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2,6-Dimethoxypyridine-3-carboxylic acid

Also known as: 2,6-Dimethoxynicotinic acid, 2,6-Dimethoxypyridine-3-carboxylic acid, 3-Pyridinecarboxylic acid, 2,6-dimethoxy-, Albb-006221, MFCD00075582

2,6-Dimethoxypyridine-3-carboxylic acid (CAS 16727-43-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H9NO4 and a molecular weight of 183.16100 g/mol. Key properties include a melting point of 140-144ºC(lit.), a boiling point of 293.1ºC at 760 mmHg, a density of 1.279 g/cm3 and a flash point of 131ºC. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
16727-43-8
Jingsj CID
J-40229-9
Molecular Formula
C8H9NO4
Molecular Weight
183.16100 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point140-144ºC(lit.)
Boiling Point293.1ºC at 760 mmHg
Density1.279 g/cm3
Flash Point131ºC
Exact Mass183.05300
PSA68.65000
LogP0.79700
AppearanceCrystalline Powder | White to pale yellow
Vapor Pressure0.000805mmHg at 25°C
Refractive Index1.535

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2933399090
Summary2933399090. 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 2,6-Dimethoxypyridine-3-carboxylic acid?

The CAS number of 2,6-Dimethoxypyridine-3-carboxylic acid is 16727-43-8.

What are the molecular formula and molecular weight of 2,6-Dimethoxypyridine-3-carboxylic acid?

2,6-Dimethoxypyridine-3-carboxylic acid has molecular formula C8H9NO4 and molecular weight 183.16100 g/mol.

Is 2,6-Dimethoxypyridine-3-carboxylic acid hazardous?

2,6-Dimethoxypyridine-3-carboxylic acid has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of 2,6-Dimethoxypyridine-3-carboxylic acid?

For 2,6-Dimethoxypyridine-3-carboxylic acid, Upstream Products: Methanol, 2,6-Dichloronicotinic acid; Downstream Products: 2,6-dimethoxypyridine-3-carbonitrile, 3-ACETYL-2,6-DIMETHOXYPYRIDINE.

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

Last updated:

How to cite: Jingsj. "2,6-Dimethoxypyridine-3-carboxylic acid (CAS 16727-43-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-40229-9 (accessed 2026-11-09).

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