5-methoxy-1-methyl-1H-indole CAS 2521-13-3

Purity 97%+In StockPharmaceutical Standards
CAS No.2521-13-3
Molecular FormulaC14H29Cl2N2O2P
Molecular Weight359.27 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-methoxy-1-methyl-1H-indole CAS 2521-13-3 chemical structure

Description

5-methoxy-1-methyl-1H-indole (CAS 2521-13-3) is a high-purity analytical reference standard with the molecular formula C14H29Cl2N2O2P and a molecular weight of 359.27 g/mol.

Structurally, 5-methoxy-1-methyl-1H-indole (C14H29Cl2N2O2P) contains an amide group, organophosphorus functionality, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 0.5, corresponding to approximately 0 ring(s) or double-bond equivalent(s). With a molecular weight of 359.27 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.

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 FormulaC14H29Cl2N2O2P
Molecular Weight359.27 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityLight-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)0.5
CAS Registry Year (est.)1957
Halogen ContentCl-containing
Nitrogen Atoms2

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