Ethyl 6-chloropyrazolo[1,5-a]pyridine-3-carboxylate CAS 55899-28-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 55899-28-0 |
| Molecular Formula | C10H9ClN2O2 |
| Molecular Weight | 224.64 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl 6-chloropyrazolo[1,5-a]pyridine-3-carboxylate (CAS 55899-28-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H9ClN2O2. Molecular weight: 224.64 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C10H9ClN2O2 |
| Molecular Weight | 224.64 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.) | 1972 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Ethyl Standards
- Ethyl 6-chloropyrazolo[1,5-a]pyridine-2-carboxylate (CAS 1234616-54-6)
- ethyl 5-chloropyrazolo[1,5-a]pyridine-2-carboxylate (CAS 1691046-87-3)
- Ethyl 4-chloropyrazolo[1,5-a]pyridine-3-carboxylate (CAS 55899-27-9)
- Ethyl 5-Chloropyrazolo[1,5-a]pyrimidine-3-carboxylate (CAS 1224944-77-7)
- Ethyl 5-Chloropyrazolo[1,5-a]pyrimidine-2-carboxylate (CAS 1363405-21-3)
- Ethyl 2-chloropyrazolo[1,5-a]pyrimidine-3-carboxylate (CAS 1394003-65-6)
- Ethyl 6-chloropyrazolo[1,5-a]pyrimidine-3-carboxylate (CAS 936074-36-1)
- Ethyl 7-Chloropyrazolo[1,5-a]pyrimidine-5-carboxylate (CAS 61098-37-1)
Recommended Standards
- Ethyl 6-Chloroimidazo[1,5-a]pyridine-5-carboxylate (CAS 2021236-22-4)
- Ethyl 6-Chloropyrrolo[2,3-b]pyridine-2-carboxylate (CAS 287384-84-3)
- Ethyl 6-chlorobenzofuran-7-carboxylate (CAS 379230-46-3)
- 1-(3-Chloro-4-fluorophenyl)-2,2,2-trifluoroethan-1-one (CAS 845823-05-4)
- 4-(4-Bromo-phenyl)-butyric acid methyl ester (CAS 98453-57-7)
- (3R)-3-Methyl-1,3-dihydroisobenzofuran-1-ol (CAS 679420-02-1)
- (3Z)-3-{[(2-chloro-6-fluorophenyl)methoxy]imino}-1-phenyl-2,3-dihydro-1H-indol-2-one (CAS 341964-32-7)
- Phthalate-Mix 13 (CAS CATO-MPAE111713-HE)
- 8-Chloro-3,4-dihydronaphthalen-2(1H)-one (CAS 82302-27-0)
- [D-Glu]3-Semaglutide (CAS CATO-C4X-2226253)
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