Methyl 3-chloro-2,2-dimethylbut-3-enoate CAS 56663-74-2
| CAS No. | 56663-74-2 |
| Molecular Formula | C7H11ClO2 |
| Molecular Weight | 162.61 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Methyl 3-chloro-2,2-dimethylbut-3-enoate (CAS 56663-74-2), a certified reference material (molecular formula C7H11ClO2, MW 162.61 g/mol) for analytical method development and quality control.
Structurally, Methyl 3-chloro-2,2-dimethylbut-3-enoate (C7H11ClO2) contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 162.61 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures Methyl 3-chloro-2,2-dimethylbut-3-enoate 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.
Physical & Chemical Properties
| Molecular Formula | C7H11ClO2 |
| Molecular Weight | 162.61 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1973 |
| Halogen Content | Cl-containing |
Related Methyl Standards
- 3-Chloro-2-fluorobenzenethiol (CAS 1121585-29-2)
- 2-Chloro-6-fluorobenzene-1-thiol (CAS 1208075-39-1)
- 5-Chloro-2-fluorobenzenethiol (CAS 1208076-47-4)
- 2-Chloro-3-fluorobenzenethiol (CAS 1208076-56-5)
- 2-Chloro-5-fluorobenzenethiol (CAS 1208077-02-4)
- 2-Chloro-1-(tetrahydro-2H-pyran-2-yl)ethan-1-one (CAS 141061-07-6)
- 2-Chloro-1-(tetrahydro-2H-pyran-3-yl)ethan-1-one (CAS 1425865-56-0)
- 2-chloro-1-tetrahydropyran-4-yl-ethanone (CAS 1537276-84-8)
Recommended Standards
- Ethyl (E)-4-chloropent-3-enoate (CAS 32886-94-5)
- 2420-16-8 Benzaldehyde, 3-chloro-4-hydroxy- (8CI)(9CI) 3-Chloro-4-hydroxybenzaldehyde NSC 85482 (CAS 2420-16-8)
- Cyclopentylmethyl chloroformate (CAS 38240-04-9)
- 4GCC8ZKM3O 635-93-8 5-Chlorosalicylaldehyde Benzaldehyde, 5-chloro-2-hydroxy- Salicylaldehyde, 5-chloro- 4-08-00-00224 (Beilstein Handbook Reference) AI3-52302 BRN 0636632 4-Chloro-2-formylphenol 5-Chloro-2-hydroxybenzaldehyde EINECS 211-244-4 2-Hydroxy-5-chlorobenzaldehyde NSC 3811 UNII-4GCC8ZKM3O (CAS 635-93-8)
- 1-Methyl-3-((methylamino)methyl)-1H-pyrazole-5-carbonitrile hydrochloride (CAS 1643141-20-1)
- 4-(4-Nitrophenyl)tetrahydro-2H-pyran (CAS 62071-39-0)
- 8-Methyl-2-(p-tolyl)imidazo[1,2-a]pyridine-3-carbaldehyde (CAS 524724-74-1)
- Bortezomib Impurity 77 (CAS 103435-88-7)
- N-(4-methoxyphenyl)-1-phenyl-5-(trifluoromethyl)-1H-pyrazole-4-carboxamide (CAS 956742-03-3)
- (5-Chloro-2-cyclopropylphenyl)boronic acid (CAS 2225175-49-3)
- 5-Chloro-N-(3,5-dichlorophenyl)-2-oxo-1-(3-(trifluoromethyl)benzyl)-1,2-dihydropyridine-3-carboxamide (CAS 338977-53-0)
- N-(2-Bromophenyl)-4-methoxybenzenesulfonamide (CAS 333449-40-4)
- 7-(Trifluoromethyl)-3,4-dihydroquinoxalin-2(1H)-one (CAS 716-81-4)
- Acetyl Hexapeptide-39 (CAS 1382088-38-1)
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 18665070610 / Nicole.chen@cato-chem.com