5',5'-Dimethyltetrahydro-1H-spiro[pentalene-2,2'-[1,3]dioxan]-5(3H)-one CAS 112755-94-9
| CAS No. | 112755-94-9 |
| Molecular Formula | C13H20O3 |
| Molecular Weight | 224.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 5',5'-Dimethyltetrahydro-1H-spiro[pentalene-2,2'-[1,3]dioxan]-5(3H)-one 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.
5',5'-Dimethyltetrahydro-1H-spiro[pentalene-2,2'-[1,3]dioxan]-5(3H)-one (CAS 112755-94-9), molecular formula C13H20O3 and molecular weight 224.30 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system, 5',5'-Dimethyltetrahydro-1H-spiro[pentalene-2,2'-[1,3]dioxan]-5(3H)-one is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 224.30 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C13H20O3 |
| Molecular Weight | 224.30 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
Related Dimethyltetrahydro Standards
- 1-(2,2-Dimethyltetrahydro-2H-pyran-4-yl)heptan-1-one (CAS 313518-05-7)
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Recommended Standards
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- 1-(9H-carbazol-9-yl)-N,N-dimethylmethanamine (CAS 111960-22-6)
- N-(1,3-dimethylpyrazolo[3,4-b]pyridin-5-yl)prop-2-enamide (CAS 1153933-41-5)
- 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)picolinic acid (CAS 1315340-58-9)
- n-benZyl-2-(4-bromo-2-formylphenoxy)acetamide (CAS 553672-64-3)
- 4-[(2-Chloro-1,3-thiazol-5-yl)methoxy]aniline (CAS 1256283-08-5)
- 2-Amino-N-(2-hydroxyethyl)-4-methylpentanamide (CAS 857478-31-0)
- 5-Cyclopropoxy-6-ethylpyridine-3-sulfonamide (CAS 1243447-47-3)
- 1-(Benzo[d][1,3]dioxol-5-yl)-3-(2-(3-methylisoxazol-5-yl)ethyl)urea (CAS 1396685-11-2)
- 8-tert-Butyl-4-(4-tert-Butylbenzoyl)-1-oxa-4-azaspiro[4.5]decane-3-carboxylic acid (CAS 1326810-02-9)
- (R)-Benzyl 3-(2-aminoacetamido)pyrrolidine-1-carboxylate (CAS 1354016-87-7)
- Ethyl 6-Aminoimidazo[1,2-a]pyridine-3-carboxylate (CAS 1196153-46-4)
- Semaglutide impurity 65 (CAS CATO-C4X-222665)
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