5-Chloro-10,11-dihydro-5H-dibenzo[a,d][7]annulene CAS 1210-33-9

Purity 97%+In StockPharmaceutical Standards
CAS No.1210-33-9
Molecular FormulaC15H13Cl
Molecular Weight228.72 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-Chloro-10,11-dihydro-5H-dibenzo[a,d][7]annulene CAS 1210-33-9 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 228.72 g/mol gives 5-Chloro-10,11-dihydro-5H-dibenzo[a,d][7]annulene distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

5-Chloro-10,11-dihydro-5H-dibenzo[a,d][7]annulene (CAS 1210-33-9) is a high-purity analytical reference standard with the molecular formula C15H13Cl and a molecular weight of 228.72 g/mol.

Structurally, 5-Chloro-10,11-dihydro-5H-dibenzo[a,d][7]annulene (C15H13Cl) contains chlorine substitution, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 228.72 g/mol, it falls into the medium-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.

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 FormulaC15H13Cl
Molecular Weight228.72 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957
Halogen ContentCl-containing

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