cis-3,5-Dimethyldihydro-2H-pyran-2,6(3H)-dione CAS 4295-92-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 4295-92-5 |
| Molecular Formula | C7H10O3 |
| Molecular Weight | 142.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies cis-3,5-Dimethyldihydro-2H-pyran-2,6(3H)-dione (CAS 4295-92-5), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C7H10O3. Molecular weight: 142.15 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C7H10O3 |
| Molecular Weight | 142.15 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| 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.) | 1958 |
Related cis Standards
- 6,6-Dimethyldihydro-2H-pyran-2,4(3H)-dione (CAS 84465-82-7)
- 5,5-Dimethyldihydro-2H-thiopyran-3(4H)-one (CAS 18615-62-8)
- 3,3-Dimethyldihydro-2H-thiopyran-4(3H)-one (CAS 22842-38-2)
- 2,3-Dimethyldihydro-2H-pyran-4(3H)-one (CAS 102548-02-7)
- 2,6-dimethyldihydro-2h-pyran-4(3h)-one (CAS 1073-79-6)
- 2,2-Dimethyldihydro-2H-pyran-3(4H)-one (CAS 1194800-59-3)
- 4,4-Dimethyldihydro-2H-pyran-3(4H)-one (CAS 133871-97-3)
- cis-2,6-Dimethyldihydro-2H-pyran-4(3H)-one (CAS 14505-80-7)
Recommended Standards
- 7-Oxabicyclo[2.2.1]heptane-2-carboxylic acid (CAS 19800-01-2)
- Ethosuximide EP Impurity B (CAS 50598-33-9)
- 6-Oxaspiro[bicyclo[3.1.0]hexane-3,2'-[1,3]dioxolane] (CAS 40025-75-0)
- 7-(((3-Amino-1,2,4-thiadiazol-5-yl)sulfonyl)methyl)-5-chloroquinolin-8-ol (CAS 922505-49-5)
- 3-(2-Methyl-1h-1,3-benzodiazol-1-yl)propanoic acid hydrochloride (CAS 58555-22-9)
- Betamethasone Valerate EP Impurity C (CAS 33755-46-3)
- 5-methyl-1H-1,3-benzodiazole-2-carbaldehyde hydrochloride (CAS 1185304-18-0)
- 2,5-Dioxopyrrolidin-1-yl 6-(3',6'-dihydroxy-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-6-carboxamido)hexanoate (CAS 148356-01-8)
- Fmoc-S-carboxymethyl-L-cysteine (CAS 1354485-07-6)
- Liraglutide Impurity 17 TFA Salt (CAS CATO-C4X-199217)
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