1'-[(3,4-Dichlorophenyl)methyl]-1',2'-dihydrospiro[1,3-dioxolane-2,3'-indole]-2'-one CAS 866152-01-4
| CAS No. | 866152-01-4 |
| Molecular Formula | C17H13Cl2NO3 |
| Molecular Weight | 350.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
1'-[(3,4-Dichlorophenyl)methyl]-1',2'-dihydrospiro[1,3-dioxolane-2,3'-indole]-2'-one (CAS 866152-01-4) is a high-purity analytical reference standard with the molecular formula C17H13Cl2NO3 and a molecular weight of 350.20 g/mol.
Structurally, 1'-[(3,4-Dichlorophenyl)methyl]-1',2'-dihydrospiro[1,3-dioxolane-2,3'-indole]-2'-one (C17H13Cl2NO3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 350.20 g/mol, it falls into the moderately-high-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.
As a certified reference material (CRM), 1'-[(3,4-Dichlorophenyl)methyl]-1',2'-dihydrospiro[1,3-dioxolane-2,3'-indole]-2'-one 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 | C17H13Cl2NO3 |
| Molecular Weight | 350.20 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
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- 1-(2-Amino-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl)-1-(2,4-dichlorophenyl)butan-2-one (CAS 866039-10-3)
- 4,4,5,5,6,6,7,7-octafluoro-3-hydroxy-1-phenylheptan-1-one (CAS 105602-61-7)
- 4-Mercapto-1H-imidazole-5-carbohydrazide (CAS 58413-35-7)
- Methyl 2,3-dimethyl-3-(o-tolyl)oxirane-2-carboxylate (CAS 1522141-10-1)
- (3-Fluoro-4-methoxyphenyl)(4-(piperazin-1-yl)phenyl)methanone (CAS 704873-33-6)
- (E)-3-(Hydrazonomethyl)-2-methyl-1H-indole (CAS 1196482-65-1)
- 5H-Pyrrolo[3,4-b]pyridin-7(6H)-one (CAS 1211584-54-1)
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- 2-Bromoprop-2-ene-1-sulfonyl chloride (CAS 1602567-15-6)
- Ethyl 3-(benzyloxy)-1-methyl-2-oxo-1,2-dihydropyridine-4-carboxylate (CAS 1952359-27-1)
- 1-Methoxy-1H-pyrazolo[1,5-b]pyrazol-4-amine (CAS 877929-42-5)
- Semaglutide impurity 59 (CAS CATO-C4X-222659)
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