(5-Methoxy-1H-indol-2-yl)methanol

Also known as: 5-Methoxy-1H-indole-2-methanol, 2-Hydroxymethyl-5-methoxyindole, 1H-Indole-2-methanol, 5-methoxy-, 5-Methoxyindole-2-methanol, (5-Methoxy-1H-indol-2-yl)methanol - [M90175], (5-methoxy-indol-2-yl)-methanol

(5-Methoxy-1H-indol-2-yl)methanol (CAS 21778-77-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H11NO2 and a molecular weight of 177.200 g/mol. Key properties include a boiling point of 395.0±27.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 192.7±23.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 21778-77-8
Jingsj CID: J-1084214-5
Molecular Formula: C₁₀H₁₁NO₂
Molecular Weight: 177.200 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	395.0±27.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	192.7±23.7 °C
Exact Mass	177.078979
PSA	45.25000
LogP	0.87
Vapor Pressure	0.0±1.0 mmHg at 25°C
Refractive Index	1.661

Customs & Trade Information

HS Code	2933990090
Summary	2933990090. 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 (5-Methoxy-1H-indol-2-yl)methanol?

The CAS number of (5-Methoxy-1H-indol-2-yl)methanol is 21778-77-8.

What are the molecular formula and molecular weight of (5-Methoxy-1H-indol-2-yl)methanol?

(5-Methoxy-1H-indol-2-yl)methanol has molecular formula C10H11NO2 and molecular weight 177.200 g/mol.

What are the upstream and downstream products of (5-Methoxy-1H-indol-2-yl)methanol?

For (5-Methoxy-1H-indol-2-yl)methanol, Upstream Products: Ethyl 5-methoxy-1H-indole-2-carboxylate, 5-Methoxyindole-2-carboxylic acid, Methyl 5-methoxy-1H-indole-2-carboxylate; Downstream Products: 5-Methoxy-1H-indole-2-carbaldehyde, 5-Methoxyindole.

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. "(5-Methoxy-1H-indol-2-yl)methanol (CAS 21778-77-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1084214-5 (accessed 2026-11-09).

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