N2,N2,N4,N4-Tetraethyl-6-fluoropyrimidine-2,4-diamine CAS 1648-44-8
| CAS No. | 1648-44-8 |
| Molecular Formula | C12H21FN4 |
| Molecular Weight | 240.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
N2,N2,N4,N4-Tetraethyl-6-fluoropyrimidine-2,4-diamine (CAS 1648-44-8) is a high-purity analytical reference standard with the molecular formula C12H21FN4 and a molecular weight of 240.32 g/mol.
Structurally, N2,N2,N4,N4-Tetraethyl-6-fluoropyrimidine-2,4-diamine (C12H21FN4) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 240.32 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
Physical & Chemical Properties
| Molecular Formula | C12H21FN4 |
| Molecular Weight | 240.32 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 4 |
Recommended Standards
- 1,3-Benzothiazol-2-yl(phenyl)methanamine (CAS 1629-68-1)
- 5-Boc-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridine (CAS 165948-24-3)
- 2-[4-(aminomethyl)phenyl]-4-methyl-1$l^{6},2-thiazolidine-1,1-dione (CAS 1542876-40-3)
- Methyl 4-(cyclohexyloxy)thiophene-2-carboxylate (CAS 1707581-78-9)
- 2-Oxo-5-(pyrimidin-4-yl)-1,2-dihydropyridine-3-carboxylic acid (CAS 89996-04-3)
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- Z-Glu(OBzl)-OH.DCHA (CAS 62121-03-3)
- 2,3-Difluorobenzene-1-thiol (CAS 130922-39-3)
- 2-(Benzylamino)-N-(4-fluorophenyl)acetamide (CAS 329079-51-8)
- (3-Bromoquinolin-6-yl)methanol (CAS 1268261-05-7)
- N-Benzylbenzothioamide (CAS 14309-89-8)
- Methyl Indole-4-carboxylate (CAS 39830-66-5)
- Ethyl 4-amino-2,2-dimethyltetrahydro-2h-pyran-4-carboxylate (CAS 1343352-06-6)
- Semaglutide impurity 101 (CAS CATO-C4X-2226101)
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