4-Chloro-6-methyl-1-phenyl-1h-pyrazolo[3,4-d]pyrimidine CAS 23121-14-4
| CAS No. | 23121-14-4 |
| Molecular Formula | C12H9ClN4 |
| Molecular Weight | 244.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution, 4-Chloro-6-methyl-1-phenyl-1h-pyrazolo[3,4-d]pyrimidine is typically pale yellow to yellow low-melting solid. Its solid-state physicochemical attributes — including a molecular weight of 244.68 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
4-Chloro-6-methyl-1-phenyl-1h-pyrazolo[3,4-d]pyrimidine (CAS 23121-14-4), molecular formula C12H9ClN4 and molecular weight 244.68 g/mol, is a CATO reference standard with documented purity and traceability.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 4-Chloro-6-methyl-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 | C12H9ClN4 |
| Molecular Weight | 244.68 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related Chloro Standards
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- 4-(6-Chloro-1H-benzo[d]imidazol-2-yl)phenol (CAS 113561-60-7)
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Recommended Standards
- 4-Chloro-3-methyl-6-phenylisoxazolo[5,4-b]pyridine (CAS 61658-64-8)
- 4-chloro-6-nitro-quinazoline-8-carbonitrile (CAS 2306276-27-5)
- 4-Chloro-2-methyl-5-(phenylethynyl)pyridazin-3(2H)-one (CAS 407577-73-5)
- 4-Chloro-7-cyclopropoxyquinoline-3-carbonitrile (CAS 2188210-70-8)
- 6-Hydroxy-1-phenylhexane-1,3-dione (CAS 23894-54-4)
- Methyl 2-[(chloroacetyl)amino]-4,5-dihydronaphtho[1,2-b]thiophene-3-carboxylate (CAS 1858251-54-3)
- 2,3-Dihydro-[1,4]dioxino[2,3-f]isobenzofuran-6,8-dione (CAS 4442-57-3)
- Phosphoramidon (CAS 36357-77-4)
- Methyl 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazolo[1,5-a]pyridine-5-carboxylate (CAS 1610612-05-9)
- (1S,2S)-1,2-Cyclopropanedicarboxylic Acid (CAS 14590-54-6)
- 3-Cyclopropyl-6-(4-fluorophenyl)-[1,2]oxazolo[5,4-b]pyridine-4-carboxylic acid (CAS 953730-51-3)
- Methyl 4-(Benzyloxy)-5-methoxy-2-nitrobenzoate (CAS 61032-41-5)
- 2-(2-Fluorophenoxy)-N-(isoxazol-4-yl)acetamide (CAS 1396872-13-1)
- 1-His-N-a-ethylidene Semaglutide (CAS CATO-C4X-2226252)
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