3-Chloro-5-(methoxycarbonyl)pyrazolo[1,5-a]pyrimidine-7-carboxylic acid CAS 916212-07-2
| CAS No. | 916212-07-2 |
| Molecular Formula | C9H6ClN3O4 |
| Molecular Weight | 255.61 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 255.61 g/mol gives 3-Chloro-5-(methoxycarbonyl)pyrazolo[1,5-a]pyrimidine-7-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 3-Chloro-5-(methoxycarbonyl)pyrazolo[1,5-a]pyrimidine-7-carboxylic acid (CAS 916212-07-2), a certified reference material (molecular formula C9H6ClN3O4, MW 255.61 g/mol) for analytical method development and quality control.
The molecular framework of 3-Chloro-5-(methoxycarbonyl)pyrazolo[1,5-a]pyrimidine-7-carboxylic acid (C9H6ClN3O4) 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.
CATO manufactures 3-Chloro-5-(methoxycarbonyl)pyrazolo[1,5-a]pyrimidine-7-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 | C9H6ClN3O4 |
| Molecular Weight | 255.61 g/mol |
| Appearance | Pale yellow to 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 methanol, ethanol, DMSO |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Chloro Standards
- Methyl 6-chloro-4-nitro-1H-indazole-3-carboxylate (CAS 1000342-31-3)
- Methyl 2-chloro-3-cyano-6-methyl-5-nitroisonicotinate (CAS 100313-76-6)
- 2-Chloro-5-(methoxycarbonyl)pyrazolo[1,5-a]pyrimidine-7-carboxylic acid (CAS 916212-09-4)
- 4-Chloro-3-methoxy-7-nitro-1H-isochromen-1-one (CAS 62252-25-9)
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Recommended Standards
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