tert-Butyl 1H-pyrazolo[4,3-c]pyridine-3-carboxylate CAS 2140305-56-0
| CAS No. | 2140305-56-0 |
| Molecular Formula | C11H13N3O2 |
| Molecular Weight | 219.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 219.24 g/mol gives tert-Butyl 1H-pyrazolo[4,3-c]pyridine-3-carboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies tert-Butyl 1H-pyrazolo[4,3-c]pyridine-3-carboxylate (CAS 2140305-56-0), a certified reference material (molecular formula C11H13N3O2, MW 219.24 g/mol) for analytical method development and quality control.
tert-Butyl 1H-pyrazolo[4,3-c]pyridine-3-carboxylate (C11H13N3O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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), tert-Butyl 1H-pyrazolo[4,3-c]pyridine-3-carboxylate 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 | C11H13N3O2 |
| Molecular Weight | 219.24 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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 |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Nitrogen Atoms | 3 |
Recommended Standards
- tert-Butyl 1H-pyrazolo[3,4-b]pyridine-3-carboxylate (CAS 889451-30-3)
- tert-butyl 4-isocyanatobenzoate (CAS 75294-50-7)
- tert-Butyl (S)-(1-hydrazinyl-3-hydroxy-1-oxopropan-2-yl)carbamate (CAS 2766-42-9)
- Tert-butyl2-cyano-2-(pyrazin-2-yl)acetate (CAS 930395-88-3)
- 2-Bromothieno[2,3-c][1,5]naphthyridine (CAS 172093-51-5)
- 1-(5-Chlorothiophen-2-yl)-3-(dimethylamino)but-2-en-1-one (CAS 860788-50-7)
- 2-((1R,3r)-3-(tert-butoxycarbonyl)cyclobutyl)acetic acid (CAS 2200314-34-5)
- Methyl 2-isopropyl-1-oxaspiro[2.4]heptane-2-carboxylate (CAS 1508946-27-7)
- Copper dichloro[2,2-(2-imidazolidinylidene)bis[pyridine]]- (CAS 89509-06-8)
- 2-Oxotetrahydrofuran-3-yl 2-(methylthio)nicotinate (CAS 452299-55-7)
- 4-(4,7-Dimethoxy-1H-indole-2-carboxamido)butanoic acid (CAS 903204-96-6)
- Methyl 2,4-bis(furan-2-yl)benzoate (CAS 1414029-43-8)
- 2-(Bromomethyl)-5-chloro-3-(difluoromethyl)pyridine-6-acetonitrile (CAS 1804491-38-0)
- [5-31]-Semaglutide (CAS CATO-C4X-2226263)
Why CATO?
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