromo-5-methoxypyridine 1-oxide (CAS 78156-39-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H6BrNO2 and a molecular weight of 204.02100 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 78156-39-5
Jingsj CID: J-1188308-2
Molecular Formula: C₆H₆BrNO₂
Molecular Weight: 204.02100 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Exact Mass	202.95800
PSA	34.69000
LogP	1.88620

Customs & Trade Information

HS Code	2933399090
Summary	2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 3-Bromo-5-methoxypyridine 1-oxide?

The CAS number of 3-Bromo-5-methoxypyridine 1-oxide is 78156-39-5.

What are the molecular formula and molecular weight of 3-Bromo-5-methoxypyridine 1-oxide?

3-Bromo-5-methoxypyridine 1-oxide has molecular formula C6H6BrNO2 and molecular weight 204.02100 g/mol.

What are the upstream and downstream products of 3-Bromo-5-methoxypyridine 1-oxide?

For 3-Bromo-5-methoxypyridine 1-oxide, Upstream Products: 3-Bromo-5-methoxypyridine, 3-Chloroperoxybenzoic acid, Methanol; Downstream Products: 5-Bromo-3-methoxypyridin-2-amine, 5-Bromo-2-chloro-3-methoxypyridine, 3-Amino-5-methoxypyridine.

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. "3-Bromo-5-methoxypyridine 1-oxide (CAS 78156-39-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1188308-2 (accessed 2026-11-09).

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