4-Iodo-3-methoxybenzoic acid CAS 282087-44-9
| CAS No. | 282087-44-9 |
| Molecular Formula | C8H7IO3 |
| Molecular Weight | 278.04 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-Iodo-3-methoxybenzoic acid (CAS 282087-44-9), a certified reference material (molecular formula C8H7IO3, MW 278.04 g/mol) for analytical method development and quality control.
Based on its molecular formula C8H7IO3, 4-Iodo-3-methoxybenzoic 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.
As a certified reference material (CRM), 4-Iodo-3-methoxybenzoic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
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 | 97%+ |
| 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.) | 2025 |
| Halogen Content | I-containing |
Related Iodo Standards
- 2-Iodo-3-methoxybenzoic acid (CAS 50627-31-1)
- 2-Iodo-6-methoxybenzoic Acid (CAS 66195-39-9)
- 3-Iodo-2-methoxybenzoic acid (CAS 879498-16-5)
- 3-Iodo-4-methoxybenzoic Acid (CAS 68507-19-7)
- 3-Iodo-5-methoxybenzoic acid (CAS 74440-82-7)
- 4-Iodo-2-methoxybenzoic acid (CAS 89942-34-7)
- 5-Iodo-2-methoxybenzoic acid (CAS 2786-00-7)
- (5-Iodo-pyridin-3-yl)-carbamic Acid Methyl Ester (CAS 1167056-06-5)
Recommended Standards
- 5-(Hydroxymethyl)-6-iodo-1,3-benzodioxole (CAS 69048-76-6)
- 4-Hydroxy-5-iodo-2-methylbenzoic acid (CAS 201810-63-1)
- 5-Hydroxy-2-iodo-4-methoxybenzaldehyde (CAS 69048-73-3)
- Iodomethyl phenyl carbonate (CAS 211035-14-2)
- 2-Amino-N,N-dipropylpropanamide hydrochloride (CAS 1236266-07-1)
- (E)-5-(Hex-3-en-1-yl)dihydrofuran-2(3H)-one (CAS 97416-87-0)
- 1-(4-Fluoro-3,5-dimethylphenyl)ethan-1-one (CAS 42444-20-2)
- 2-Propanethiol (CAS 75-33-2)
- 5-Bromo-4-cyclopropyl-6-(difluoromethoxy)pyrimidine (CAS 2446483-76-5)
- 2-(1H-1,2,4-triazol-3-yl)benzoic acid (CAS 35257-24-0)
- (2,3-Difluoropyridin-4-yl)methanol (CAS 1227579-07-8)
- 8-Chloroisoquinoline (CAS 34784-07-1)
- 5-Chloro-1-isopropyl-1H-imidazol-2-amine (CAS 1890536-02-3)
- Fibrinopeptide B (human) (CAS 36204-23-6)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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