1-Butyl-5-chloro-1,2-dihydro-3H-indazol-3-one CAS 10213-94-2
| CAS No. | 10213-94-2 |
| Molecular Formula | H4O7P2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 1-Butyl-5-chloro-1,2-dihydro-3H-indazol-3-one is closely related to a phosphate ester group in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
1-Butyl-5-chloro-1,2-dihydro-3H-indazol-3-one (CAS 10213-94-2) is a high-purity analytical reference standard with the molecular formula H4O7P2FeNa and a molecular weight of 256.81 g/mol.
Owing to a phosphate ester group, 1-Butyl-5-chloro-1,2-dihydro-3H-indazol-3-one is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 256.81 g/mol — guide the selection of appropriate sample preparation and analytical techniques.
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 1-Butyl-5-chloro-1,2-dihydro-3H-indazol-3-one 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 | H4O7P2 Fe Na |
| Molecular Weight | 256.81 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Freely soluble in water |
| Stability | Hygroscopic; reseal immediately after opening |
| CAS Registry Year (est.) | 1959 |
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Recommended Standards
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- Alsterpaullone (CAS 237430-03-4)
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