5-Chloro-2,4-di(pent-1-yn-1-yl)-6-(p-tolyl)pyrimidine CAS 1296787-93-3
| CAS No. | 1296787-93-3 |
| Molecular Formula | C21H21ClN2 |
| Molecular Weight | 336.86 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 5-Chloro-2,4-di(pent-1-yn-1-yl)-6-(p-tolyl)pyrimidine.
CATO supplies 5-Chloro-2,4-di(pent-1-yn-1-yl)-6-(p-tolyl)pyrimidine (CAS 1296787-93-3), a certified reference material (molecular formula C21H21ClN2, MW 336.86 g/mol) for analytical method development and quality control.
Owing to a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution, 5-Chloro-2,4-di(pent-1-yn-1-yl)-6-(p-tolyl)pyrimidine is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 336.86 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 5-Chloro-2,4-di(pent-1-yn-1-yl)-6-(p-tolyl)pyrimidine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C21H21ClN2 |
| Molecular Weight | 336.86 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
- 2,3,6-Tribromophenol (CAS 28165-57-3)
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- N-(3-Chlorobenzyl)-N-cyclopropyl-2-(4-(hydroxymethyl)piperidin-1-yl)acetamide (CAS 1353982-32-7)
- 1,4-Dimethyl-1,2,3,4-tetrahydroquinoxaline-6-carbaldehyde (CAS 124293-43-2)
- 2-Isopropyl-5,6-dimethylthieno[2,3-d]pyrimidine-4-thiol (CAS 917746-79-3)
- 4-Isopropyl-2-methylnicotinonitrile (CAS 242474-49-3)
- 7-Bromo-6-methylhept-1-ene (CAS 140661-09-2)
- 4,5-Dihydropyrazolo[1,5-a]pyrimidine-5-carboxylic acid (CAS 1251023-46-7)
- (3aS,7aR)-5-Methyloctahydro-1H-pyrrolo[3,4-c]pyridine dihydrochloride (CAS 1807939-12-3)
- 4,6-diethylpyrimidine-5-carboxylic acid (CAS 1820685-04-8)
- 66849-11-4 2-[(Propan-2-yl)oxy]benzoyl chloride DTXSID40579669 (CAS 66849-11-4)
- Ethyl 3-amino-4-(2-fluorophenyl)-thiophene-2-carboxylate (CAS 1263215-44-6)
- Neuropeptide S (human) (CAS 412938-67-1)
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