3-chloro-4-hydroxy-5-iodobenzoic acid 913476-74-1 CAS 913476-74-1
| CAS No. | 913476-74-1 |
| Molecular Formula | C7H4ClIO3 |
| Molecular Weight | 298.46 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies 3-chloro-4-hydroxy-5-iodobenzoic acid 913476-74-1 (CAS 913476-74-1), a certified reference material (molecular formula C7H4ClIO3, MW 298.46 g/mol) for analytical method development and quality control.
Structurally, 3-chloro-4-hydroxy-5-iodobenzoic acid 913476-74-1 (C7H4ClIO3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine/iodine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 298.46 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 3-chloro-4-hydroxy-5-iodobenzoic acid 913476-74-1 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 | C7H4ClIO3 |
| Molecular Weight | 298.46 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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, water |
| 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.) | 1987 |
| Halogen Content | Cl/I-containing |
Related chloro Standards
- 2-chloro-4-hydroxy-5-iodobenzoic acid (CAS 697762-47-3)
- 3-Chloro-5-hydroxy-4-iodobenzoic acid (CAS 2385054-24-8)
- 5-Chloro-2-hydroxy-3-iodobenzoic acid (CAS 4068-57-9)
- 4-Chloro-2-iodo-6-nitroaniline (CAS 123158-75-8)
- 4-Chloro-2-iodo-5-nitroaniline (CAS 146512-91-6)
- 2-Chloro-4-iodo-6-nitroaniline (CAS 873386-86-8)
- 5-Chloro-4-iodo-2-nitroaniline, 97% (CAS 335349-57-0)
- Methyl 3-chloro-6-iodopyrazine-2-carboxylate (CAS 2119746-38-0)
Recommended Standards
- 622-21-9 1,9-Diphenylnona-1,3,6,8-tetraen-5-one 1,3,6,8-Nonatetraen-5-one, 1,9-diphenyl- Acetone, dicinnamylidene- AI3-63083 Dicinnamalacetone EINECS 210-724-0 NSC 6245 (CAS 622-21-9)
- Levonorgestrel EP Impurity D (CAS 32419-58-2)
- trans-9,10-Epoxystearic Acid (CAS 2443-39-2)
- Dothiepin-d3 (CAS 136765-31-6)
- Ethyl 4-formyl-6-(trifluoromethyl)pyrimidine-2-carboxylate (CAS 944900-96-3)
- 7-[4-[(2,3-Dihydro-1,4-benzodioxin-6-yl)sulfonyl]-1-piperazinyl]-1-ethyl-6-fluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid (CAS 743444-68-0)
- 5-(2-chlorophenyl)-2-mercapto-3-(2-phenylethyl)thieno[2,3-d]pyrimidin-4(3H)-one (CAS 727704-62-3)
- (2-Methylimidazo[1,2-a]pyridin-3-yl)(1,5-dioxa-9-azaspiro[5.5]undecan-9-yl)methanone (CAS 1421468-86-1)
- 4-(2,5-Dimethylphenyl)thiazole-2-carbaldehyde (CAS 383143-92-8)
- (3-Bromopropyl)cyclopentane (CAS 34094-20-7)
- 2-Fluoro-4-(4-fluorophenyl)phenol (CAS 168158-52-9)
- n-(2-(Thiophen-2-yl)ethyl)-1h-imidazole-1-carboxamide (CAS 1087788-37-1)
- 9-(4’-Nitrophenyl)-9H-pyrido[3,4-b]indole-d4 (CAS 1215454-66-2)
- Semaglutide impurity 269 (CAS CATO-C4X-2226269)
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