3-Oxo-2,3-dihydroimidazo[1,5-a]pyridine-1-carbonyl chloride CAS 114897-97-1
| CAS No. | 114897-97-1 |
| Molecular Formula | C8H5ClN2O2 |
| Molecular Weight | 196.59 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 196.59 g/mol gives 3-Oxo-2,3-dihydroimidazo[1,5-a]pyridine-1-carbonyl chloride distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-Oxo-2,3-dihydroimidazo[1,5-a]pyridine-1-carbonyl chloride (CAS 114897-97-1), molecular formula C8H5ClN2O2 and molecular weight 196.59 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 3-Oxo-2,3-dihydroimidazo[1,5-a]pyridine-1-carbonyl chloride (C8H5ClN2O2) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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.
As a certified reference material (CRM), 3-Oxo-2,3-dihydroimidazo[1,5-a]pyridine-1-carbonyl chloride 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 | C8H5ClN2O2 |
| Molecular Weight | 196.59 g/mol |
| Appearance | Off-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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Oxo Standards
- 3-Phenyl-2,3-dihydroimidazo[1,2-a]pyridine (CAS 91954-76-6)
- 2-(5,6-Dihydroimidazo[1,2-a]pyrazin-7(8h)-yl)propanoic acid (CAS 1270666-82-4)
- 2-(5-Oxo-5,6-dihydroimidazo[2,1-b]thiazol-3-yl)acetic acid (CAS 933686-94-3)
- Ethyl 2,3-dihydroimidazo[2,1-b]thiazole-6-carboxylate (CAS 157459-68-2)
- 3-(2,3-Dihydroimidazo[2,1-b]thiazol-6-yl)propanoic acid (CAS 889972-97-8)
- 2-(2-Oxo-2,3-dihydroimidazo[1,2-a]pyridin-3-yl)acetic acid (CAS 95600-30-9)
- 5-Methyl-2,3-dihydroimidazo[2,1-a]phthalazin-6(5H)-one (CAS 57100-17-1)
- 2,3-Dihydroimidazo[2,1-b]benzothiazol-6-amine (CAS 78291-99-3)
Recommended Standards
- Erlotinib Impurity 123 (CAS 1145671-36-8)
- 7-Chloroimidazo[1,5-a]pyridine-3-carboxylic Acid (CAS 1159830-91-7)
- 5-(Chloromethyl)-3-pyrazin-2-yl-1,2,4-oxadiazole (CAS 114346-91-7)
- 6-Chloropyrazolo[1,5-a]pyridine-3-carboxylic acid (CAS 1167055-29-9)
- Lithium tetra([1,1'-biphenyl]-4-yl)borate (CAS 14740-55-7)
- 2-(3-Methylpiperidin-1-yl)ethan-1-amine (CAS 85723-75-7)
- 2-(Benzofuran-2-yl)acetaldehyde (CAS 119116-94-8)
- 3,5-Dinitrophenol (CAS 586-11-8)
- 2-[6-(4-Chlorophenyl)pyridin-2-yl]acetonitrile (CAS 23168-76-5)
- 6-(2-Hydroxyethoxy)picolinic acid (CAS 1247526-35-7)
- n-(4,5,6,7-Tetrahydrothiazolo[5,4-c]pyridin-2-yl)acetamide (CAS 850875-66-0)
- Emtricitabine Enantiomer (CAS 137530-41-7)
- 2-(Difluoromethyl)-3-hydroxypyridine-5-sulfonyl chloride (CAS 1804487-27-1)
- Semaglutide Impurity 10 (CAS CATO-C4X-222610)
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