2,3-dibromo-5-ethoxy-6-hydroxybenzaldehyde CAS 20041-64-9
| CAS No. | 20041-64-9 |
| Molecular Formula | C9H8Br2O3 |
| Molecular Weight | 323.97 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 2,3-dibromo-5-ethoxy-6-hydroxybenzaldehyde.
CATO supplies 2,3-dibromo-5-ethoxy-6-hydroxybenzaldehyde (CAS 20041-64-9), a certified reference material (molecular formula C9H8Br2O3, MW 323.97 g/mol) for analytical method development and quality control.
Structurally, 2,3-dibromo-5-ethoxy-6-hydroxybenzaldehyde (C9H8Br2O3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, bromine 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 323.97 g/mol, it falls into the moderately-high-molecular-weight range. 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), 2,3-dibromo-5-ethoxy-6-hydroxybenzaldehyde 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 | C9H8Br2O3 |
| Molecular Weight | 323.97 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 |
| 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.) | 1962 |
| Halogen Content | Br-containing |
Related dibromo Standards
- Ethyl 2,4-dibromo-3-hydroxybenzoate (CAS 129788-07-4)
- 3-(3,5-Dibromo-4-hydroxyphenyl)propanoic acid (CAS 13811-12-6)
- 2,5-Dibromo-N-methoxy-N-methylnicotinamide (CAS 1394291-26-9)
- Methyl 3,5-dibromo-2-methoxybenzoate (CAS 15790-59-7)
- 2-(2,4-Dibromo-6-methylphenoxy)acetic acid (CAS 7250-62-6)
- 2-(2,6-Dibromo-4-methylphenoxy)acetic acid (CAS 38206-97-2)
- 2-(3,5-Dibromo-4-methoxyphenyl)acetic acid (CAS 89936-29-8)
- 2,3-dibromo-4,5-dimethoxybenzaldehyde (CAS 70625-29-5)
Recommended Standards
- 2,3-Dibromo-5-ethoxy-4-hydroxybenzaldehyde (CAS 2973-74-2)
- 2,5-Dibromo-3,4-dimethoxybenzaldehyde (CAS 854660-03-0)
- 2,3-Dibromo-5,6-dimethoxybenzaldehyde (CAS 875001-44-8)
- 3,5-Dibromo-2-ethoxybenzoic acid (CAS 633322-44-8)
- 3-Methyl-N-(2-oxo-1,2,3,4-tetrahydroquinolin-6-yl)benzenesulfonamide (CAS 922005-85-4)
- 4-(3-Chlorophenyl)-5-methylthiazol-2-amine (CAS 206555-32-0)
- 2-Methyl-1-(thiophene-2-carbonyl)piperazine (CAS 1240581-78-5)
- 2-(Aminomethyl)-3-(difluoromethyl)-5-fluoropyridine-6-carboxylic acid (CAS 1805996-30-8)
- 4,5-Dimethyl-2-(trimethylsilyl)phenyl trifluoromethanesulfonate (CAS 458566-99-9)
- 5H-pyrrolo[3,2-d]pyrimidine-4-carboxylic acid (CAS 1029144-15-7)
- 1,5-Bis(m-tolylamino)anthracene-9,10-dione (CAS 10114-49-5)
- Ambroxol Impurity 18 (CAS 40525-78-8)
- 3-{[(9h-fluoren-9-ylmethoxy)carbonyl]amino}-3-(pyridin-2-yl)propanoic acid (CAS 886505-63-1)
- [D-Ser8]-Semaglutide A (CAS CATO-C4X-2226116)
Why CATO?
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