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Methyl 5-chloropyrazine-2-carboxylate

Also known as: methyl-5-chloropyrazine-2-carboxylate, 2-chloro-5-(methoxycarbonyl)pyrazine, 5-chloropyrazine-2-carboxylic acid methyl ester, 2-chloro-5-carbomethoxy-pyrazine, 5-chloro-2-methoxycarbonylpyrazine, Methyl 5-chloropyrazinecarboxylate, Methyl 5-chloro-2-pyrazinecarboxylate, 2-Pyrazinecarboxylic acid, 5-chloro-, methyl ester, methyl 5-chloropyrazinoate

Methyl 5-chloropyrazine-2-carboxylate (CAS 33332-25-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H5ClN2O2 and a molecular weight of 172.569 g/mol. Key properties include a boiling point of 242.8±35.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 100.6±25.9 °C. 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.
33332-25-1
Jingsj CID
J-1357307-4
Molecular Formula
C6H5ClN2O2
Molecular Weight
172.569 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point242.8±35.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point100.6±25.9 °C
Exact Mass172.003952
PSA52.08000
LogP0.57
Vapor Pressure0.0±0.5 mmHg at 25°C
Refractive Index1.534

GHS Safety & Compliance

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

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 Methyl 5-chloropyrazine-2-carboxylate?

The CAS number of Methyl 5-chloropyrazine-2-carboxylate is 33332-25-1.

What are the molecular formula and molecular weight of Methyl 5-chloropyrazine-2-carboxylate?

Methyl 5-chloropyrazine-2-carboxylate has molecular formula C6H5ClN2O2 and molecular weight 172.569 g/mol.

Is Methyl 5-chloropyrazine-2-carboxylate hazardous?

Methyl 5-chloropyrazine-2-carboxylate 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 Methyl 5-chloropyrazine-2-carboxylate?

For Methyl 5-chloropyrazine-2-carboxylate, Upstream Products: Methyl 5-hydroxypyrazine-2-carboxylate, Methanol, 5-Hydroxypyrazine-2-carboxylic acid; Downstream Products: 5-Chloropyrazine-2-carboxylic acid, 5-Chloropyrazine-2-carboxylic acid hydrazide, (5-Chloropyrazin-2-yl)methanol.

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

Last updated:

How to cite: Jingsj. "Methyl 5-chloropyrazine-2-carboxylate (CAS 33332-25-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1357307-4 (accessed 2026-11-09).

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