3,4-Dihydro-2-methoxy-4-methyl-2H-pyran (cis- and trans- mixture) CAS 53608-95-0
| CAS No. | 53608-95-0 |
| Molecular Formula | C7H12O2 |
| Molecular Weight | 128.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 3,4-Dihydro-2-methoxy-4-methyl-2H-pyran (cis- and trans- mixture).
CATO supplies 3,4-Dihydro-2-methoxy-4-methyl-2H-pyran (cis- and trans- mixture) (CAS 53608-95-0), a certified reference material (molecular formula C7H12O2, MW 128.17 g/mol) for analytical method development and quality control.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, 3,4-Dihydro-2-methoxy-4-methyl-2H-pyran (cis- and trans- mixture) is typically white to off-white liquid. Its solid-state physicochemical attributes — including a molecular weight of 128.17 g/mol — guide the selection of appropriate sample preparation and analytical techniques.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 3,4-Dihydro-2-methoxy-4-methyl-2H-pyran (cis- and trans- mixture) under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C7H12O2 |
| Molecular Weight | 128.17 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1972 |
Related Dihydro Standards
- 3,4-Dihydro-2-ethoxy-2H-pyrane (CAS 103-75-3)
- 5,6-Dihydro-2h-thiopyran-3-carbaldehyde (CAS 30058-79-8)
- 5,6-Dihydro-2H-pyran-3-carboxylic acid (CAS 100313-48-2)
- 3,6-dihydro-2H-pyran-2-carboxylic acid (CAS 116233-54-6)
- Methyl 4,5-dihydro-1H-pyrazole-5-carboxylate (CAS 164928-01-2)
- 1-Methyl-4,5-dihydro-1H-imidazole-4-carboxylic acid (CAS 17289-23-5)
- 1-(5,6-dihydro-1,4-dioxin-2-yl)ethan-1-one (CAS 59602-14-1)
- 2-Methyl-4,5-dihydro-1h-imidazole-4-carboxylic acid (CAS 902771-01-1)
Recommended Standards
- 3,3-Dimethyltetrahydro-2H-pyran-2-one (CAS 4830-05-1)
- 3,4-Dimethylpent-2-enoic acid (CAS 32557-37-2)
- 3,3-Dimethylpent-4-enoic acid (CAS 7796-73-8)
- 3,4-Dimethylpiperazin-2-one (CAS 496971-06-3)
- 3-(Methylsulfonamido)benzamide (CAS 932256-19-4)
- Imidazo[2,1-b][1,3]thiazole-5-sulfonyl chloride (CAS 1367929-96-1)
- 1-(4-Sulfamoylbenzenesulfonyl)piperidine-4-carboxylic acid (CAS 872107-85-2)
- Benzyl palmitate (CAS 41755-60-6)
- 5-Bromo-2-((propan-2-ylideneamino)oxy)benzonitrile (CAS 868271-05-0)
- 5-Oxopyrrolidin-3-yl (4-methoxyphenyl)carbamate (CAS 88015-92-3)
- Formoterol Impurity 102 (CAS 1823724-70-4)
- 5-Bromo-2-(1-(4-methoxyphenyl)-1H-pyrazol-5-yl)phenol (CAS 1202029-16-0)
- Entacapone Impurity 63 (CAS CATO-C4X-162963)
- Semaglutide impurity 29 (CAS CATO-C4X-222629)
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 18665070610 / Nicole.chen@cato-chem.com