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R-10030

L-Arginine (13C6, 15N4)

Stable isotope standard for analytical research and method development.

Module Type
Stable Isotope Standards
Category
Metabolites
CAS
202468-25-5
Unlabeled CAS
1119-34-2
PubChem CID
71310244
Molecular Formula
[13C]6H15Cl[15N]4O2
Molecular Weight
220.59
AI Isotope Property & Application AnalysisShow

Isotope Summary

Labels
15N4, 13C6
Labeled atoms
10
Isotope positions
Confirmed in structure
Calculation reliability
High, based on explicit isotope structure

Mass & MS Parameters

Unlabeled exact mass
210.088353 Da
Labeled exact mass
220.096622 Da
Exact mass shift
10.008269 Da
Nominal mass shift
10
Ionm/zStatus
[M+H]+221.103899Theoretical
[M+Na]+243.08584Theoretical
[M+NH4]+238.130445Theoretical
[M-H]-219.089346Theoretical

Label Stability

Overall
Low risk
Calculation reliability
Medium, some information should be confirmed
  • Skeleton-bound 13C/15N labels are generally non-exchangeable under normal analytical handling.

Internal Standard Suitability

Rating
High
Chromatographic similarity
Expected high similarity
Natural isotope overlap
Low
  • Exact mass separation is 10.008269 Da; MS channel separation should be verified in the final method.
  • The unlabeled parent mass was derived from the isotope structure because a curated parent structure was not matched.
  • Overall suitability: High.

Recommended Applications

LC-MS/MS Quantitative Internal Standard
Recommended

LC-MS/MS Quantitative Internal Standard is classified as Recommended based on isotope mapping, mass separation, and label-stability rules.

Isotope Dilution Mass Spectrometry
Recommended

Isotope Dilution Mass Spectrometry is classified as Recommended based on isotope mapping, mass separation, and label-stability rules.

Metabolic Tracing
Possible

Metabolic Tracing is classified as Possible based on isotope mapping, mass separation, and label-stability rules.

Bioanalytical Method Development
Recommended

Bioanalytical Method Development is classified as Recommended based on isotope mapping, mass separation, and label-stability rules.

AI Interpretation

This analysis is based on isotope-aware structure data. The compound contains 15N4, 13C6, with an exact mass shift of 10.008269 Da. Label stability is assessed as Low risk, and internal-standard suitability is High. These results support analytical method development and require experimental validation.

AI-assisted analytical guidance is intended for method-development support. Actual isotope stability, chromatographic behavior, fragmentation and MRM transitions should be experimentally validated.