3-Hydroxy-7-methoxy-6-methyl-1-oxo-1,3-dihydroisobenzofuran-4-carboxylic acid CAS 142309-47-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 142309-47-5 |
| Molecular Formula | C11H10O6 |
| Molecular Weight | 238.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Hydroxy-7-methoxy-6-methyl-1-oxo-1,3-dihydroisobenzofuran-4-carboxylic acid (CAS 142309-47-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H10O6. Molecular weight: 238.19 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H10O6 |
| Molecular Weight | 238.19 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.) | 1997 |
Related Hydroxy Standards
- 6-Hydroxy-4,7-dimethoxybenzofuran-5-carboxylic acid (CAS 68094-07-5)
- 2-[(4-Hydroxy-3-methoxyphenyl)methylene]propanedioic acid (CAS 4475-29-0)
- 2-Hydroxy-5-((trifluoromethyl)thio)benzoic acid (CAS 129644-58-2)
- (Hydroxy(naphthalen-2-yl)methyl)phosphonic acid (CAS 132541-52-7)
- 4-Hydroxy-2-(3-oxopiperazin-1-yl)pyrimidine-5-carboxylic acid (CAS 1355189-53-5)
- 4-Hydroxy-5-(2-methoxyethoxy)-2-nitrobenzonitrile (CAS 1400188-34-2)
- 4-[Hydroxy(4-nitrophenyl)methyl]-1,3-oxazolidin-2-one (CAS 1451146-79-4)
- 6-(2-Hydroxy-ethyl)-3-methyl-5-oxo-5,8-dihydro-[1,2,4]triazolo[4,3-a]pyrimidine-7-carboxylic acid (CAS 879058-32-9)
Recommended Standards
- 4-(Ethoxycarbonyl)isophthalic acid (CAS 14230-18-3)
- 2-(Methylthio)-4-(trifluoromethyl)pyrimidine-5-carboxylic acid (CAS 149771-17-5)
- 2-(4-(3,5-Difluorophenyl)-1H-pyrazol-1-yl)acetic acid (CAS 1394022-37-7)
- 1-(Ethyl(methyl)amino)cyclopentane-1-carbonitrile (CAS 1255147-38-6)
- 4-((4-Bromophenyl)sulfonyl)-1-oxa-4-azaspiro[4.5]Decane (CAS 866155-26-2)
- 3-((3-Methylpiperidin-1-yl)methyl)benzenethiol (CAS 1443339-15-8)
- 4-Bromo-6-(trifluoromethyl)pyridazin-3-amine (CAS 1310918-29-6)
- Naldemedine Tosylate (CAS 1345728-04-2)
- 4-Chloro-6-(p-tolyl)thieno[2,3-d]pyrimidine (CAS 1610772-26-3)
- D-Gln24-Tirzepatide (CAS CATO-CPTD788910)
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