Pyridine-2,5-dimethanol CAS 21514-99-8
| CAS No. | 21514-99-8 |
| Molecular Formula | C7H9NO2 |
| Molecular Weight | 139.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures Pyridine-2,5-dimethanol 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.
Pyridine-2,5-dimethanol (CAS 21514-99-8), molecular formula C7H9NO2 and molecular weight 139.15 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H9NO2, Pyridine-2,5-dimethanol contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 139.15 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 | C7H9NO2 |
| Molecular Weight | 139.15 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Nitrogen Atoms | 1 |
Related Pyridine Standards
- Methyl pyridine-1(2H)-carboxylate (CAS 33707-36-7)
- Pyridine-2,4-diyldimethanol (CAS 21071-04-5)
- Pyridine-3,4-diyldimethanol, 97% (CAS 38070-80-3)
- pyridine-2,3,5,6-tetraamine (CAS 38926-45-3)
- Pyridine-2,4-diyldimethanamine (CAS 105250-18-8)
- Pyridine-2,5-diyldimethanamine (CAS 90008-38-1)
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- 3-Pyridine-d (CAS 1035439-74-7)
Recommended Standards
- Propyl 2-cyanoacrylate (CAS 6606-66-2)
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- Pantoprazole Impurity 3 (CAS 53603-11-5)
- trans-3-Cyano-1-methylcyclobutane-1-carboxylic acid (CAS 2171265-96-4)
- 213343-65-8 (-)-1,2-Bis((2S,5S)-2,5-dimethylphospholano)ethane(cyclooctadiene)rhodium(I) tetrafluoroborate MFCD04038742 (S,S)-Me-BPE-Rh (CAS 213343-65-8)
- Triglycerol monostearate (CAS 26855-43-6)
- 2-((1,4,5,6-Tetrahydropyrimidin-2-yl)thio)acetic acid (CAS 575497-40-4)
- 2,7-Dimethyl-6,7-dihydro-1H-purine (CAS 255902-03-5)
- 2-Bromobutane (CAS 78-76-2)
- H-Glu-4MβNA (CAS 74938-90-2)
- H-Leu-Asn-OH (CAS 14608-81-2)
- 2-(4-Fluorobenzyl)-1h-benzo[d]imidazol-5-amine (CAS 108281-62-5)
- n-((1h-1,2,4-Triazol-5-yl)methyl)-2-(4-bromophenoxy)acetamide (CAS 1184594-14-6)
- Semaglutide impurity 107 (CAS CATO-C4X-2226107)
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