1-(1H-Indol-3-yl)-3-(2-methoxy-5-methylphenyl)urea CAS 899753-48-1
| CAS No. | 899753-48-1 |
| Molecular Formula | C17H17N3O2 |
| Molecular Weight | 295.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, 1-(1H-Indol-3-yl)-3-(2-methoxy-5-methylphenyl)urea is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 295.34 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.
1-(1H-Indol-3-yl)-3-(2-methoxy-5-methylphenyl)urea (CAS 899753-48-1), molecular formula C17H17N3O2 and molecular weight 295.34 g/mol, is a CATO reference standard with documented purity and traceability.
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-(1H-Indol-3-yl)-3-(2-methoxy-5-methylphenyl)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 | C17H17N3O2 |
| Molecular Weight | 295.34 g/mol |
| Appearance | Pale yellow to 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 3 |
Related H Standards
- (4-(1H-Indol-4-yl)piperazin-1-yl)(furan-2-yl)methanone (CAS 256458-55-6)
- 1-(1H-Indol-3-yl)-3-(2-methoxybenzyl)urea (CAS 922848-97-3)
- 1-(1H-Indol-3-yl)-3-(3-methoxybenzyl)urea (CAS 941926-90-5)
- 1-(1H-Indol-3-yl)-3-(4-methoxybenzyl)urea (CAS 922982-83-0)
- 2-(1H-Indol-3-yl)-N-(2-nitrobenzyl)ethanamine (CAS 355816-45-4)
- 2-(1H-Indol-3-yl)-N-(3-nitrobenzyl)ethanamine (CAS 355816-40-9)
- 2-(1H-Indol-3-yl)-N-(4-nitrobenzyl)ethanamine (CAS 355815-83-7)
- 3-(1H-Indol-2-yl)-4-(thiophen-2-yl)furan-2,5-dione (CAS 62787-08-0)
Recommended Standards
- (R)-7-Methoxy-4-((1-phenylethyl)amino)quinazolin-6-ol (CAS 402734-23-0)
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- (4-Amino-2-(methylthio)thiazol-5-yl)(2-nitrophenyl)methanone (CAS 2237942-23-1)
- 1-(2-(1H-imidazol-5-yl)ethyl)-3-benzyl-4-hydroxypyridin-2(1H)-one (CAS 860650-82-4)
- 2-Chloro-5-(1,1-dioxidoisothiazolidin-2-yl)benzoic acid (CAS 1183348-44-8)
- 4-Bromo-N-(piperidin-3-ylmethyl)benzamide hydrochloride (CAS 1834461-89-0)
- N1-Methyl-2'-deoxyguanosine (CAS 5132-79-6)
- N-Boc-(+/-)-1-phenylprop-2-en-amine (CAS 91230-12-5)
- 4-Chloro-1-isocyanato-2-methylbenzene (CAS 37408-18-7)
- 2,2-Dimethyl-4-phenylbutan-1-ol (CAS 15732-85-1)
- Methyl 3-(2H-1,3-benzodioxol-5-yl)-3-(2-chloroacetamido)propanoate (CAS 866136-98-3)
- 3,5-dimethoxy-4-methylaniline hydrochloride (CAS 854625-72-2)
- 3,4,4-Trimethylazetidin-2-one (CAS 22607-01-8)
- Crustacean Cardioactive Peptide (CCAP) (CAS 309247-84-5)
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