N-[2-(4-nitrophenyl)ethyl]-N'-propyl-Urea CAS 149340-93-2
| CAS No. | 149340-93-2 |
| Molecular Formula | C12H17N3O3 |
| Molecular Weight | 251.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies N-[2-(4-nitrophenyl)ethyl]-N'-propyl-Urea (CAS 149340-93-2), a certified reference material (molecular formula C12H17N3O3, MW 251.28 g/mol) for analytical method development and quality control.
Owing to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage, N-[2-(4-nitrophenyl)ethyl]-N'-propyl-Urea is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 251.28 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.
As a certified reference material (CRM), N-[2-(4-nitrophenyl)ethyl]-N'-propyl-Urea 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 | C12H17N3O3 |
| Molecular Weight | 251.28 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| 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 |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1999 |
| Nitrogen Atoms | 3 |
Related N Standards
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- 3-Methyl-5-((4-nitrophenyl)thio)-4H-1,2,4-triazol-4-amine (CAS 1315342-99-4)
- Ethyl 4-(3-nitrophenyl)-3-oxobutanoate (CAS 116904-71-3)
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Recommended Standards
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- rel-((1R,8S,9s,Z)-Bicyclo[6.1.0]non-4-en-9-yl)methanol (CAS 374898-56-3)
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- 64193-00-6 (~13~C)Phenylalanine DTXSID60583945 (CAS 64193-00-6)
- 4-Bromo-5-(difluoromethyl)-2-fluoro-3-(trifluoromethyl)pyridine (CAS 1804847-82-2)
- Ethyl 2-chloro-5-methoxybenzoate (CAS 1261792-01-1)
- KAEMPFEROL-4'-GLUCOSIDE (CAS 52222-74-9)
- Neu5Acα(2-3)Galβ MP Glycoside (CAS 159922-54-0)
- 1-(4-((Trimethylsilyl)ethynyl)phenyl)ethanone (CAS 75883-03-3)
- 5-Ethynylindoline (CAS 1849377-90-7)
- Semaglutide Impurity 187 (CAS CATO-C4X-2226187)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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