5-methoxy-[1,2,4]triazolo[4,3-a]pyridine-3-carboxylic acid CAS 1780657-93-3
| CAS No. | 1780657-93-3 |
| Molecular Formula | C8H15N3O3 |
| Molecular Weight | 201.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 5-methoxy-[1,2,4]triazolo[4,3-a]pyridine-3-carboxylic acid.
5-methoxy-[1,2,4]triazolo[4,3-a]pyridine-3-carboxylic acid (CAS 1780657-93-3) is a high-purity analytical reference standard with the molecular formula C8H15N3O3 and a molecular weight of 201.22 g/mol.
Based on its molecular formula C8H15N3O3, 5-methoxy-[1,2,4]triazolo[4,3-a]pyridine-3-carboxylic acid 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 201.22 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 5-methoxy-[1,2,4]triazolo[4,3-a]pyridine-3-carboxylic 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.
Physical & Chemical Properties
| Molecular Formula | C8H15N3O3 |
| Molecular Weight | 201.22 g/mol |
| Appearance | White to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1994 |
| Nitrogen Atoms | 3 |
Related methoxy Standards
- 6-Methoxy-2-naphthamide (CAS 111359-68-3)
- 6-methoxy-[1,2,4]triazolo[4,3-a]pyridine-3-carboxylic acid (CAS 1159830-93-9)
- 7-methoxy-[1,2,4]triazolo[4,3-a]pyridine-3-carboxylic acid (CAS 1159831-01-2)
- 8-methoxy-[1,2,4]triazolo[4,3-a]pyridine-3-carboxylic acid (CAS 1159833-08-5)
- 7-Methoxy-1,2-dihydrocyclopenta[b]indol-3(4H)-one (CAS 117311-14-5)
- 2-Methoxy-[3,4'-bipyridin]-2'-amine (CAS 1192814-85-9)
- 2'-Methoxy-[3,3'-bipyridin]-6-amine (CAS 1196152-56-3)
- 2'-Methoxy-2,3'-bipyridin-6-amine (CAS 1196153-49-7)
Recommended Standards
- 3-(2-Methoxypyrimidin-4-yl)aniline (CAS 1780258-07-2)
- 2-hydroxy-2-{pyrrolo[2,1-f][1,2,4]triazin-5-yl}acetic acid (CAS 1781575-45-8)
- 1-(1-Acetylindol-3-yl)ethanone (CAS 17537-64-3)
- 2-(3-Cyclopropyl-1H-1,2,4-triazol-5-yl)phenol (CAS 1785764-28-4)
- Naxagolide (CAS 88058-88-2)
- (2-Methylpropyl)[(pyridin-3-yl)methyl]amine hydrochloride (CAS 1240578-42-0)
- 4-(4-Bromobenzamido)benzoic acid (CAS 156811-46-0)
- 1-Methoxy-5-phenylpentan-2-one (CAS 1250877-73-6)
- (R)-3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(2-hydroxyphenyl)propanoic acid (CAS 511272-34-7)
- 7-((Triisopropylsilyl)ethynyl)-3H-imidazo[4,5-b]pyridine (CAS 2500888-31-1)
- 4-Bromo-2,3,5,6-tetramethylaniline (CAS 53965-69-8)
- (S)-2-(Boc-amino)-2-cyclopentylacetic Acid (CAS 109183-72-4)
- 2-(3-Chloro-5-hydrazinyl-1H-1,2,4-triazol-1-yl)ethan-1-ol (CAS 1374408-19-1)
- Nonapeptide-1 (CAS 158563-45-2)
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