3-(2,3-Dihydro-1H-inden-5-yl)-1-(1-methyl-2-oxo-5-phenyl-2,3-dihydro-1H-1,4-benzodiazepin-3-yl)urea CAS 136234-83-8
| CAS No. | 136234-83-8 |
| Molecular Formula | C26H24N4O2 |
| Molecular Weight | 424.49 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 3-(2,3-Dihydro-1H-inden-5-yl)-1-(1-methyl-2-oxo-5-phenyl-2,3-dihydro-1H-1,4-benzodiazepin-3-yl)urea is closely related to a steroid core, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 3-(2,3-Dihydro-1H-inden-5-yl)-1-(1-methyl-2-oxo-5-phenyl-2,3-dihydro-1H-1,4-benzodiazepin-3-yl)urea (CAS 136234-83-8), a certified reference material (molecular formula C26H24N4O2, MW 424.49 g/mol) for analytical method development and quality control.
Based on its molecular formula C26H24N4O2, 3-(2,3-Dihydro-1H-inden-5-yl)-1-(1-methyl-2-oxo-5-phenyl-2,3-dihydro-1H-1,4-benzodiazepin-3-yl)urea contains a steroid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 424.49 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C26H24N4O2 |
| Molecular Weight | 424.49 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Nitrogen Atoms | 4 |
Related Dihydro Standards
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Recommended Standards
- Arabinono-1,4-lactone (CAS 13280-76-7)
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- 8-Benzyl-4-(2-ethoxybenzoyl)-1-oxa-4,8-diazaspiro[4.5]decane-3-carboxylic acid (CAS 1326811-20-4)
- 2,4-Di-tert-butylphenol-d10DISCONTINUED. Please see D429473 or D429474. (CAS 1577233-50-1)
- Methyl 2-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)acetate (CAS 164025-07-4)
- 2-(3-Chloro-4-methylphenyl)-2,2-difluoroacetic acid (CAS 1260815-97-1)
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- [1-(4-Nitrophenyl)piperidin-4-ylidene]amino 4-methylbenzoate (CAS 339010-18-3)
- 8,9-Dihydroxy-6H-benzo[c]chromen-6-one (CAS 146776-29-6)
- 4-(3-Methoxyphenyl)-4h-1,2,4-triazole-3-thiol (CAS 36017-21-7)
- 4-Cyano-5-(difluoromethyl)-2-methoxy-3-nitropyridine (CAS 1806955-17-8)
- 2-((4-Phenylthiazol-2-yl)carbamoyl)benzoic acid (CAS 71591-64-5)
- Liraglutide Impurity 22 (CAS 536721-25-2)
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