3-Hydroxy-N-(4-methylphenyl)naphthalene-2-carboxamide

Also known as: C.I. 37521, C.I. Azoic Coupling Component 31, Naphthol AS-RT, Cibanaphthol RT, 3-Hydroxy-4'-methyl-2-naphthanilide, 3-hydroxy-N-p-tolyl-2-naphthamide, 2-Naphtho-p-toluidide,3-hydroxy, 2-Naphthol-3-carboxylic acid p-toluidide, Acna Naphthol PT, Azotol PT, Naphtazol T, Naphtoelan RT, N-(4-Methylphenyl)-3-hydroxy-2-naphthamide, Azoic Coupling Component 31

3-Hydroxy-N-(4-methylphenyl)naphthalene-2-carboxamide (CAS 3651-62-5) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C18H15NO2 and a molecular weight of 277.31700 g/mol. Key properties include a boiling point of 404.9ºC at 760 mmHg and a density of 1.277 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 3651-62-5
Jingsj CID: J-1071529-4
Molecular Formula: C₁₈H₁₅NO₂
Molecular Weight: 277.31700 g/mol
Category: Organic Bases
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	404.9ºC at 760 mmHg
Density	1.277 g/cm3
Exact Mass	277.11000
PSA	49.33000
LogP	4.17910
Refractive Index	1.715

Customs & Trade Information

HS Code	2924299090
Summary	2924299090. other cyclic amides (including cyclic carbamates) and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 3-Hydroxy-N-(4-methylphenyl)naphthalene-2-carboxamide?

The CAS number of 3-Hydroxy-N-(4-methylphenyl)naphthalene-2-carboxamide is 3651-62-5.

What are the molecular formula and molecular weight of 3-Hydroxy-N-(4-methylphenyl)naphthalene-2-carboxamide?

3-Hydroxy-N-(4-methylphenyl)naphthalene-2-carboxamide has molecular formula C18H15NO2 and molecular weight 277.31700 g/mol.

What are the upstream and downstream products of 3-Hydroxy-N-(4-methylphenyl)naphthalene-2-carboxamide?

For 3-Hydroxy-N-(4-methylphenyl)naphthalene-2-carboxamide, Upstream Products: p-Toluidine, 3-Hydroxy-2-naphthoic acid, Methanol.

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-Hydroxy-N-(4-methylphenyl)naphthalene-2-carboxamide (CAS 3651-62-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1071529-4 (accessed 2026-11-09).

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