1-Butyl-3-(4-hydroxyphenyl)urea CAS 39617-89-5
| CAS No. | 39617-89-5 |
| Molecular Formula | C11H16N2O2 |
| Molecular Weight | 208.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 208.26 g/mol gives 1-Butyl-3-(4-hydroxyphenyl)urea distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 1-Butyl-3-(4-hydroxyphenyl)urea (CAS 39617-89-5), a certified reference material (molecular formula C11H16N2O2, MW 208.26 g/mol) for analytical method development and quality control.
Structurally, 1-Butyl-3-(4-hydroxyphenyl)urea (C11H16N2O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. 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 208.26 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 1-Butyl-3-(4-hydroxyphenyl)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 | C11H16N2O2 |
| Molecular Weight | 208.26 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1968 |
| Nitrogen Atoms | 2 |
Related Butyl Standards
- 1-(4-Hydroxyphenyl)-1-methyl-3-(propan-2-yl)urea (CAS 1042622-10-5)
- N-[2-[(3-Hydroxyphenyl)methylamino]ethyl]-acetamide (CAS 203580-73-8)
- 6-(2-Hydroxyphenyl)hexanoic acid (CAS 100257-13-4)
- Methyl 3-(3-Hydroxyphenyl)pentanoate (CAS 1142234-16-9)
- 3-(3-Hydroxyphenyl)-4-methylpentanoic Acid (CAS 1519665-43-0)
- Ethyl 2-(4-hydroxyphenyl)-2-methylpropanoate (CAS 152270-53-6)
- Ethyl4-(3-hydroxyphenyl)butanoate (CAS 160721-25-5)
- 6-(4-Hydroxyphenyl)hexanoic acid (CAS 6952-35-8)
Recommended Standards
- 1-Benzylisobenzofuran (CAS 61200-14-4)
- 1-Cyclohexyl-5-methyl-1h-pyrazole-4-carboxylic acid (CAS 288251-50-3)
- 1-benzyl-1H-indazole (CAS 43120-25-8)
- 1-Ethyl-3-(4-hydroxyphenethyl)urea (CAS 883107-36-6)
- (S)-2-(2-aminoacetamido)-3-(4-(2-(((S)-1-carboxy-2-(4-hydroxyphenyl)ethyl)amino)-2-oxoethoxy)phenyl)propanoic acid (CAS CATO-CPTD788499)
- 1-(1-Chloropropan-2-yl)-3-methylbenzene (CAS 825-97-8)
- rac-(2R,6R)-6-methylmorpholine-2-carboxylic acid hydrochloride (CAS 2059915-35-2)
- 7-methoxy-3,4-dihydroisoquinolin-6-ol hydrochloride (CAS 4602-78-2)
- Methyl methyl-L-isoleucinate (CAS 42807-92-1)
- 1-(2,5-Dichlorophenyl)-1h-pyrazole-3-carboxylic acid (CAS 1152962-14-5)
- 4-Amino-2,5-difluoro-3-methylbenzoic acid (CAS 178444-92-3)
- N,N-Dimethyl-n'-propylpropane-1,3-diamine (CAS 19475-28-6)
- (4-Sulfophenoxy)acetic acid (CAS 54736-68-4)
- Tirzepatide Impurity 15 (CAS CATO-C4X-324015)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com