4-(3-Ethyl-3-phenylureido)butanoic acid CAS 951946-24-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 951946-24-0 |
| Molecular Formula | C13H18N2O3 |
| Molecular Weight | 250.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(3-Ethyl-3-phenylureido)butanoic acid (CAS 951946-24-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C13H18N2O3. Molecular weight: 250.29 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C13H18N2O3 |
| Molecular Weight | 250.29 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.) | 1987 |
| Nitrogen Atoms | 2 |
Related Ethyl Standards
- 3-(3-Ethyl-3-phenylureido)propanoic acid (CAS 929824-11-3)
- n-(4-(3-Phenylureido)phenyl)acetamide (CAS 1967-24-4)
- 2-(2-(3-Phenylureido)thiazol-4-yl)acetic acid (CAS 401637-64-7)
- 4-(3-Phenylureido)butanoic acid (CAS 40421-99-6)
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- 3-(2-(3-Phenylureido)thiazol-4-yl)propanamide (CAS 1040648-76-7)
- Ethyl 2-(3-phenylureido)thiazole-4-carboxylate (CAS 313273-81-3)
- 3-(1-Phenylureido)propanoic acid (CAS 24371-62-8)
Recommended Standards
- 4-(2-tert-Butoxycarbonylethyl)-benzoic acid (CAS 953435-23-9)
- 4-(3-Methoxy-4-methylphenyl)-2,2-dimethyl-4-oxobutanoic acid (CAS 951885-21-5)
- 4-(2-(Diethylamino)acetamido)benzoic acid (CAS 302601-82-7)
- tert-butyl 2-[N-(morpholin-2-ylmethyl)acetamido]acetate (CAS 1803600-89-6)
- Ethyl 3-((N-benzylacetamido)methyl)-4-hydroxybenzofuran-2-carboxylate (CAS 114333-52-7)
- 4-[(prop-2-ynylamino)sulfonyl]benzoic acid (CAS 923248-74-2)
- 3-Benzoyl-4h,5h,7h-thieno[2,3-c]thiopyran-2-amine (CAS 52824-81-4)
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- N-(2,2-Dimethoxyethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzamide (CAS 850411-06-2)
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