8-fluoro-[1,2,4]triazolo[4,3-a]pyridine-3-carboxylic acid CAS 1159831-26-1
| CAS No. | 1159831-26-1 |
| Molecular Formula | C7H12FN3O2 |
| Molecular Weight | 189.19 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 8-fluoro-[1,2,4]triazolo[4,3-a]pyridine-3-carboxylic acid.
8-fluoro-[1,2,4]triazolo[4,3-a]pyridine-3-carboxylic acid (CAS 1159831-26-1), molecular formula C7H12FN3O2 and molecular weight 189.19 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 8-fluoro-[1,2,4]triazolo[4,3-a]pyridine-3-carboxylic acid (C7H12FN3O2) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 189.19 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 8-fluoro-[1,2,4]triazolo[4,3-a]pyridine-3-carboxylic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C7H12FN3O2 |
| Molecular Weight | 189.19 g/mol |
| Appearance | White to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
Related fluoro Standards
- 4-fluoro-7H-pyrrolo[2,3-d]pyrimidine-6-carboxylic acid (CAS 1016241-81-8)
- 7-fluoro-[1,2,4]triazolo[4,3-a]pyridine-3-carboxylic acid (CAS 1159831-08-9)
- 6-fluoro-[1,2,4]triazolo[4,3-a]pyridine-3-carboxylic acid (CAS 1159831-12-5)
- 6-Fluoro-[2,3'-bipyridin]-6'-amine (CAS 1177269-58-7)
- 5-Fluoro-3-phenylpyridin-2(1H)-one (CAS 1196145-49-9)
- 6-fluoro-1H-pyrazolo[3,4-b]pyridine-3-carboxylic acid (CAS 1208493-13-3)
- 5-Fluoro-1H-pyrazolo[3,4-b]pyridine-3-carboxylic acid (CAS 1211586-74-1)
- 4-Fluoro-3-(pyridin-3-yl)phenol (CAS 1214326-38-1)
Recommended Standards
- 6-(2-Fluorophenyl)pyridazin-3-amine (CAS 1159818-36-6)
- 4-(4-Fluorophenyl)pyridin-2(1H)-one (CAS 1159817-47-6)
- 4-(3-Fluorophenyl)pyridin-2-ol (CAS 1159817-41-0)
- (Z)-5-(Fluoromethylene)-4-phenyl-1H-pyrrol-2(5H)-one (CAS 1212059-23-8)
- (2-Methoxynaphthalen-1-yl)methanol (CAS 40696-22-8)
- N-[[P(S),2’R]-2’-deoxy-3’-O-[(1,1-dimethylethyl)dimethylsilyl]-2’-fluoro-2’-methyl-P-phenyl-5’-uridylyl]-L-alanine 1-Methylethyl Ester (CAS 1256490-54-6)
- tert-Butyl 9-oxo-7-oxa-3,10-diazaspiro[5.6]dodecane-3-carboxylate (CAS 1179338-64-7)
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