7-(Hydroxymethyl)isobenzofuran-1(3H)-one CAS 90560-28-4
| CAS No. | 90560-28-4 |
| Molecular Formula | C9H8O3 |
| Molecular Weight | 164.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
7-(Hydroxymethyl)isobenzofuran-1(3H)-one (C9H8O3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
7-(Hydroxymethyl)isobenzofuran-1(3H)-one (CAS 90560-28-4) is a high-purity analytical reference standard with the molecular formula C9H8O3 and a molecular weight of 164.16 g/mol.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 7-(Hydroxymethyl)isobenzofuran-1(3H)-one 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 | C9H8O3 |
| Molecular Weight | 164.16 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.) | 1982 |
Related Hydroxymethyl Standards
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- 5-(Hydroxymethyl)-6-methoxynicotinonitrile (CAS 1446431-54-4)
- 2,6-Bis(hydroxymethyl)isonicotinonitrile (CAS 148258-04-2)
- 3-(Hydroxymethyl)benzofuran-4-ol (CAS 149705-60-2)
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- 6-(Hydroxymethyl)-3-methoxypicolinonitrile (CAS 1646288-19-8)
- 2-(Hydroxymethyl)benzofuran-3(2H)-one (CAS 180516-35-2)
Recommended Standards
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- 6-Methyl-4-(prop-2-yn-1-yloxy)-2H-pyran-2-one (CAS 64507-46-6)
- 7,8-Dihydro-5H-pyrano[4,3-d]pyrimidine-4-carbaldehyde (CAS 944902-91-4)
- thiazol-4-ylmethanamine;dihydrochloride (CAS 1357352-51-2)
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- 2-(6-Dimethylamino-4-trifluoromethyl-pyridin-2-yl)-benzoic acid (CAS 1208081-44-0)
- 4-(4-(Allyloxy)benzoyl)-5-(4-ethylphenyl)-3-hydroxy-1-(2-methoxyethyl)-1H-pyrrol-2(5H)-one (CAS 618074-19-4)
- 2-[2-chloro-5-(trifluoromethyl)benzenesulfonamido]-4-(methylsulfanyl)butanoic acid (CAS 1008945-26-3)
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- Tert-butyl (5R,6S)-6-methyl-2-(2-oxo-2-phenylethyl)-2,8-diazaspiro[4.5]Decane-8-carboxylate (CAS 1899102-34-1)
- Acetyl Dipeptide-1 (CAS 196604-48-5)
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