4-Hydroxymethyl-3,4-dihydro-2H-pyrano[3,2-b]pyridin-4-ol

Also known as: 4-(Hydroxymethyl)-3,4-dihydro-2H-pyrano[3,2-b]pyridin-4-ol, 2H-Pyrano[3,2-b]pyridine-4-methanol, 3,4-dihydro-4-hydroxy-, 4-(hydroxymethyl)-2,3-dihydropyrano[3,2-b]pyridin-4-ol, 4-hydroxymethyl-3,4-dihydro-2H-pyrano[3,2-b]pyridinyl-4-ol, 3,4-dihydro-4-hydroxy-2H-pyrano[3,2-b]pyridine-4-methanol, 2-b]pyridine-4-Methanol

4-Hydroxymethyl-3,4-dihydro-2H-pyrano[3,2-b]pyridin-4-ol (CAS 405174-47-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H11NO3 and a molecular weight of 181.18900 g/mol. Key properties include a boiling point of 395.7ºC at 760 mmHg, a density of 1.346g/cm3 and a flash point of 193.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 405174-47-2
Jingsj CID: J-1508292-5
Molecular Formula: C₉H₁₁NO₃
Molecular Weight: 181.18900 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	395.7ºC at 760 mmHg
Density	1.346g/cm3
Flash Point	193.1ºC
Exact Mass	181.07400
PSA	62.58000
LogP	0.04400
Refractive Index	1.597

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. 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 4-Hydroxymethyl-3,4-dihydro-2H-pyrano[3,2-b]pyridin-4-ol?

The CAS number of 4-Hydroxymethyl-3,4-dihydro-2H-pyrano[3,2-b]pyridin-4-ol is 405174-47-2.

What are the molecular formula and molecular weight of 4-Hydroxymethyl-3,4-dihydro-2H-pyrano[3,2-b]pyridin-4-ol?

4-Hydroxymethyl-3,4-dihydro-2H-pyrano[3,2-b]pyridin-4-ol has molecular formula C9H11NO3 and molecular weight 181.18900 g/mol.

What are the upstream and downstream products of 4-Hydroxymethyl-3,4-dihydro-2H-pyrano[3,2-b]pyridin-4-ol?

For 4-Hydroxymethyl-3,4-dihydro-2H-pyrano[3,2-b]pyridin-4-ol, Upstream Products: 4-Methylene-3,4-dihydro-2H-pyrano[3,2-b]pyridine; Downstream Products: 2,3-Dihydro-4H-pyrano[3,2-b]pyridin-4-one.

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. "4-Hydroxymethyl-3,4-dihydro-2H-pyrano[3,2-b]pyridin-4-ol (CAS 405174-47-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1508292-5 (accessed 2026-11-09).

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