(19E)-4,17-difluoro-1,5,8,13,15,22,27-heptaazatetracyclo[20.2.2.1¹⁰,¹⁴.0²,⁷]heptacosa-2,4,6,10,12,14,19-heptaen-9-one CAS 2227259-30-3

Purity 97%+In StockPharmaceutical Standards
CAS No.2227259-30-3
Molecular FormulaC20H23F2N7O
Molecular Weight415.44 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(19E)-4,17-difluoro-1,5,8,13,15,22,27-heptaazatetracyclo[20.2.2.1¹⁰,¹⁴.0²,⁷]heptacosa-2,4,6,10,12,14,19-heptaen-9-one CAS 2227259-30-3 chemical structure

Description

Based on its molecular formula C20H23F2N7O, (19E)-4,17-difluoro-1,5,8,13,15,22,27-heptaazatetracyclo[20.2.2.1¹⁰,¹⁴.0²,⁷]heptacosa-2,4,6,10,12,14,19-heptaen-9-one contains a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 415.44 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.

(19E)-4,17-difluoro-1,5,8,13,15,22,27-heptaazatetracyclo[20.2.2.1¹⁰,¹⁴.0²,⁷]heptacosa-2,4,6,10,12,14,19-heptaen-9-one (CAS 2227259-30-3), molecular formula C20H23F2N7O and molecular weight 415.44 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), (19E)-4,17-difluoro-1,5,8,13,15,22,27-heptaazatetracyclo[20.2.2.1¹⁰,¹⁴.0²,⁷]heptacosa-2,4,6,10,12,14,19-heptaen-9-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 FormulaC20H23F2N7O
Molecular Weight415.44 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
StorageStore at room temperature, protect from light
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1998
Halogen ContentF-containing
Nitrogen Atoms7

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