5-(3,4-Dichlorophenyl)-6-(diethoxymethyl)pyrimidine-2,4-diamine CAS 20535-53-9
| CAS No. | 20535-53-9 |
| Molecular Formula | C15H18Cl2N4O2 |
| Molecular Weight | 357.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(3,4-Dichlorophenyl)-6-(diethoxymethyl)pyrimidine-2,4-diamine (CAS 20535-53-9) is a high-purity analytical reference standard with the molecular formula C15H18Cl2N4O2 and a molecular weight of 357.24 g/mol.
The molecular framework of 5-(3,4-Dichlorophenyl)-6-(diethoxymethyl)pyrimidine-2,4-diamine (C15H18Cl2N4O2) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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.
As a certified reference material (CRM), 5-(3,4-Dichlorophenyl)-6-(diethoxymethyl)pyrimidine-2,4-diamine 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 | C15H18Cl2N4O2 |
| Molecular Weight | 357.24 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related Dichlorophenyl Standards
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Recommended Standards
- 4-Bromo-2-pivalamidopyridin-3-yl pivalate (CAS 2866291-66-7)
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- tert-butyl 4-((6-bromopyridin-2-yl)oxy)piperidine-1-carboxylate (CAS 871681-76-4)
- 1-(2,2-Difluoro-1,3-benzodioxol-5-yl)cyclopentanecarbonitrile (CAS 2119512-46-6)
- Cathine Hydrochloride (CAS 2153-98-2)
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- N-(1,2-dihydro-3H-pyrazol-3-ylidene)acetimidamide (CAS 51247-95-1)
- 2-[(3-Methyl-1,1-dioxidotetrahydro-3-thienyl)amino]ethanol hydrochloride (CAS 329325-19-1)
- 4-THP-butylÂtosylÂate (CAS 97499-73-5)
- 3-(Chloromethyl)-2,6-dimethoxypyridine (CAS 405103-49-3)
- tert-Butyl (S)-(1-(3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethyl)carbamate (CAS 887254-65-1)
- 2-(tert-Butoxycarbonyl)-5-oxooctahydrocyclopenta[c]pyrrole-1-carboxylic acid (CAS 1419100-98-3)
- Liraglutide(14-22)TFA Salt (CAS CATO-C4X-199212)
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