78213-30-6 6-Hydroxy-7-methoxyphthalide 1(3H)-Isobenzofuranone, 6-hydroxy-7-methoxy- MA-2 CAS 78213-30-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 78213-30-6 |
| Molecular Formula | C9H8O4 |
| Molecular Weight | 180.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 78213-30-6 6-Hydroxy-7-methoxyphthalide 1(3H)-Isobenzofuranone, 6-hydroxy-7-methoxy- MA-2 (CAS 78213-30-6), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C9H8O4. Molecular weight: 180.16 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C9H8O4 |
| Molecular Weight | 180.16 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.) | 1979 |
Related Hydroxy Standards
- 5-Hydroxy-2,3-dihydrobenzofuran-2-carboxylic acid (CAS 1163729-43-8)
- 7-Hydroxy-2,3-dihydrobenzo[b][1,4]dioxine-6-carbaldehyde (CAS 116757-65-4)
- 6-Hydroxy-2,3-dihydrobenzo[b][1,4]dioxine-5-carbaldehyde (CAS 123373-28-4)
- 7-Hydroxy-2,3-dihydrobenzofuran-2-carboxylic acid (CAS 1315348-83-4)
- 6-Hydroxy-2,3-dihydrobenzofuran-2-carboxylic acid (CAS 1315374-50-5)
- 6-Hydroxy-2,3-dihydrobenzofuran-7-carboxylic acid (CAS 1426155-59-0)
- 3-Hydroxy-2,3-dihydrobenzofuran-7-carboxylic acid (CAS 1824056-40-7)
- 6-Hydroxy-7-methylbenzo[d][1,3]dioxole-5-carbaldehyde (CAS 187040-04-6)
Recommended Standards
- 478518-66-0 (3S,4R,5S,6S)-6-(Hydroxy(113C)methyl)(2,3,4,5,6-13C5)oxane-2,3,4,5-tetrol (CAS 478518-66-0)
- L-Psicose (CAS 16354-64-6)
- 23147-59-3 3,6-Dihydroxy-1,4-dioxane-2,5-dimethanol DL-Glyceraldehyde Dimer DL-Glyceraldehyde, dimer (CAS 23147-59-3)
- 2-(Tert-butyl) 8-methyl 7-oxo-5-oxa-2-azaspiro[3.4]Octane-2,8-dicarboxylate (CAS 2012948-41-1)
- 1-(4-Bromophenyl)cyclopropanol (CAS 109240-30-4)
- 4-(Trifluoromethoxy)chlorobenzene (CAS 461-81-4)
- 1-(4-Bromophenoxy)-4-methanesulfonylbenzene (CAS 83642-28-8)
- tert-Butyl(2S-cis)-4-(benzyloxy)-2-(hydroxymethyl)pyrrolidine-1-carboxylate (CAS 134883-25-3)
- 5-((3,3-Dimethyl-2-oxobutyl)thio)-4-propyl-2,4-dihydro-3h-1,2,4-triazol-3-one (CAS 876576-25-9)
- Liraglutide Impurity 26 (CAS CATO-C4X-199226)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com