5,6-Dihydroxy-1-methyl-1H-indole-2-carboxylic acid CAS 126434-73-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 126434-73-9 |
| Molecular Formula | C10H9NO4 |
| Molecular Weight | 207.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5,6-Dihydroxy-1-methyl-1H-indole-2-carboxylic acid (CAS 126434-73-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H9NO4. Molecular weight: 207.18 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C10H9NO4 |
| Molecular Weight | 207.18 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Nitrogen Atoms | 1 |
Related Dihydroxy Standards
- Methyl 5,6-dihydroxy-1H-indole-2-carboxylate (CAS 10131-14-3)
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- 2-(5,6-Dihydroxy-1H-indol-3-yl)acetic acid (CAS 67615-73-0)
- 1-(6,7-Dihydroxy-3,4-dihydroisoquinolin-2(1H)-yl)ethanone (CAS 140865-98-1)
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Recommended Standards
- 6-(2,5-Difluorophenyl)pyridin-3-ol (CAS 1261937-03-4)
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- 5-(Difluoromethyl)-6-fluoronicotinic acid (CAS 1804756-53-3)
- 1-(3-(1h-Pyrrol-1-yl)phenyl)ethan-1-one (CAS 154559-69-0)
- Semaglutide Impurity 143 (CAS CATO-C4X-2226143)
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