4-Iodophenoxyacetic acid CAS 1878-94-0
| CAS No. | 1878-94-0 |
| Molecular Formula | C8H7IO3 |
| Molecular Weight | 278.04 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Iodophenoxyacetic acid (CAS 1878-94-0), molecular formula C8H7IO3 and molecular weight 278.04 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C8H7IO3, 4-Iodophenoxyacetic acid contains a carboxylic acid group, a hydroxyl group, an ether linkage, iodine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 278.04 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 4-Iodophenoxyacetic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C8H7IO3 |
| Molecular Weight | 278.04 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | >95% |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | I-containing |
Recommended Standards
- Dalilesen Impurity 1 (CAS 54413-93-3)
- (5-Iodo-pyridin-3-yl)-carbamic Acid Methyl Ester (CAS 1167056-06-5)
- 3-Hydroxy Anagrelide-13C6 (CAS CATO-C4X-22408)
- N-(2-Hydroxy-5-iodopyridin-3-yl)acetamide (CAS 1186310-70-2)
- N,O-dimethylhydroxylamine,HCL (CAS 1117-97-1)
- (+-)-Tamsulosin (CAS 94666-07-6)
- 1-(Bicyclo[2.2.1]heptan-2-yl)-2-methylpropan-2-ol (CAS 1245617-76-8)
- Ibrutinib Impurity 42 (CAS CATO-C4X-106442)
- 6-Hydroxy-5-phenylquinoline-7-carboxylic acid (CAS 87988-01-0)
- 3-Bromo-4-(difluoromethyl)thiophene (CAS 1784977-09-8)
- tert-Butyl 2-Amino-4-(4-methyl-1-piperazinyl)benzoate (CAS 1034975-35-3)
- 32012-16-1 CTK1B9495 Propanamide, 2-(methylamino)- (CAS 32012-16-1)
- (2,4-Dibromo-5-(difluoromethoxy)phenyl)methanol (CAS 1803781-96-5)
- Semaglutide impurity 51 (CAS CATO-C4X-222651)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com