2-Phenyl-6,7-dihydropyrazolo[1,5-a]pyrazin-4(5H)-one CAS 1246552-68-0
| CAS No. | 1246552-68-0 |
| Molecular Formula | C12H11N3O |
| Molecular Weight | 213.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2-Phenyl-6,7-dihydropyrazolo[1,5-a]pyrazin-4(5H)-one 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.
2-Phenyl-6,7-dihydropyrazolo[1,5-a]pyrazin-4(5H)-one (CAS 1246552-68-0) is a high-purity analytical reference standard with the molecular formula C12H11N3O and a molecular weight of 213.24 g/mol.
Structurally, 2-Phenyl-6,7-dihydropyrazolo[1,5-a]pyrazin-4(5H)-one (C12H11N3O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 213.24 g/mol, it falls into the medium-molecular-weight range. 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.
Physical & Chemical Properties
| Molecular Formula | C12H11N3O |
| Molecular Weight | 213.24 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 3 |
Related Phenyl Standards
- 8-Phenyl-4,9-dihydropyrazolo[1,5-d][1,2,4]triazinone (CAS 135131-00-9)
- 8-methyl-5,6-dihydropyrazolo[3,4-h]quinazolin-2-amine (CAS 2526004-19-1)
- 5-Methyl-6,7-dihydropyrazolo[1,5-a]thieno[3,2-e]pyrimidine-3-carbonitrile (CAS 866145-04-2)
- 5-Oxo-4,5-dihydropyrazolo[1,5-a]quinazoline-3-carbonitrile (CAS 124570-55-4)
- 1,10b-dihydropyrazolo[1,5-c]quinazoline-5-thiol (CAS 59553-09-2)
- 5-Methyl-4,5-dihydropyrazolo[3,4-e][1,2,4]thiadiazin-3(2H)-one 1,1-dioxide (CAS 1708401-57-3)
- 5-Oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-2-carboxylic acid (CAS 197367-83-2)
- 7-Methyl-1,7-dihydropyrazolo[3,4-c][1,2]thiazin-4(3H)-one 2,2-dioxide (CAS 2137593-81-6)
Recommended Standards
- 3-Methoxy-4-(4-methyl-1H-imidazol-1-yl)benzonitrile (CAS 1243204-92-3)
- tert-butyl N-[1-(2H-1,2,3,4-tetrazol-5-yl)ethyl]carbamate (CAS 1249718-92-0)
- 2-(pyridin-3-yl)-3H,4H,5H,6H,7H-cyclopenta[d]pyrimidin-4-one (CAS 1239747-91-1)
- 1,2,3,4-Tetrahydro-5H-[1,4]diazepino[6,5-c]quinolin-5-one (CAS 1255780-35-8)
- Methyl 2-[3-(tetramethyl-1,3,2-dioxaborolan-2-yl)phenoxy]acetate (CAS 2377608-13-2)
- Ethyl 5-amino-3-chloropicolinate (CAS 872355-65-2)
- 2-Bromo-N-(2-chloropyridin-3-yl)acetamide (CAS 130916-47-1)
- 10-Bromo-9-fluoro-5,6-dihydrobenzo[f]imidazo[1,2-d][1,4]oxazepine (CAS 1451084-92-6)
- tert-butyl (3R)-3-(bromomethyl)piperidine-1-carboxylate (CAS 1002359-91-2)
- 2-Amino-4-(1H-indol-3-yl)butanoic acid (CAS 6245-92-7)
- 6-(Cyanomethyl)-4-(difluoromethyl)-3-fluoropicolinonitrile (CAS 1806981-25-8)
- 4-Cyclopropoxy-6-isopropoxynicotinonitrile (CAS 1243324-95-9)
- 5-Bromo-4-chloropyridine-2-carbonitrile (CAS 1256790-41-6)
- Semaglutide Impurity 12 (CAS CATO-C4X-222612)
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