5,5'-(Ethyne-1,2-diyl)dinicotinic acid CAS 2594907-89-6
| CAS No. | 2594907-89-6 |
| Molecular Formula | C14H8N2O4 |
| Molecular Weight | 268.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 5,5'-(Ethyne-1,2-diyl)dinicotinic 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.
5,5'-(Ethyne-1,2-diyl)dinicotinic acid (CAS 2594907-89-6), molecular formula C14H8N2O4 and molecular weight 268.22 g/mol, is a CATO reference standard with documented purity and traceability.
5,5'-(Ethyne-1,2-diyl)dinicotinic acid (C14H8N2O4) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C14H8N2O4 |
| Molecular Weight | 268.22 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2001 |
| Nitrogen Atoms | 2 |
Related Ethyne Standards
- 3,3'-(Ethyne-1,2-diyl)dibenzoic acid (CAS 75077-81-5)
- 4,4'-(Ethyne-1,2-diyl)bis(2-hydroxybenzaldehyde) (CAS 791068-96-7)
- (Ethyne-1,2-diylbis(4,1-phenylene))diboronic acid (CAS 915772-85-9)
- 4,4'-(Ethyne-1,2-diyl)bis(N,N-dimethylaniline) (CAS 62063-67-6)
- 1,1'-(6,6'-(Ethyne-1,2-diyl)bis(pyridine-6,2-diyl))diethanone (CAS 874379-29-0)
- 1,1'-(Ethyne-1,2-diylbis(4,1-phenylene))bis(ethan-1-one) (CAS 29619-42-9)
- 5,5'-(Ethyne-1,2-diyl)diisophthalaldehyde (CAS 2237965-02-3)
- 5,5'-(Ethyne-1,2-diyl)bis(2-aminophenol) (CAS 928780-91-0)
Recommended Standards
- 5-((2,4-Difluorophenoxy)methyl)furan-2-carbohydrazide (CAS 832740-65-5)
- 5-Nitro-2-phenylisoindoline-1,3-dione (CAS 40392-27-6)
- 4-tert-Butyl-3,5-dinitrobenzoic acid (CAS 67688-82-8)
- 6-(1,3-Dioxoisoindolin-2-yl)nicotinic acid (CAS 777908-48-2)
- 4-(4-aMino-6-chloropyriMidin-2-ylaMino)benzonitrile (CAS 1398507-08-8)
- (4-Chloro-2-methylphenyl)hydrazine (CAS 19690-59-6)
- 3-(Chloromethyl)-6-methoxy-2-methylpyridine (CAS 853569-72-9)
- Ethyl 2-methylpyrazolo[1,5-a]pyridine-3-carboxylate (CAS 30843-10-8)
- 2-{[4-(trifluoromethoxy)phenyl]carbamoyl}phenyl N,N-dimethylsulfamate (CAS 338396-33-1)
- (1H-Indazol-4-yl)methanamine (CAS 944898-72-0)
- 2,2',2'',2'''-(1,4-Phenylenebis(azanetriyl))tetraacetic acid (CAS 1099-02-1)
- 5-(4-Bromophenyl)pentan-1-amine (CAS 1216167-54-2)
- Amisulpride impurity 53 (CAS CATO-C4X-104553)
- Semaglutide impurity 227 (CAS CATO-C4X-2226227)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com