1-(2-Fluorophenyl)-3-methylurea CAS 13140-07-3
| CAS No. | 13140-07-3 |
| Molecular Formula | C8H9FN2O |
| Molecular Weight | 168.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 1-(2-Fluorophenyl)-3-methylurea (CAS 13140-07-3), a certified reference material (molecular formula C8H9FN2O, MW 168.17 g/mol) for analytical method development and quality control.
Structurally, 1-(2-Fluorophenyl)-3-methylurea (C8H9FN2O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 168.17 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.
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.
Physical & Chemical Properties
| Molecular Formula | C8H9FN2O |
| Molecular Weight | 168.17 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1960 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Fluorophenyl Standards
- 2-(2-Fluorophenyl)acetohydrazide (CAS 116622-94-7)
- N'-(2-Fluorophenyl)acetohydrazide (CAS 1552322-40-3)
- (4-Fluorophenyl)acetic acid hydrazide (CAS 34547-28-9)
- (Z)-2-(3-Fluorophenyl)-N'-hydroxyethanimidamide (CAS 925252-32-0)
- [(2-fluorophenyl)methyl]urea (CAS 296277-54-8)
- 1-(3-Fluorophenyl)-3-methylurea (CAS 38648-52-1)
- 2-((4-Fluorophenyl)amino)acetamide (CAS 85098-68-6)
- 2-(2-Fluorophenyl)-n'-hydroxyethanimidamide (CAS 872361-89-2)
Recommended Standards
- 1H-thieno[3,2-c]pyrazole-5-carboxylic acid (CAS 1313726-01-0)
- 5-(Furan-2-yl)-1,3,4-oxadiazole-2(3H)-thione (CAS 13239-11-7)
- Imidazo[4,3-b][1,3]thiazole-3-carboxylic acid (CAS 1306605-02-6)
- 3-Amino-5-fluoro-n-methylbenzamide (CAS 1332300-70-5)
- 4-([1,1'-Biphenyl]-4-ylethynyl)benzaldehyde (CAS 475115-52-7)
- Ir[dF(t-Bu)-ppy]<SUB>3</SUB> (CAS 1380203-57-5)
- tert-butyl N-[4-methoxy-3-(4-methylpiperazin-1-yl)phenyl]carbamate (CAS 189761-17-9)
- 1,7-Dihydroxy-3-methylanthracene-9,10-dione (CAS 23282-11-3)
- 1-Ethyl-7-(trifluoromethyl)quinolin-4(1H)-one (CAS 1209432-17-6)
- tert-Butyl 3-(cyclopentylamino)-2-methylpropanoate (CAS 1221341-96-3)
- 4-Bromo-1-methyl-1H-benzo[d][1,2,3]triazole (CAS 1378259-89-2)
- Dasatinib Impurity 12 (CAS 62077-27-4)
- 4-((2-Phenyl-1H-imidazol-1-yl)methyl)-1-(phenylsulfonyl)piperidine (CAS 1396884-08-4)
- Acetyl-Exenatide trifluoroacetate salt (CAS 305815-28-5)
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