3,4-dihydro-2H-1-benzopyran-4-carboxylic acid CAS 20426-80-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 20426-80-6 |
| Molecular Formula | C10H16O3 |
| Molecular Weight | 184.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3,4-dihydro-2H-1-benzopyran-4-carboxylic acid (CAS 20426-80-6), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C10H16O3. Molecular weight: 184.23 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C10H16O3 |
| Molecular Weight | 184.23 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1962 |
Related dihydro Standards
- 1-(2,3-Dihydro-1,4-benzodioxin-2-yl)ethanone (CAS 1011-48-9)
- (3R)-3,4-dihydro-2H-1-benzopyran-3-carboxylic acid (CAS 1260609-71-9)
- 3,4-dihydro-2H-1,5-benzodioxepine-7-carbaldehyde (CAS 67869-90-3)
- 3,4-dihydro-2H-1-benzopyran-7-carboxylic acid (CAS 527681-33-0)
- 6,7-Dihydro-4H-pyrazolo[5,1-c][1,4]thiazine-2-carboxylic acid (CAS 1253790-97-4)
- 1-methyl-1,3-dihydro-2$l^{6},1,3-benzothiadiazole-2,2-dione (CAS 443987-59-5)
- 7,8-Dihydro-5H-Thiopyrano[4,3-D]Pyrimidine-2,4-Diol (CAS 857956-61-7)
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Recommended Standards
- 3,3-Dipropyldihydrofuran-2,5-dione (CAS 77762-61-9)
- 3-Benzylphenol (CAS 22272-48-6)
- 3,3'-(Furan-2,5-diyl)bis(propan-1-ol) (CAS 4412-78-6)
- 3-bromo-5-ethoxy-4-(3-methylbutoxy)benzoic acid (CAS 731827-15-9)
- 3-((1-Methylpyrrolidin-2-yl)methyl)indolin-4-ol (CAS 1415559-73-7)
- [(3,4-Dimethoxyphenyl)methyl]({[(3,4-dimethoxyphenyl)methyl]sulfamoyl})amine (CAS 337924-32-0)
- 2,2-Difluoro-1-(pyridin-4-yl)ethanone (CAS 1001907-66-9)
- N-[4-amino-3-(trifluoromethyl)phenyl]-2-furamide (CAS 923801-02-9)
- 4,5-dichloro-1-methyl-pyrazolo[3,4-b]pyridine (CAS 1601850-48-9)
- Tirzepatide Impurity 15 (CAS CATO-C4X-324015)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com