# Sodium hydrogen ferric dtpa

**CAS:** 12389-75-2  
**PubChem CID:** [71306927](https://pubchem.ncbi.nlm.nih.gov/compound/71306927)  
**Molecular formula:** C₁₄H₁₉FeN₃O₁₀Na  
**Molar mass:** 471.17 g/mol  
**IUPAC:** sodium;2-[bis[2-[bis(carboxymethyl)amino]ethyl]amino]acetate;iron  
**SMILES:** `C(CN(CC(=O)O)CC(=O)O)N(CCN(CC(=O)O)CC(=O)O)CC(=O)[O-].[Na+].[Fe]`  
**InChIKey:** `QPYLVHZXLVRPDD-UHFFFAOYSA-M`  
**InChI:** `InChI=1S/C14H23N3O10.Fe.Na/c18-10(19)5-15(1-3-16(6-11(20)21)7-12(22)23)2-4-17(8-13(24)25)9-14(26)27;;/h1-9H2,(H,18,19)(H,20,21)(H,22,23)(H,24,25)(H,26,27);;/q;;+1/p-1`  

## Physicochemical properties

| Parameter | Value |
|---|---|
| PSA | 199 Ų |
| Hydrogen bond donors | 4 |
| Hydrogen bond acceptors | 13 |
| Rotatable bonds | 4 |
| Heavy atoms | 29 |

## 3D structure

The molecule contains 51 atoms connected by 52 chemical bonds. Interactive 3D model available at: https://molgod.org/molecule/12389-75-2/

## Synonyms

- SODIUM HYDROGEN FERRIC DTPA
- 12389-75-2
- SodiumhydrogenferricDTPA
- sodium;2-[bis[2-[bis(carboxymethyl)amino]ethyl]amino]acetate;iron
- Sodium hydrogen ferric diethylenetriaminepentaacetate
- AKOS025310979

## Data sources

- [PubChem CID 71306927](https://pubchem.ncbi.nlm.nih.gov/compound/71306927)
- [NIST WebBook](https://webbook.nist.gov/cgi/cbook.cgi?ID=12389-75-2)
- [ChEMBL](https://www.ebi.ac.uk/chembl/g/#search_results/all/query=12389-75-2)

---

*Last updated: 2026-11-06 · Generator: MOL-GOD v3.12.33*