Iodoacetic acid-2-13C
Iodoacetic acid-2-13C (CAS: 55757-50-1) is a valuable isotopically labelled organic acid with the formula I<sup>13</sup>CH<sub>2</sub>CO<sub>2</sub>H and a molecular weight of 186.94. Supplied with 99 atom % 13C enrichment, this compound is primarily utilised in biochemical research and as a building block in organic synthesis where isotopic tracing is required. Its specific isotopic labelling allows for precise tracking in metabolic pathways or reaction mechanisms.

Biochemical Research
Iodoacetic acid-2-13C serves as an indispensable tool in metabolic studies. Its incorporation into biological systems allows researchers to trace carbon pathways and understand enzyme kinetics with high precision due to the 13C label.
Organic Synthesis
As a labelled reagent, this compound is employed in the synthesis of complex organic molecules. The 13C isotope enables detailed analysis of reaction mechanisms and product characterisation through techniques like NMR spectroscopy.
Analytical Standards
Due to its defined isotopic enrichment, Iodoacetic acid-2-13C can be used as an internal standard in mass spectrometry-based analyses, particularly for quantifying biological metabolites or drug metabolites.
| Molecular weight | 186.94 |
|---|---|
| Linear formula | I13CH2CO2H |
| 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 186.93 by atom % calculation |
|---|---|
| Isotopic Purity | 99 atom % 13C |
| Mass Shift | M+1 |
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-2-13C used for?
+
Iodoacetic acid-2-13C is primarily used in biochemical research for metabolic tracing and in organic synthesis as a labelled building block for mechanistic studies and product characterisation.
What is the CAS number and chemical formula for Iodoacetic acid-2-13C?
+
The CAS number for Iodoacetic acid-2-13C is 55757-50-1, and its chemical formula is I<sup>13</sup>CH<sub>2</sub>CO<sub>2</sub>H.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies Iodoacetic acid-2-13C with 99 atom % 13C enrichment. We do not represent this product as USP, BP, EP, or any pharmacopoeia grade.
How should Iodoacetic acid-2-13C be handled safely?
+
Iodoacetic acid-2-13C is classified as Danger. It is toxic if swallowed and causes severe skin burns and eye damage (H301-H314). Appropriate personal protective equipment, including eyeshields, gloves, and respiratory protection, must be used. Handle only in well-ventilated areas.
How is Iodoacetic acid-2-13C packed and exported?
+
This product is shipped under UN 2923, hazard class 6.1(8), Packing Group I. Tech Serve Solutions adheres to all regulations for the safe packing and global export of hazardous chemicals.
How can I request a sample or quote for Iodoacetic acid-2-13C?
+
To request a sample or a quote, please contact our sales team through the website or by phone. Provide the product name and CAS number (55757-50-1) for prompt service.
▶ Related products

5-Sulfosalicylic acid dihydrate
HO3SC6H3-2-(OH)CO2H 2H2O
Acids & Bases
Calcium hydroxide
Ca(OH)2
Acids & Bases
Acetic acid-12C2
12CH312CO2H
Acids & Bases
Acetic acid-13C2
13CH313CO2H
Acids & Bases
Acetic acid-13C2,d4
Acids & Bases

Acetic acid-17O2
CH3C17O2H
Acids & Bases
Acetic acid-18O2
CH3C18O2H
Acids & Bases
Acetic acid-2,2,2-d3
2-d3
Acids & Bases▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis