3-Oxo-1,3-dihydroisobenzofuran-5-carbaldehyde CAS 452978-42-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 452978-42-6 |
| Molecular Formula | C9H6O3 |
| Molecular Weight | 162.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Oxo-1,3-dihydroisobenzofuran-5-carbaldehyde (CAS 452978-42-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H6O3. Molecular weight: 162.14 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H6O3 |
| Molecular Weight | 162.14 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
Related Oxo Standards
- 1-Oxo-1,3-dihydroisobenzofuran-4-carbaldehyde (CAS 90484-24-5)
- 1-(1,3-Dihydroisobenzofuran-5-yl)ethan-1-amine (CAS 1250253-39-4)
- 1,3-Dihydroisobenzofuran-5-carboxylic acid (CAS 933694-57-6)
- (6-Methyl-1,3-dihydroisobenzofuran-5-yl)methanol (CAS 941600-62-0)
- 3-Oxo-1,3-dihydroisobenzofuran-4-carbonitrile (CAS 1378671-50-1)
- 1-Oxo-1,3-dihydroisobenzofuran-4-carbonitrile (CAS 90483-95-7)
- 1,3-Dihydroisobenzofuran-1,3-diol (CAS 158694-15-6)
- 2-(3-Oxo-1,3-dihydroisobenzofuran-1-yl)acetonitrile (CAS 18327-98-5)
Recommended Standards
- 3-Methylbenzofuran-4,7-dione (CAS 20958-13-8)
- 3-Oxo-2,3-dihydrobenzofuran-2-carbaldehyde (CAS 63136-73-2)
- 3-Methoxybicyclo[4.2.0]octa-1(6),2,4-triene-7,8-dione (CAS 41634-29-1)
- 2,3-Difluoro-2,3-Dihydro-1-Benzofuran (CAS 412273-73-5)
- N-(4-Piperidinyl)cyclopropanecarboxamidehydrochloride (CAS 1219971-76-2)
- 2-Bromo-1-(2-methylpiperidin-1-yl)propan-1-one (CAS 81042-13-9)
- Methyl 2-(2,3-dichloroquinolin-6-yl)acetate (CAS 1081320-83-3)
- 5-Chloromethyl-2-piperidin-1-yl-4H-[1,2,4]-triazolo[1,5-a]pyrimidin-7-one (CAS 1019111-22-8)
- Phthalic Acid, Bis-Isononyl Ester (CAS 68515-48-0)
- (Leu31,Pro34)-Peptide YY (human) trifluoroacetate salt (CAS 179986-95-9)
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