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6,7-Dihydro-5H-cyclopenta[b]pyridine 1-oxide

Also known as: 1-oxido-6,7-dihydro-5H-cyclopenta[b]pyridin-1-ium, 2,3-cyclopentenopyridine N-oxide, 6,7-dihydro-5H-[1]pyrindine 1-oxide, 6,7-dihydro-5H-[1]pyrindine N-oxide, 6,7-dihydro-5H-cyclopentapyridine-N-oxide

6,7-Dihydro-5H-cyclopenta[b]pyridine 1-oxide (CAS 90685-58-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H9NO and a molecular weight of 135.16300 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
90685-58-8
Jingsj CID
J-1487453-4
Molecular Formula
C8H9NO
Molecular Weight
135.16300 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026
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Physicochemical Properties

Exact Mass135.06800
PSA25.46000
LogP1.60380

Customs & Trade Information

HS Code2933990090
Summary2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. 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 6,7-Dihydro-5H-cyclopenta[b]pyridine 1-oxide?

The CAS number of 6,7-Dihydro-5H-cyclopenta[b]pyridine 1-oxide is 90685-58-8.

What are the molecular formula and molecular weight of 6,7-Dihydro-5H-cyclopenta[b]pyridine 1-oxide?

6,7-Dihydro-5H-cyclopenta[b]pyridine 1-oxide has molecular formula C8H9NO and molecular weight 135.16300 g/mol.

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

Last updated:

How to cite: Jingsj. "6,7-Dihydro-5H-cyclopenta[b]pyridine 1-oxide (CAS 90685-58-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1487453-4 (accessed 2026-11-09).

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