2,4-Diamino-5-(3-fluorobenzyl)pyrimidine CAS 69945-57-9
| CAS No. | 69945-57-9 |
| Molecular Formula | C11H11FN4 |
| Molecular Weight | 218.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2,4-Diamino-5-(3-fluorobenzyl)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.
2,4-Diamino-5-(3-fluorobenzyl)pyrimidine (CAS 69945-57-9) is a high-purity analytical reference standard with the molecular formula C11H11FN4 and a molecular weight of 218.23 g/mol.
Owing to a nitrogen-containing heterocyclic scaffold, a nitrile group, fluorine substitution, 2,4-Diamino-5-(3-fluorobenzyl)pyrimidine is typically pale yellow to yellow low-melting solid. Its solid-state physicochemical attributes — including a molecular weight of 218.23 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 | C11H11FN4 |
| Molecular Weight | 218.23 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1976 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 4 |
Related Diamino Standards
- 2,4-Diamino-5-(4-fluorobenzyl)pyrimidine (CAS 836-06-6)
- 4-((3,5-Diamino-1H-pyrazol-4-yl)diazenyl)phenol (CAS 140651-18-9)
- 4-(4,6-Diamino-1H-pyrazolo[3,4-d]pyrimidin-3-yl)but-3-yn-1-ol (CAS 595586-23-5)
- 3,6-Diamino-7-methylquinoxaline-2-carboxylic acid (CAS 817165-71-2)
- 2,6-Diamino-4-cyclopropyl-4H-thiopyran-3,5-dicarbonitrile (CAS 931252-55-0)
- 2,6-diamino-5-chloro-3,4-dihydroquinazolin-4-one (CAS 143745-30-6)
- 2,5-Diamino-6-(phenylamino)pyrimidin-4(1H)-one (CAS 33359-01-2)
- 2-(2,4-Diamino-5-(difluoromethyl)pyridin-3-yl)acetic acid (CAS 1805281-58-6)
Recommended Standards
- 2-(Thiocyanatomethyl)isoindoline-1,3-dione (CAS 86273-65-6)
- 2-(4-Fluorophenyl)-4,5,6,7-tetrahydrooxazolo[4,5-c]pyridine (CAS 944903-48-4)
- 2,4-Dimethoxybenzenesulfonic acid (CAS 7134-13-6)
- 2-(3-Fluorophenyl)-4,5,6,7-tetrahydrooxazolo[4,5-c]pyridine (CAS 944897-15-8)
- n1-Ethyl-n1-(2-ethylbutyl)ethane-1,2-diamine (CAS 1153378-42-7)
- 1-Chloro-3-(2-isocyanatoethyl)benzene (CAS 62334-11-6)
- 2-Hydrazinylnicotinic acid (CAS 462068-09-3)
- 3-Chloro-4-((3-chlorobenzyl)oxy)benzoic acid (CAS 1002970-32-2)
- 5-Aminobicyclo[3.1.1]Heptane-1-carboxylic acid hydrochloride (CAS 2375193-32-9)
- 2-(2,4-Dimethylphenyl)butanoic acid (CAS 1226191-36-1)
- 2-(5-Bromo-3-methyl-1H-indazol-1-yl)ethan-1-ol (CAS 1562397-38-9)
- 2-isopropyl-3-methyl-5-nitro-1H-indole (CAS 2411637-34-6)
- 1-(5-Chlorothiophen-2-yl)-2,2,2-trifluoroethan-1-amine (CAS 1039837-54-1)
- Neuropeptide Y (13-36) (porcine) (CAS 113662-54-7)
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