Pentanoic Acid Oxybis(methylene) Ester CAS 40657-33-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 40657-33-8 |
| Molecular Formula | C12H22O5 |
| Molecular Weight | 246.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Pentanoic Acid Oxybis(methylene) Ester (CAS 40657-33-8), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C12H22O5. Molecular weight: 246.30 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C12H22O5 |
| Molecular Weight | 246.30 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1968 |
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Recommended Standards
- Parishin b, 98% (CAS 23554-79-2)
- PPOH (CAS 206052-01-9)
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- Methyl 2-methyl-5-oxo-4-[(4-phenoxyanilino)methylene]-4,5-dihydro-1H-pyrrole-3-carboxylate (CAS 477865-45-5)
- Benzyl (2-(1,4-dioxaspiro[4.5]Decan-8-yl)ethyl)carbamate (CAS 2383887-08-7)
- (R)-3-Boc-2,2-dimethyloxazolidine-4-carboxylic Acid (CAS 660852-86-8)
- 4-Amino-[1,2,4]triazolo[5,1-c][1,2,4]triazine-3-carbonitrile (CAS 61033-27-0)
- 3-Cyclopropoxy-4-methoxyaniline (CAS 1243407-05-7)
- 5-Methyl-1-indanone (CAS 4593-38-8)
- Tirzepatide Impurity 52 (CAS CATO-C4X-324052)
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