3-Bromo-1,1-dimethoxypropan-2-one CAS 75271-94-2
| CAS No. | 75271-94-2 |
| Molecular Formula | C5H9BrO3 |
| Molecular Weight | 197.03 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 3-Bromo-1,1-dimethoxypropan-2-one.
3-Bromo-1,1-dimethoxypropan-2-one (CAS 75271-94-2) is a high-purity analytical reference standard with the molecular formula C5H9BrO3 and a molecular weight of 197.03 g/mol.
Structurally, 3-Bromo-1,1-dimethoxypropan-2-one (C5H9BrO3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 1.0, corresponding to approximately 1 ring(s) or double-bond equivalent(s). With a molecular weight of 197.03 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.
As a certified reference material (CRM), 3-Bromo-1,1-dimethoxypropan-2-one 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 | C5H9BrO3 |
| Molecular Weight | 197.03 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) | 1.0 |
| CAS Registry Year (est.) | 1978 |
| Halogen Content | Br-containing |
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Recommended Standards
- 3-Amino-5-bromobenzonitrile (CAS 49674-16-0)
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- 3-Bromo-2-ethynylphenol (CAS 2228201-05-4)
- 2-Amino-5-fluoro-4-methylphenol (CAS 83341-37-1)
- (1-(Triisopropylsilyl)-1H-indol-3-yl)boronic acid (CAS 208655-73-6)
- 5,5-Dimethyl-1-azaspiro[3.5]nonane (CAS 1536779-17-5)
- 1-methyl-1H-pyrazolo[3,4-b]pyridine-5-carboxylic acid (CAS 1131912-88-3)
- 3-Ethoxy-4-iodo-5-methyl-1H-pyrazole, 97% (CAS 1338378-32-7)
- 3-Chloro-5-(4-hydroxyphenyl)isonicotinonitrile (CAS 1266161-10-7)
- 2,3,5,6-Tetrahydroxy-1,4-dinitrocyclohexane dihydrate (CAS 37098-43-4)
- n-(Furan-2-carbonyl)-N-methylglycine (CAS 625408-95-9)
- Ethyl 2,4-dimethyl-7-phenylpyrrolo[1,2-a]pyrimidine-8-carboxylate (CAS 338419-86-6)
- Semaglutide impurity 23 (CAS CATO-C4X-222623)
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