2-(4-Hydroxy-3-methoxyphenyl)-2-oxoacetic acid CAS 2021-40-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2021-40-1 |
| Molecular Formula | C9H8O5 |
| Molecular Weight | 196.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(4-Hydroxy-3-methoxyphenyl)-2-oxoacetic acid (CAS 2021-40-1) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C9H8O5. Molecular weight: 196.16 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C9H8O5 |
| Molecular Weight | 196.16 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related Hydroxy Standards
- N-hydroxy-5-(N-hydroxycarbamimidoyl)picolinamide (CAS 1135282-99-3)
- 7-Hydroxy-1,3-benzodioxole-5-carboxylic Acid Methyl Ester (CAS 116119-01-8)
- 2-(2-Hydroxy-4-methoxyphenyl)-2-oxoacetic acid (CAS 120240-70-2)
- 7-Hydroxy-2,3-dihydrobenzo[b][1,4]dioxine-2-carboxylic acid (CAS 160657-99-8)
- 6-Hydroxy-2,3-dihydrobenzo[b][1,4]dioxine-2-carboxylic acid (CAS 160658-00-4)
- 3-Hydroxy-5-(methoxycarbonyl)benzoic Acid (CAS 167630-15-1)
- 7-Hydroxy-2,3-dihydrobenzo[b][1,4]dioxine-6-carboxylic acid (CAS 197584-99-9)
- [(5-Hydroxy-pyridine-3-carbonyl)-amino]-acetic acid (CAS 325970-25-0)
Recommended Standards
- 1,3-dimethyl-1H,2H,3H,4H,5H,6H-furo[2,3-d]pyrimidine-2,4,5-trione 238753-38-3 6T-0298 (CAS 238753-38-3)
- Gluconic Acid (contains Gluconolactone) (45-50% in Water) (CAS 526-95-4)
- Voriconazole Impurity 65 (CAS 3741-24-0)
- 5-Bromo-3-methoxypyridazine (CAS 1539034-34-8)
- 2-[5-(1-methyl-1H-pyrazol-4-yl)-1,2,4-oxadiazol-3-yl]azepane (CAS 1461705-78-1)
- Methyl (2r)-2-[(tert-butoxy)carbonylamino]-3-(4-fluorophenyl)propanoate (CAS 176794-99-3)
- Methyl 6-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)-2-(methylsulfonamido)-4,5,6,7-tetrahydrothieno[2,3-c]pyridine-3-carboxylate (CAS 321430-47-1)
- (S)-N-(thiophen-2-ylmethyl)pyrrolidine-2-carboxamide (CAS 1151519-60-6)
- 2-(4-Ethoxyphenyl)-2-(methylamino)acetic acid (CAS 1218057-48-7)
- Semaglutide Impurity 128 (CAS 2490269-78-6)
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