Shipping to 128 countriesCOA and SDS with every lotQuotes within one business day
contact@zemixal.com
Bulk CASAccount
Pyrimidines, Pyrazines & Pyridazines

Pyrazine

Available on request

Order Pyrazine (CAS 290-37-9) online at Zemixal. Request a quote with price, lead time and documents. Catalogue no. ZX-034300.

Pack sizes
Pyrazine chemical structure
CAS number290-37-9
FormulaC4H4N2
Molar mass80.09 g/mol
HS code2933
InChIKeyKYQCOXFCLRTKLS-UHFFFAOYSA-N
IUPAC namepyrazine

About Pyrazine

Researchers and plant chemists source Pyrazine from Zemixal for routine and specialised work. Key data: CAS 290-37-9, formula C4H4N2 and molar mass 80.09 g/mol.

Typical applications

  • Organic synthesis
  • API synthesis

Safe handling

Classified under GHS with signal word Danger and hazard statements H225, H228, H315 and H319. Read the SDS before first use.

Available as 100 mg, 250 mg, 1 g and 5 g. Larger or split packs can be arranged. Every shipment includes a batch certificate of analysis and a 16-section SDS. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Typical uses

  • Organic synthesis
  • API synthesis

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Specifications and identifiers

Specifications of Pyrazine
Product namePyrazine
Catalogue numberZX-034300
CAS number290-37-9
IUPAC namepyrazine
Molecular formulaC4H4N2
Molar mass80.09 g/mol
Exact mass80.0374
XLogP3-0.2
H-bond donors / acceptors0 / 2
Topological polar surface area25.8 Ų
HS code2933
InChIKeyKYQCOXFCLRTKLS-UHFFFAOYSA-N
SMILESC1=CN=CC=N1
PubChem CID9261
Synonyms1,4-Diazine, p-Diazine, Paradiazine, Piazine, 1,4-Diazabenzene, pyrazin, 1,4-Diazin, pyrazine phase IV, pyrazine phase III, Piazine (obsol.), 1, 4-Diazabenzene, 1,4-Diazabenzene, 1,4-Diazine, Paradiazine, Piazine, p-Diazine

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS02 Flammable
Flammable
GHS07 Irritant or harmful
Irritant or harmful

Signal word Danger

  • H225Highly flammable liquid and vapor
  • H228Flammable solid
  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements P210, P233, P240, P241, P242, P243, P261, P264, P264 + P265, P271, P280, P302 + P352, P303 + P361 + P353, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P370 + P378, P403 + P233, P403 + P235, P405

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Pyrazine
100 mgQuoted on request
250 mgQuoted on request
1 gQuoted on request
5 gQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Pyrazine

Which CAS number identifies Pyrazine?
Pyrazine is registered under CAS 290-37-9. You may also see it listed as 1,4-Diazine, p-Diazine, Paradiazine. Our catalogue number for this item is ZX-034300.
What are the formula and molar mass of Pyrazine?
For Pyrazine, its formula is C4H4N2 and its molar mass is 80.09 g/mol. The systematic (IUPAC) name is pyrazine. InChIKey KYQCOXFCLRTKLS-UHFFFAOYSA-N lets you match it in any structure database.
What grade and pack sizes are available for Pyrazine?
The grade and assay are confirmed on the quotation and the batch COA. Standard packs are 100 mg, 250 mg, 1 g, 5 g. Larger quantities and custom packing can be quoted on request.
Which documents come with Pyrazine?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Pyrazine to my country?
Yes. Because Pyrazine is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

Related products

More in Pyrimidines, Pyrazines & Pyridazines

Have a list of compounds to price?

Paste up to 200 CAS numbers into Bulk CAS lookup, or send one enquiry for everything in your quote list. We reply with price, lead time and documents.

Bulk CAS lookup Open quote list
Compare 0 of 4Compare now