3,4-Dihydro-3-Oxo-2-Pyrazinecarboxamide

Name: 3,4-Dihydro-3-Oxo-2-Pyrazinecarboxamide
Brand: Zemixal
SKU: ZX-021660

Reference StandardAvailable on request

Order 3,4-Dihydro-3-Oxo-2-Pyrazinecarboxamide (CAS 55321-99-8) online at Zemixal. Request a quote with price, lead time and documents.

Pack sizes

3,4-Dihydro-3-Oxo-2-Pyrazinecarboxamide chemical structure

CAS number55321-99-8

FormulaC₅H₅N₃O₂

Molar mass139.11 g/mol

Physical formSolid

HS code38229090

InChIKeySZPBAPFUXAADQV-UHFFFAOYSA-N

IUPAC name2-oxo-1H-pyrazine-3-carboxamide

About 3,4-Dihydro-3-Oxo-2-Pyrazinecarboxamide

3,4-Dihydro-3-Oxo-2-Pyrazinecarboxamide is supplied by Zemixal as a characterised reference material for Favipiravir analysis. Key data (Reference Standard): CAS 55321-99-8, formula C5H5N3O2 and molar mass 139.11 g/mol. It is handled as a solid.

Where it is used

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Storage and safety notes

It carries the GHS signal word Warning (H315, H319 and H335), so wear gloves and eye protection and work with good ventilation.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Each lot travels with a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

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Typical uses

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of 3,4-Dihydro-3-Oxo-2-Pyrazinecarboxamide
Product name	3,4-Dihydro-3-Oxo-2-Pyrazinecarboxamide
Catalogue number	ZX-021660
CAS number	55321-99-8
IUPAC name	2-oxo-1H-pyrazine-3-carboxamide
Molecular formula	C₅H₅N₃O₂
Molar mass	139.11 g/mol
Exact mass	139.0382
Grade	Reference Standard
Physical form	Solid
XLogP3	-0.9
H-bond donors / acceptors	2 / 3
Topological polar surface area	84.6 Å²
HS code	38229090
InChIKey	SZPBAPFUXAADQV-UHFFFAOYSA-N
SMILES	C1=CN=C(C(=O)N1)C(=O)N
PubChem CID	294642
Synonyms	3-Oxo-3,4-dihydropyrazine-2-carboxamide, 3-Hydroxypyrazine-2-carboxamide, Pyrazinecarboxamide, 3,4-dihydro-3-oxo-, 3-Hydroxy-2-pyrazinecarboxamide, 2-Pyrazinecarboxamide, 3,4-dihydro-3-oxo-, Pyrazine-2-carboxamide, 3-hydroxy-, 3-hydroxypyrazine-2-amide, 2-hydroxy-3-carboxamide pyrazine, 3-hydroxy-pyrazine-2-carboxamide, 2-Pyrazinecarboxamide, 3-hydroxy-, 3-Hydroxy-2-pyrazinecarboxamide #

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

Safety and GHS hazards

Irritant or harmful

Signal word Warning

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

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 3,4-Dihydro-3-Oxo-2-Pyrazinecarboxamide
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted on request
100 mg	Quoted on request

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

Questions about 3,4-Dihydro-3-Oxo-2-Pyrazinecarboxamide

Which CAS number identifies 3,4-Dihydro-3-Oxo-2-Pyrazinecarboxamide?

3,4-Dihydro-3-Oxo-2-Pyrazinecarboxamide is registered under CAS 55321-99-8. You may also see it listed as 3-Oxo-3,4-dihydropyrazine-2-carboxamide, 3-Hydroxypyrazine-2-carboxamide, Pyrazinecarboxamide, 3,4-dihydro-3-oxo-. Our catalogue number for this item is ZX-021660.

What are the formula and molar mass of 3,4-Dihydro-3-Oxo-2-Pyrazinecarboxamide?

For 3,4-Dihydro-3-Oxo-2-Pyrazinecarboxamide, its formula is C5H5N3O2 and its molar mass is 139.11 g/mol. The systematic (IUPAC) name is 2-oxo-1H-pyrazine-3-carboxamide. InChIKey SZPBAPFUXAADQV-UHFFFAOYSA-N lets you match it in any structure database.

How is 3,4-Dihydro-3-Oxo-2-Pyrazinecarboxamide used in pharmaceutical QC?

3,4-Dihydro-3-Oxo-2-Pyrazinecarboxamide is a characterised reference material linked to Favipiravir. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.

What grade and pack sizes are available for 3,4-Dihydro-3-Oxo-2-Pyrazinecarboxamide?

This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.

Which documents come with 3,4-Dihydro-3-Oxo-2-Pyrazinecarboxamide?

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 3,4-Dihydro-3-Oxo-2-Pyrazinecarboxamide to my country?

Yes. Because 3,4-Dihydro-3-Oxo-2-Pyrazinecarboxamide 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.

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