3-(4-Chlorophenyl)-1-phenyl-1H-pyrazolo[3,4-d]pyrimidine CAS 667909-99-1
| CAS No. | 667909-99-1 |
| Molecular Formula | C17H11ClN4 |
| Molecular Weight | 306.75 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 3-(4-Chlorophenyl)-1-phenyl-1H-pyrazolo[3,4-d]pyrimidine (C17H11ClN4) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 306.75 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO supplies 3-(4-Chlorophenyl)-1-phenyl-1H-pyrazolo[3,4-d]pyrimidine (CAS 667909-99-1), a certified reference material (molecular formula C17H11ClN4, MW 306.75 g/mol) for analytical method development and quality control.
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), 3-(4-Chlorophenyl)-1-phenyl-1H-pyrazolo[3,4-d]pyrimidine 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 | C17H11ClN4 |
| Molecular Weight | 306.75 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related Chlorophenyl Standards
- 2-[(E)-[(2-Chlorophenyl)methylidene]amino]-5-phenylfuran-3-carbonitrile (CAS 478033-40-8)
- 4-(2-Chlorophenyl)-1-phenyl-1H-pyrazolo[3,4-d]pyrimidine (CAS 87412-78-0)
- 4-(4-Chlorophenyl)-1-phenyl-1H-pyrazolo[3,4-d]pyrimidine (CAS 87412-79-1)
- 4-[3-(4-Chlorophenyl)pyrazolo[1,5-a]pyrimidin-7-yl]pyridine (CAS 861209-73-6)
- 5-(4-Chlorophenyl)-2-phenoxypyridine-3-carbonitrile (CAS 338954-68-0)
- 6-(4-Chlorophenyl)-2-oxo-4-phenyl-1,2-dihydropyridine-3-carbonitrile (CAS 69538-75-6)
- 6-(4-Chlorophenyl)-2-phenoxypyridine-3-carbonitrile (CAS 252059-10-2)
- Methyl 3-(2-chlorophenyl)-5-[2-(dimethylamino)vinyl]-4-isoxazolecarboxylate (CAS 1610688-72-6)
Recommended Standards
- 4-(2-Benzoyl-4-chlorophenyl)-1H-pyrrole-3-carbonitrile (CAS 81992-95-2)
- 2-(4-Chlorophenoxy)-6-phenylpyridine-3-carbonitrile (CAS 252058-97-2)
- 2-(4-Chlorophenoxy)-5-phenylpyridine-3-carbonitrile (CAS 866048-90-0)
- 3-Chloro-1-(4-methylpiperazin-1-yl)-5-nitroisoquinoline (CAS 19559-37-6)
- 2-(2-Acetylphenyl)-4-benzyloxazol-5(4H)-one (CAS 62287-23-4)
- H-Leu-Ser-Lys-Leu-OH (CAS 162559-45-7)
- Methyl 6-methoxy-1-oxo-2,3-dihydro-1H-indene-5-carboxylate (CAS 760992-98-1)
- Ethyl 2-(4-bromophenyl)indolizine-1-carboxylate (CAS 885949-62-2)
- 2-Fluoro-5-methyl-N-[1-(4-methylphenyl)ethyl]aniline hydrochloride (CAS 1251922-86-7)
- 4-Bromo-3,5-dimethyl-2-(4-nitrobenzyl)-2H-pyrrole (CAS 937602-06-7)
- 5-fluoro-N-methoxy-N-methylpyridine-2-carboxamide (CAS 1017598-58-1)
- 4-(1-Methyl-1h-pyrazol-4-yl)-1,3-thiazol-2-amine (CAS 957242-34-1)
- 4-Chloro-6-cyclobutylthieno[3,2-d]pyrimidine (CAS 2227205-63-0)
- Tau Peptide (294-305) (human) trifluoroacetate salt (CAS 1428135-29-8)
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