Description

2-Benzyloxy-5-Nitro-Benzoic Acid-13C6 Benzyl Ester is a stable isotope-labeled compound, specifically a uniformly carbon-13 labeled benzyl ester derivative. This high-purity labeled standard is critical for ensuring accuracy and reliability in quantitative mass spectrometry and metabolic studies. It is primarily utilized by research scientists and quality control laboratories in the pharmaceutical, agrochemical, and analytical chemistry sectors for use as an internal standard in LC-MS/MS and GC-MS analyses.

Application

• Primary use as a stable isotope-labeled internal standard for the precise quantification of related compounds in complex matrices via LC-MS/MS or GC-MS.
• Essential tool in pharmacokinetic and metabolism studies (ADME) for tracking drug candidates and their metabolites.
• Critical component in method development and validation for regulatory compliance in pharmaceutical quality control (GMP/GLP).
• Used in environmental analysis for the detection and quantification of trace-level chemical pollutants.
• Applied in agrochemical research for studying the fate and distribution of pesticides and herbicides.
• Supports academic and industrial research involving the synthesis and characterization of nitroaromatic and benzyl-protected compounds.

Basic Information

Product Name	2-Benzyloxy-5-Nitro-Benzoic Acid-13C6 Benzyl Ester
CAS No.	1329840-65-4
Molecular Formula	C21H13D5N13C6O5 *
Molecular Weight	~374.35 g/mol (13C6 labeled)
Synonyms	Benzoic acid, 2-(benzyloxy)-5-nitro-, phenylmethyl ester-13C6
2-(Benzyloxy)-5-nitrobenzoic acid benzyl ester-13C6
Benzyl 2-benzyloxy-5-nitrobenzoate-13C6
13C6-2-Benzyloxy-5-nitrobenzoic acid benzyl ester
Uniformly 13C-labeled Benzyl O-benzyl-5-nitrosalicylate
13C6 Isotope Standard of BNBBE
13C6-BNBBE
EINECS	Contact for details

* Formula reflects uniform 13C labeling on the six carbon atoms of the benzyl ester moiety. The exact isotopic composition is specified on the Certificate of Analysis.

Quality Control

Every batch of our 2-Benzyloxy-5-Nitro-Benzoic Acid-13C6 Benzyl Ester is manufactured and analyzed under strict quality systems. We guarantee high chemical and isotopic purity, verified by advanced analytical techniques including NMR (1H, 13C) and High-Resolution Mass Spectrometry (HRMS). A comprehensive Certificate of Analysis (COA) detailing purity, isotopic enrichment, and solvent content is provided with each shipment to support your regulatory and research requirements.

Storage

Preserve in a tightly closed container, protected from light. Store at controlled room temperature (15-25°C) in a dry environment. For long-term storage, consider storing under inert atmosphere at -20°C to maximize stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0% (Area %)
Isotopic Enrichment	≥ 99 atom % 13C (on labeled positions)
Chemical Purity (NMR)	≥ 97.0%
Residual Solvents (GC)	Meets ICH guidelines

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.