(S)-4-Amino-2-((ethoxycarbonyl)amino)-4-oxobutanoic acid CAS 16639-91-1

Purity 97%+In StockPharmaceutical Standards
CAS No.16639-91-1
Molecular FormulaC7H12N2O5
Molecular Weight204.18 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(S)-4-Amino-2-((ethoxycarbonyl)amino)-4-oxobutanoic acid CAS 16639-91-1 chemical structure

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including (S)-4-Amino-2-((ethoxycarbonyl)amino)-4-oxobutanoic acid.

(S)-4-Amino-2-((ethoxycarbonyl)amino)-4-oxobutanoic acid (CAS 16639-91-1) is a high-purity analytical reference standard with the molecular formula C7H12N2O5 and a molecular weight of 204.18 g/mol.

Based on its molecular formula C7H12N2O5, (S)-4-Amino-2-((ethoxycarbonyl)amino)-4-oxobutanoic acid contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 204.18 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.

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

As a certified reference material (CRM), (S)-4-Amino-2-((ethoxycarbonyl)amino)-4-oxobutanoic acid 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 FormulaC7H12N2O5
Molecular Weight204.18 g/mol
AppearanceWhite to pale yellow crystalline powder. (faint amine-like odor)
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO, water
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)3.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1961
Nitrogen Atoms2

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