1-((1-(Benzo[d]oxazol-2-yl)piperidin-4-yl)methyl)-3-(thiophen-2-yl)urea CAS 1797285-75-6
| CAS No. | 1797285-75-6 |
| Molecular Formula | C18H20N4O2S |
| Molecular Weight | 356.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-((1-(Benzo[d]oxazol-2-yl)piperidin-4-yl)methyl)-3-(thiophen-2-yl)urea (CAS 1797285-75-6), molecular formula C18H20N4O2S and molecular weight 356.44 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C18H20N4O2S, 1-((1-(Benzo[d]oxazol-2-yl)piperidin-4-yl)methyl)-3-(thiophen-2-yl)urea contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 356.44 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
As a certified reference material (CRM), 1-((1-(Benzo[d]oxazol-2-yl)piperidin-4-yl)methyl)-3-(thiophen-2-yl)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 | C18H20N4O2S |
| Molecular Weight | 356.44 g/mol |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Benzo Standards
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- Ethyl 4-(2-(benzo[d]oxazol-2-ylthio)acetamido)benzoate (CAS 58915-09-6)
- 1-(Benzo[d][1,3]dioxol-5-yl)-3-(4-(4-fluorophenyl)piperazin-1-yl)propan-1-one (CAS 344569-55-7)
- 4-((3-(Benzo[d][1,3]dioxol-5-yloxy)propyl)sulfonyl)piperazine-1-carbaldehyde (CAS 946286-38-0)
- N-(Benzo[d][1,3]dioxol-5-yl)-2-((6-methyl-2-(pyrrolidin-1-yl)pyrimidin-4-yl)oxy)acetamide (CAS 1030097-27-8)
- Rel-2-(benzo[b]thiophen-4-yl)-N-methyl-N-((1R,2R)-2-(pyrrolidin-1-yl)cyclohexyl)acetamide (CAS 111728-01-9)
- 2-(Benzo[b]thiophen-4-yl)-N-methyl-N-((1R,2R)-2-(pyrrolidin-1-yl)cyclohexyl)acetamide (CAS 114419-77-1)
Recommended Standards
- (4S)-1,1-dioxide-3,4-dihydro-4-hydroxy-2- (CAS 154127-40-9)
- Apricoxib (CAS 197904-84-0)
- (6-(2-(3,4-Diethoxyphenyl)thiazol-4-yl)pyridin-2-yl)methanol (CAS 145739-75-9)
- (2-(Benzylthio)-4,5-dihydro-1H-imidazol-1-yl)(2,6-dimethoxyphenyl)methanone (CAS 862826-69-5)
- 3-(3,4-Dihydro-2h-1,4-benzoxazine-4-sulfonyl)benzoic acid (CAS 1197683-35-4)
- 7-Bromo-6-chloro-4-quinazolinone (CAS 17518-98-8)
- N-(4-bromophenyl)-2-(naphthalen-1-yloxy)acetamide (CAS 331845-61-5)
- Primidone EP Impurity D (CAS 80544-75-8)
- n-(2,2-Difluoroethyl)-3-morpholinopropan-1-amine (CAS 1178130-12-5)
- (E)-4-(4-methylpiperazin-1-yl)-3-nitrobenzaldehyde O-methyl oxime (CAS 860650-08-4)
- n-[(2-methoxyphenyl)methyl]isoquinolin-5-amine (CAS 1152972-67-2)
- 1,2,3-Tribromo-2-methylpropane (CAS 631-28-7)
- tert-Butyl 4-(4-Ethoxy-1,1,1-trifluoro-4-oxobutan-2-yloxy)piperidine-1-carboxylate (CAS 1864074-89-4)
- Smac-N7 Peptide (CAS 401913-57-3)
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