Methylene Diacetate CAS 628-51-3
| CAS No. | 628-51-3 |
| Molecular Formula | C5H8O4 |
| Molecular Weight | 132.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures Methylene Diacetate 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.
Methylene Diacetate (CAS 628-51-3), molecular formula C5H8O4 and molecular weight 132.11 g/mol, is a CATO reference standard with documented purity and traceability.
Methylene Diacetate (C5H8O4) contains a carbohydrate-derived structure. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions.
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 | C5H8O4 |
| Molecular Weight | 132.11 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1957 |
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Recommended Standards
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- (S)-6,7-Dihydroxy-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid (CAS 34312-81-7)
- 2,2-Dimethyl-N-(3-methylcyclopentyl)thietan-3-amine (CAS 1878893-52-7)
- 2-Cyclopentylbenzoic acid (CAS 91495-66-8)
- tert-butyl (2R,4R)-4-azido-2-(methoxymethyl)pyrrolidine-1-carboxylate (CAS 1123305-97-4)
- 5-(4-Bromophenyl)-1-(4-nitrophenyl)-1H-1,2,3-triazole (CAS 324042-27-5)
- D-Trp25-Tirzepatide (CAS CATO-CPTD788909)
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 18665070610 / Nicole.chen@cato-chem.com