Iodoacetic acid-13C2
Iodoacetic acid-13C2 (CAS: 1173023-74-9), with the formula I<sup>13</sup>CH<sub>2</sub><sup>13</sup>CO<sub>2</sub>H and a molecular weight of 187.93, is a isotopically labelled organic acid. This compound is valuable as a chemical labelling agent and in synthetic organic chemistry, particularly where isotopic tracing is required for mechanistic studies or metabolic pathway analysis. Its structure allows for precise tracking in biological and chemical systems.

Chemical Labelling and Isotopic Tracing
Iodoacetic acid-13C2 is employed as a labelling agent in chemical synthesis and biochemical research. The incorporated 13C isotopes allow for precise tracking of molecular pathways and reaction mechanisms using mass spectrometry.
Synthetic Organic Chemistry Reagent
This compound serves as a valuable building block in organic synthesis. The presence of stable isotopes facilitates detailed mechanistic investigations and the development of complex molecules.
Biomolecular Mass Spectrometry
Its isotopically enriched nature makes Iodoacetic acid-13C2 suitable for use in mass spectrometry-based proteomics and metabolomics. It can be used as an internal standard or for studying enzyme activity.
| Molecular weight | 187.93 |
|---|---|
| Linear formula | I13CH213CO2H |
| Melting point | 77-79 °C(lit.) |


Hazard statements
- H301Toxic if swallowed
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 2923 6.1(8) / PGI |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T,C |
| Risk statements (R) | 25-35 |
| Safety statements (S) | 22-36/37/39-45 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Mol Wt | mol wt 187.92 by atom % calculation |
|---|---|
| Isotopic Purity | 99 atom % 13C |
| Mass Shift | M+2 |
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Iodoacetic acid-13C2 used for?
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Iodoacetic acid-13C2 is used for chemical labelling, isotopic tracing, in synthetic organic chemistry, and biomolecular mass spectrometry.
What is the CAS number and formula for Iodoacetic acid-13C2?
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The CAS number is 1173023-74-9 and the linear formula is I<sup>13</sup>CH<sub>2</sub><sup>13</sup>CO<sub>2</sub>H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Iodoacetic acid-13C2 with an isotopic purity of 99 atom % 13C. We do not represent this product as USP, BP, or EP grade.
How should I safely handle Iodoacetic acid-13C2?
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Iodoacetic acid-13C2 is labelled Danger with hazards H301 and H314. Handle with appropriate personal protective equipment including eyeshields, face shields, gloves, and a suitable respirator. Avoid ingestion and ensure adequate ventilation. Refer to the Safety Data Sheet for full handling information.
How is Iodoacetic acid-13C2 shipped and exported?
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Iodoacetic acid-13C2 is shipped and exported under UN 2923, hazard class 6.1 (8), packing group I. Tech Serve Solutions adheres to all regulations for the safe transport of hazardous chemicals.
How can I request a quote or sample?
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To request a quote or a sample of Iodoacetic acid-13C2, please contact our sales team through the website or by phone.
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