2,3-Dihydro-1H-pyrazolo[1,2-a]pyrazol-4-ium bromide CAS 194608-56-5
| CAS No. | 194608-56-5 |
| Molecular Formula | C6H9N2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 189.06 g/mol gives 2,3-Dihydro-1H-pyrazolo[1,2-a]pyrazol-4-ium bromide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2,3-Dihydro-1H-pyrazolo[1,2-a]pyrazol-4-ium bromide (CAS 194608-56-5) is a high-purity analytical reference standard with the molecular formula C6H9N2Br and a molecular weight of 189.06 g/mol.
Owing to a nitrile group, bromine substitution, 2,3-Dihydro-1H-pyrazolo[1,2-a]pyrazol-4-ium bromide is typically white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 189.06 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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), 2,3-Dihydro-1H-pyrazolo[1,2-a]pyrazol-4-ium bromide 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 | C6H9N2 Br |
| Molecular Weight | 189.06 g/mol |
| Appearance | 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 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 |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2012 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related Dihydro Standards
- 3-(3,6-Dihydro-2h-pyran-4-yl)benzoic acid (CAS 1000016-95-4)
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Recommended Standards
- N-(2-(Furan-2-carbonyl)-1,2,3,4-tetrahydroisoquinolin-7-yl)-1-(thiophen-2-yl)cyclopentane-1-carboxamide (CAS 1207023-31-1)
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- 2-(1-Cyclopentyl-1H-pyrazol-5-yl)ethan-1-amine (CAS 1328640-47-6)
- Cinoxacin (CAS 28657-80-9)
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- Methyl 6-chloro-2-formylnicotinate (CAS 97367-98-1)
- 2-(2-Methoxy-1-methylethoxy)-5-(trifluoromethyl)phenylamine (CAS 879047-92-4)
- D-Phe22-Tirzepatide (CAS CATO-CPTD788912)
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