Methylene Diacetate CAS 628-51-3
Purity 97%+In StockPharmaceutical Standards
| 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 supplies Methylene Diacetate (CAS 628-51-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C5H8O4. Molecular weight: 132.11 g/mol. Batch-specific COA and technical support are available on request.
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
- Ethyl methyl oxalate (CAS 615-52-1)
- Poly(oxymethylene), .alpha.-acetyl-.omega.-(acetyloxy)- (CAS 25231-38-3)
- cis-4-Hydroxytetrahydrofuran-2-carboxylic acid (CAS 2209-08-7)
- 1-Bromohex-5-en-2-one (CAS 145967-22-2)
- 1-(2-methoxyethyl)-1H-1,3-benzodiazole-2-carbaldehyde (CAS 118468-99-8)
- 4-(2-Methoxyethyl)-5-(phenoxymethyl)-4H-1,2,4-triazole-3-thiol (CAS 917746-99-7)
- (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)
- 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
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com