11-(4-Chlorophenyl)-8-methyl-2,3,4,5-tetrahydrocyclohepta[c]furo[3,2-g]chromen-6(1H)-one CAS 858746-64-2
| CAS No. | 858746-64-2 |
| Molecular Formula | C23H19ClO3 |
| Molecular Weight | 378.85 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 11-(4-Chlorophenyl)-8-methyl-2,3,4,5-tetrahydrocyclohepta[c]furo[3,2-g]chromen-6(1H)-one is closely related to a steroid core, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
11-(4-Chlorophenyl)-8-methyl-2,3,4,5-tetrahydrocyclohepta[c]furo[3,2-g]chromen-6(1H)-one (CAS 858746-64-2) is a high-purity analytical reference standard with the molecular formula C23H19ClO3 and a molecular weight of 378.85 g/mol.
Structurally, 11-(4-Chlorophenyl)-8-methyl-2,3,4,5-tetrahydrocyclohepta[c]furo[3,2-g]chromen-6(1H)-one (C23H19ClO3) contains a steroid core, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 378.85 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
CATO manufactures 11-(4-Chlorophenyl)-8-methyl-2,3,4,5-tetrahydrocyclohepta[c]furo[3,2-g]chromen-6(1H)-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C23H19ClO3 |
| Molecular Weight | 378.85 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
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Recommended Standards
- 1-(2-Chlorobenzyl)-2-(3,4-dimethoxyphenyl)-1h-benzo[d]imidazole (CAS 431976-91-9)
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- 2-Chloro-N-cyclohexyl-N-[1-(4-methoxyphenyl)-2,5-dioxopyrrolidin-3-yl]acetamide (CAS 1858240-43-3)
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- 4-(((3,4-Dimethoxyphenyl)amino)methyl)piperidin-4-ol (CAS 1353878-24-6)
- 2-(7,7-Dimethylbicyclo[2.2.1]heptan-1-yl)ethan-1-amine hydrochloride (CAS 63854-63-7)
- (S)-1,2,3,4-Tetrahydro-3-isoquinoline-carboxylic acid hydrobromide (CAS 190961-15-0)
- 3',4'-Dichloro-[1,1'-biphenyl]-2-carbaldehyde (CAS 924868-83-7)
- 4-(2-(Dimethylamino)ethoxy)pyrimidin-5-amine (CAS 1443289-50-6)
- Dimethyl 4-methyl-6-morpholinoquinoline-2,3-dicarboxylate (CAS 866039-61-4)
- (9H-Fluoren-9-yl)methyl (2-oxotetrahydrofuran-3-yl)carbamate (CAS 1313254-59-9)
- 1,4-Benzenedicarboxylic acid, 1,4-dimethyl ester, polymer with 1,2-ethanediol and 2,2'-oxybis[ethanol] (CAS 29154-49-2)
- 2-(Naphthalen-2-yl)isonicotinic acid (CAS 100004-92-0)
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Why CATO?
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