4-Chloro-3-methylbutanoyl Chloride CAS 63480-13-7
| CAS No. | 63480-13-7 |
| Molecular Formula | C5H8Cl2O |
| Molecular Weight | 155.02 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
4-Chloro-3-methylbutanoyl Chloride (CAS 63480-13-7), molecular formula C5H8Cl2O and molecular weight 155.02 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C5H8Cl2O, 4-Chloro-3-methylbutanoyl Chloride contains a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 155.02 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
As a certified reference material (CRM), 4-Chloro-3-methylbutanoyl Chloride meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C5H8Cl2O |
| Molecular Weight | 155.02 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 | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1975 |
| Halogen Content | Cl-containing |
Related Chloro Standards
- 2-Chloro-3-methylbutanoyl chloride (CAS 35383-59-6)
- 4-Chloro-2-methylbutanoyl Chloride (CAS 51708-72-6)
- 4-Chloro-3-Oxobutyryl Chloride (CAS 41295-64-1)
- 1-Chloro-4-methanesulfinylbutane (CAS 53394-81-3)
- 2-Chloro-1,3,5-trimethylbenzene (CAS 1667-04-5)
- 1-CHloro-2-(propan-2-yl)benzene (CAS 2077-13-6)
- 1-CHloro-3-(propan-2-yl)benzene (CAS 7073-93-0)
- 1-Chloro-3-propylbenzene (CAS 57430-24-7)
Recommended Standards
- 5631-95-8 2,3-DICHLOROTETRAHYDROPYRAN DTXSID60336211 (CAS 5631-95-8)
- 4-Chloropentanoyl Chloride (CAS 63480-12-6)
- 5-Chlorovaleryl Chloride (CAS 1575-61-7)
- 3-Chloropivaloyl Chloride (CAS 4300-97-4)
- 2-(2-Nitrophenyl)pyridine (CAS 4253-81-0)
- 7-[(E)-2-[3-(4-tert-Butylphenoxy)phenyl]ethenyl]-[1,2,4]triazolo[1,5-a]pyrimidine (CAS 685108-17-2)
- 1-((1H-Benzo[d][1,2,3]triazol-1-yl)methyl)pyridin-1-ium chloride (CAS 111198-06-2)
- 1-Bromo-2-(difluoromethyl)-3-methoxybenzene (CAS 1261552-65-1)
- 7-Methyl-4-oxo-1-((tetrahydrofuran-2-yl)methyl)-2-thioxo-1,2,3,4-tetrahydropyrido[2,3-d]pyrimidine-5-carboxylic acid (CAS 937599-74-1)
- 3-Bromo-N-methylaniline hydrochloride (CAS 152814-26-1)
- 3,3-Difluorotetrahydro-2H-pyran-4-amine (CAS 2244040-18-2)
- (R)-3-(Carboxymethyl-cyclopropyl-amino)-piperidine-1-carboxylic acid tert-butyl ester (CAS 1204608-06-9)
- 5-Hydroxy-1-methyl-3,4-dihydroquinolin-2(1H)-one (CAS 34591-83-8)
- Des-Gln19-Tirzepatide (CAS CATO-CPTD788954)
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