2,2-Methylenebis(5,5-dimethylcyclohexane-1,3-dione) CAS 2181-22-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2181-22-8 |
| Molecular Formula | C17H24O4 |
| Molecular Weight | 292.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2,2-Methylenebis(5,5-dimethylcyclohexane-1,3-dione) (CAS 2181-22-8), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C17H24O4. Molecular weight: 292.37 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C17H24O4 |
| Molecular Weight | 292.37 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related Methylenebis Standards
- 5,5'-Methylenebis(3,4-dimethyl-1H-pyrrole-2-carboxylic acid) (CAS 27226-49-9)
- 4,4'-Methylenebis(3-nitroaniline) (CAS 26946-33-8)
- 3,3'-Methylenebis(2-hydroxybenzoic acid) (CAS 5578-67-6)
- 6,6'-Methylenebis(benzo[d][1,3]dioxol-5-ol) (CAS 78188-48-4)
- 2,2'-Methylenebis-(4-chloro-6-methyl-phenol) (CAS 57693-35-3)
- Methylenebis[dimethyl(2-pyridyl)silane] (CAS 243468-48-6)
- 5,5'-Methylenebis(2-aminobenzoic acid) (CAS 7330-46-3)
- 1,1'-(Methylenebis(2-hydroxy-5,1-phenylene))diethanone (CAS 28467-22-3)
Recommended Standards
- 2,2-Dimethyl-5-(2-methyladamantan-2-yl)-1,3-dioxane-4,6-dione (CAS 400080-18-4)
- 2-[(2,6-dimethylpiperidin-1-yl)carbonyl]-4,5-dimethoxyaniline (CAS 953892-79-0)
- 2,2-Azoxydibenzoicacid (CAS 573-79-5)
- N-(5-Bromo-2-methoxybenzyl)-2-(3-fluorophenyl)ethanamine hydrobromide (CAS 1609409-20-2)
- 2-(2-(Trifluoromethyl)phenyl)butanoic acid (CAS 1226059-93-3)
- 2-(5-Hexyl-2-thienyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 5-Hexyl-2-thiopheneboronic acid pinacol ester 917985-54-7 (CAS 917985-54-7)
- tert-Butyl 3-(((6-ethoxypyrimidin-4-yl)oxy)methyl)piperidine-1-carboxylate (CAS 1353954-07-0)
- 2,9-diazaspiro[4.5]decane;dihydrochloride (CAS 1334499-87-4)
- 2,2-Bis(hydroxymethyl)propane-1,3-diyl bis(dihydrogen phosphate) ammonium salt (CAS 70851-57-9)
- Tirzepatide(sodium salt) (CAS 2023788-19-2(free base))
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