2,3-Dimethyl-5-isopropylpyrazine

Also known as: Pyrazine, 2,3-dimethyl-5-(1-methylethyl)-, 2,3-Dimethyl-5-isopropylpyrazine USP/EP/BP, 2,3-dimethyl-5-propan-2-ylpyrazine, 5-Isopropyl-2,3-dimethylpyrazine, 5-Isopropyl-2,3-dimethylpyrazin, Pyrazine, 2,3-dimethyl-5-(1-methylethyl)- (9CI)

2,3-Dimethyl-5-isopropylpyrazine (CAS 40790-21-4) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C9H14N2 and a molecular weight of 150.22100 g/mol. Key properties include a boiling point of 206.9ºC at 760 mmHg, a density of 0.947g/cm3 and a flash point of 77ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 40790-21-4
Jingsj CID: J-1360298-7
Molecular Formula: C₉H₁₄N₂
Molecular Weight: 150.22100 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	206.9ºC at 760 mmHg
Density	0.947g/cm3
Flash Point	77ºC
Exact Mass	150.11600
PSA	25.78000
LogP	2.21680
Refractive Index	1.495

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 2,3-Dimethyl-5-isopropylpyrazine?

The CAS number of 2,3-Dimethyl-5-isopropylpyrazine is 40790-21-4.

What are the molecular formula and molecular weight of 2,3-Dimethyl-5-isopropylpyrazine?

2,3-Dimethyl-5-isopropylpyrazine has molecular formula C9H14N2 and molecular weight 150.22100 g/mol.

What are the upstream and downstream products of 2,3-Dimethyl-5-isopropylpyrazine?

For 2,3-Dimethyl-5-isopropylpyrazine, Upstream Products: 2-Propylzinc bromide, Diisopropylzinc, Isopropylmagnesium chloride.

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. "2,3-Dimethyl-5-isopropylpyrazine (CAS 40790-21-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1360298-7 (accessed 2026-11-09).

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