1646-99-7 2-Methylbutanal 2,4-Dinitrophenylhydrazone 2-Methylbutanal 2-(2,4-Dinitrophenyl)hydrazone 2-Methylbutyraldehyde (2,4-Dinitrophenyl)hydrazone |A-Methylbutyraldehyde 2,4-Dinitrophenylhydrazone CAS 1646-99-7

Purity 97%+In StockPharmaceutical Standards
CAS No.1646-99-7
Molecular FormulaC11H14N4O4
Molecular Weight266.25 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1646-99-7 2-Methylbutanal 2,4-Dinitrophenylhydrazone 2-Methylbutanal 2-(2,4-Dinitrophenyl)hydrazone 2-Methylbutyraldehyde (2,4-Dinitrophenyl)hydrazone |A-Methylbutyraldehyde 2,4-Dinitrophenylhydrazone CAS 1646-99-7 chemical structure

Description

CATO manufactures 1646-99-7 2-Methylbutanal 2,4-Dinitrophenylhydrazone 2-Methylbutanal 2-(2,4-Dinitrophenyl)hydrazone 2-Methylbutyraldehyde (2,4-Dinitrophenyl)hydrazone |A-Methylbutyraldehyde 2,4-Dinitrophenylhydrazone 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.

CATO supplies 1646-99-7 2-Methylbutanal 2,4-Dinitrophenylhydrazone 2-Methylbutanal 2-(2,4-Dinitrophenyl)hydrazone 2-Methylbutyraldehyde (2,4-Dinitrophenyl)hydrazone |A-Methylbutyraldehyde 2,4-Dinitrophenylhydrazone (CAS 1646-99-7), a certified reference material (molecular formula C11H14N4O4, MW 266.25 g/mol) for analytical method development and quality control.

Owing to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage, 1646-99-7 2-Methylbutanal 2,4-Dinitrophenylhydrazone 2-Methylbutanal 2-(2,4-Dinitrophenyl)hydrazone 2-Methylbutyraldehyde (2,4-Dinitrophenyl)hydrazone |A-Methylbutyraldehyde 2,4-Dinitrophenylhydrazone is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 266.25 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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.

Physical & Chemical Properties

Molecular FormulaC11H14N4O4
Molecular Weight266.25 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957
Nitrogen Atoms4

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