5-Bromo-2-cyclopropyl-7-methylpyrazolo[1,5-a]pyridine CAS 2393817-19-9
| CAS No. | 2393817-19-9 |
| Molecular Formula | C11H11BrN2 |
| Molecular Weight | 251.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 5-Bromo-2-cyclopropyl-7-methylpyrazolo[1,5-a]pyridine (C11H11BrN2) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 251.12 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
5-Bromo-2-cyclopropyl-7-methylpyrazolo[1,5-a]pyridine (CAS 2393817-19-9), molecular formula C11H11BrN2 and molecular weight 251.12 g/mol, is a CATO reference standard with documented purity and traceability.
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), 5-Bromo-2-cyclopropyl-7-methylpyrazolo[1,5-a]pyridine 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 | C11H11BrN2 |
| Molecular Weight | 251.12 g/mol |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1999 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related Bromo Standards
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Recommended Standards
- 5-Bromo-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole (CAS 657393-52-7)
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- 5-Bromo-2-(pyrrolidino)benzonitrile (CAS 876918-66-0)
- 5-Nitro-2-(trifluoromethoxy)benzoic acid (CAS 307989-55-5)
- (2'-METHOXY[1,1'-BIPHENYL]-2-YL)METHANAMINE 292151-99-6 (CAS 292151-99-6)
- 3-(1h-Imidazol-4-yl)-2-(4-methylbenzenesulfonamido)propanoic acid (CAS 876027-98-4)
- tert-Butyl O-benzyl-L-serinate hydrochloride (CAS 93760-41-9)
- 3-Allyl-2-mercapto-3H-quinazolin-4-one (CAS 21263-59-2)
- Octa(γ-Chloropropyl) Poss (CAS 161678-38-2)
- Amidotrizoic Acid Impurity 2 (CAS 189514-07-6)
- (R)-1,4-Bis(Boc)-2-piperazinecarboxylic Acid (CAS 173774-48-6)
- 4,5-Bis((4-methoxybenzyl)oxy)picolinohydrazide (CAS 161188-00-7)
- 1-(4-Methoxy-3-nitrophenyl)-2-methylpropan-2-amine (CAS 1491939-00-4)
- Tirzepatide Impurity 51 (CAS CATO-C4X-324051)
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