09T3687932 4755-81-1 Methyl 2-chloroacetoacetate Butanoic acid, 2-chloro-3-oxo-, methyl ester EINECS 225-286-6 UNII-09T3687932 CAS 4755-81-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 4755-81-1 |
| Molecular Formula | C5H7ClO3 |
| Molecular Weight | 150.56 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 09T3687932 4755-81-1 Methyl 2-chloroacetoacetate Butanoic acid, 2-chloro-3-oxo-, methyl ester EINECS 225-286-6 UNII-09T3687932 (CAS 4755-81-1), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C5H7ClO3. Molecular weight: 150.56 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C5H7ClO3 |
| Molecular Weight | 150.56 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Cl-containing |
Recommended Standards
- 4-chloro-acetoaceticacimethylester (CAS 32807-28-6)
- (S)-(-)-2-Acetoxypropionyl Chloride (CAS 36394-75-9)
- Tetrahydrofuran-3-yl carbonochloridate (CAS 98021-98-8)
- 4-(2-Chloro-5-nitrophenyl)-1,4-dihydro-[1,3,5]triazino[1,2-a]benzimidazol-2-amine (CAS 774560-40-6)
- 3,3,4,4,5,5,6,6,7,7,8,8,9,9,9-Pentadecafluoro-1-nonene (CAS 25431-45-2)
- 1-(4-Chlorophenoxy)-3,3-dimethylbutan-2-one (CAS 24473-06-1)
- Uranyl Acetate (Oxyacetate Uranium) (CAS 541-09-3)
- 2-Nitro-N-(4-(N-(pyrimidin-2-yl)sulfamoyl)phenyl)benzamide (CAS 455886-80-3)
- 5-(2-Methoxyethoxy)-2-nitrobenzoicacid (CAS 78361-13-4)
- Semaglutide impurity 61 (CAS CATO-C4X-222661)
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