1-(Difluoriodo)-4-methylbenzene CAS 371-11-9

Purity 97%+In StockPharmaceutical Standards
CAS No.371-11-9
Molecular FormulaC7H7F2I
Molecular Weight256.03 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-(Difluoriodo)-4-methylbenzene CAS 371-11-9 chemical structure

Description

Structurally, 1-(Difluoriodo)-4-methylbenzene (C7H7F2I) contains fluorine/iodine substitution. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 256.03 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

1-(Difluoriodo)-4-methylbenzene (CAS 371-11-9), molecular formula C7H7F2I and molecular weight 256.03 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.

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 FormulaC7H7F2I
Molecular Weight256.03 g/mol
Purity97%+
StorageStore at room temperature, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, acetonitrile, DMSO
StabilityMay oxidize slowly on prolonged air exposure
Degree of Unsaturation (DBE)3.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1957
Halogen ContentF/I-containing

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