2,2-dimethyl-3,4-dihydro-2H-1-benzopyran-5-ol CAS 942-56-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 942-56-3 |
| Molecular Formula | C11H14O2 |
| Molecular Weight | 178.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2,2-dimethyl-3,4-dihydro-2H-1-benzopyran-5-ol (CAS 942-56-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C11H14O2. Molecular weight: 178.23 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C11H14O2 |
| Molecular Weight | 178.23 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related dimethyl Standards
- 3,5-Dimethyl-1-(2-methyl-allyl)-1H-pyrazole-4-carbaldehyde (CAS 1004365-13-2)
- (3,3-dimethyl-2,3-dihydro-1-benzofuran-5-yl)methanol (CAS 1012070-16-4)
- 8,8-Dimethyl-5,6,7,8-tetrahydro-1,6-naphthyridin-2(1H)-one (CAS 1151665-35-8)
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Recommended Standards
- 2,2,3-Trimethyl-2,3-dihydrobenzofuran-6-ol (CAS 31354-04-8)
- 2,2-Dimethyl-3,4-dihydro-2h-1-benzopyran-7-ol (CAS 31005-72-8)
- 2,2,3-Trimethyl-2,3-dihydrobenzofuran-4-ol (CAS 60884-06-2)
- Methyl 3-{5-[(1E)-2-acetyl-3-ethoxy-3-oxoprop-1-en-1-yl]furan-2-yl}thiophene-2-carboxylate (CAS 241488-49-3)
- N-((3-((4-Methoxyphenoxy)methyl)-1,2,4-oxadiazol-5-yl)methyl)methanesulfonamide (CAS 1226437-93-9)
- methyl 1,4-dimethylcyclohex-3-ene-1-carboxylate (CAS 58911-05-0)
- 2-(Pyrimidin-5-yl)acetic acid hydrochloride (CAS 1222199-29-2)
- 2,4,5-Trifluorophenacyl bromide (CAS 193977-34-3)
- Beclometasone Impurity 33 (CAS CATO-C4X-147433)
- Semaglutide Impurity 145 (CAS CATO-C4X-2226145)
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