pyrazine-2-carbaldehyde - ≥97% , CAS No.5780-66-5

CAS: 5780-66-5 Cat. No.: P176847 Formula: C5H4N2O Molecular Weight: 108.1 EC Number: 691-235-3 PubChem CID: 11274980
AVAILABLE TO ORDER
GRADE & PURITY ≥97%
Synonyms
2-PYRAZINECARBALDEHYDE | Pyrazine-2-carboxaldehyde | BDBM92858 | DTXSID00460761 | EX42FX5JBS | PncA Inhibitor, 1 | pyrazine-2-carbaldehyde, AldrichCPR | 1,2-dihydro-2-oxo-4-pyridinecarboxaldehyde | 2-pyrazinecarboxaldehyde | Z1013412214 | A831615 | AM2007
Storage
Store at 2-8°C,Argon charged
Shipped In
Wet ice
★
Size
USA
Germany (EU)*
Price
Qty
100mg
P176847-100mg
5 In stock
—
$11.90
250mg
P176847-250mg
5 In stock
—

$17.90

$23.90
Save $6.00 (25.10%)
1g
P176847-1g
5 In stock
—

$55.90

$79.90
Save $24.00 (30.04%)
5g
P176847-5g
5 In stock
—

$237.90

$356.90
Save $119.00 (33.34%)
25g
P176847-25g
Made to order · 8–12 wks

$1,000.90

$1,605.90
Save $605.00 (37.67%)
Enter a quantity for the sizes you want to add.
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Why this grade

≥97% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at 2-8°C,Argon charged Ships Wet ice Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
2-PYRAZINECARBALDEHYDE | Pyrazine-2-carboxaldehyde | BDBM92858 | DTXSID00460761 | EX42FX5JBS | PncA Inhibitor, 1 | pyrazine-2-carbaldehyde, AldrichCPR | 1,2-dihydro-2-oxo-4-pyridinecarboxaldehyde | 2-pyrazinecarboxaldehyde | Z1013412214 | A831615 | AM2007
Specifications & Purity
≥97%
Storage
Store at 2-8°C,Argon charged
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥97%
Names and Identifiers
Pubchem Sid
Canonical Smiles
C1=CN=C(C=N1)C=O
IUPAC Name
pyrazine-2-carbaldehyde
InChIKey
DXBWJLDFSICTIH-UHFFFAOYSA-N
INCHI
1S/C5H4N2O/c8-4-5-3-6-1-2-7-5/h1-4H
Isomeric SMILES
C1=CN=C(C=N1)C=O
PubChem CID
11274980
Molecular Weight
108.1

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

<<<<<<< HEAD Download SDS → ======= Download SDS → >>>>>>> release248-p3

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganic oxygen compounds
ClassOrganooxygen compounds
SubclassCarbonyl compounds
Intermediate Tree Nodes Aldehydes
Direct ParentAryl-aldehydes
Alternative Parents Pyrazines  Heteroaromatic compounds  Azacyclic compounds  Organonitrogen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents Aryl-aldehyde - Pyrazine - Heteroaromatic compound - Azacycle - Organoheterocyclic compound - Organic nitrogen compound - Organic oxide - Hydrocarbon derivative - Organonitrogen compound - Aromatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as aryl-aldehydes. These are compounds containing an aldehyde group directly attached to an aromatic ring.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Certificates (CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

8 results found

Lot NumberCertificate TypeDateItem
D2311717D2311717Certificate of AnalysisJan 20, 2026 P176847
D2311720D2311720Certificate of AnalysisJan 20, 2026 P176847
D2311723D2311723Certificate of AnalysisJan 20, 2026 P176847
D2311737D2311737Certificate of AnalysisJan 20, 2026 P176847
D2311747D2311747Certificate of AnalysisJan 20, 2026 P176847
D2311751D2311751Certificate of AnalysisJan 20, 2026 P176847
D2311754D2311754Certificate of AnalysisJan 20, 2026 P176847
D2311825D2311825Certificate of AnalysisJan 20, 2026 P176847
Chemical and Physical Properties
Molecular Weight108.100 g/mol
XLogP3-0.400
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count3
Rotatable Bond Count1
Exact Mass108.032 Da
Monoisotopic Mass108.032 Da
Topological Polar Surface Area42.900 Ų
Heavy Atom Count8
Formal Charge0
Complexity84.500
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Documents & Articles
Solution Calculators
Reviews

Customer Reviews

Frequently Asked Questions

What is the purity of this product?
This product is supplied at ≥97% purity (chemical assay). Lot-specific values are stated on the Certificate of Analysis.
How should this product be stored?
Store at 2–8 °C under argon. It is supplied under an argon blanket; reseal under inert gas after each use.
How is this product shipped?
This product ships chilled on wet ice. Unpack on arrival and transfer it to the storage condition stated above.
What are the CAS number, molecular formula and molecular weight?
The CAS Number is 5780-66-5, the molecular formula is C5H4N2O, and the molecular weight is 108.1 g/mol. InChIKey DXBWJLDFSICTIH-UHFFFAOYSA-N.
What documentation is provided?
Available product documentation, including Certificates of Analysis (COA), Safety Data Sheets (SDS), and specification sheets, is shown in the product document area. Document availability and access follow the current site policy.

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