1,2,3,4-tetrahydropyrido[2,3-b]pyrazine

Also known as: 1,2,3,4-TETRAHYDRO-PYRIDO[2,3-B]PYRAZINE, Pyrido[2,3-b]pyrazine, 1,2,3,4-tetrahydro-

1,2,3,4-tetrahydropyrido[2,3-b]pyrazine (CAS 35808-40-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H9N3 and a molecular weight of 135.16600 g/mol. Key properties include a melting point of 128-129°C, a boiling point of 318.508ºC at 760 mmHg, a density of 1.112g/cm3 and a flash point of 146.429ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 35808-40-3
Jingsj CID: J-1317342-7
Molecular Formula: C₇H₉N₃
Molecular Weight: 135.16600 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	128-129°C
Boiling Point	318.508ºC at 760 mmHg
Density	1.112g/cm3
Flash Point	146.429ºC
Exact Mass	135.08000
PSA	36.95000
LogP	1.19500
Refractive Index	1.548
Storage Conditions	2-8°C

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 1,2,3,4-tetrahydropyrido[2,3-b]pyrazine?

The CAS number of 1,2,3,4-tetrahydropyrido[2,3-b]pyrazine is 35808-40-3.

What are the molecular formula and molecular weight of 1,2,3,4-tetrahydropyrido[2,3-b]pyrazine?

1,2,3,4-tetrahydropyrido[2,3-b]pyrazine has molecular formula C7H9N3 and molecular weight 135.16600 g/mol.

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. "1,2,3,4-tetrahydropyrido[2,3-b]pyrazine (CAS 35808-40-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1317342-7 (accessed 2026-11-09).

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