3-Ethynylpicolinic acid CAS 219623-05-9

Purity 97%+In StockPharmaceutical Standards
CAS No.219623-05-9
Molecular FormulaC8H5NO2
Molecular Weight147.13 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-Ethynylpicolinic acid CAS 219623-05-9 chemical structure

Description

CATO manufactures 3-Ethynylpicolinic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

CATO supplies 3-Ethynylpicolinic acid (CAS 219623-05-9), a certified reference material (molecular formula C8H5NO2, MW 147.13 g/mol) for analytical method development and quality control.

Structurally, 3-Ethynylpicolinic acid (C8H5NO2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 147.13 g/mol, it falls into the low-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

Physical & Chemical Properties

Molecular FormulaC8H5NO2
Molecular Weight147.13 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2019
Nitrogen Atoms1

Related Ethynylpicolinic Standards

Recommended Standards

Why CATO?