N4,N4-dimethyl-5-(4-phenoxyphenyl)pyrimidine-2,4-diamine CAS 338402-75-8
| CAS No. | 338402-75-8 |
| Molecular Formula | C18H18N4O |
| Molecular Weight | 306.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures N4,N4-dimethyl-5-(4-phenoxyphenyl)pyrimidine-2,4-diamine 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.
N4,N4-dimethyl-5-(4-phenoxyphenyl)pyrimidine-2,4-diamine (CAS 338402-75-8), molecular formula C18H18N4O and molecular weight 306.36 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, N4,N4-dimethyl-5-(4-phenoxyphenyl)pyrimidine-2,4-diamine is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 306.36 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).
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 | C18H18N4O |
| Molecular Weight | 306.36 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 4 |
Recommended Standards
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- 4-(4-Methylpiperazin-1-yl)-5,6,7,8-tetrahydro-1,5-naphthyridine-2-carbonitrile (CAS 1263209-49-9)
- 4-(Thiophen-2-yl)-3,4-dihydrobenzo[4,5]imidazo[1,2-a][1,3,5]triazin-2(1h)-imine (CAS 78650-08-5)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com