methyl 3-bromo-2,2-difluoro-propanoate CAS 99953-33-0
| CAS No. | 99953-33-0 |
| Molecular Formula | C4H5BrF2O2 |
| Molecular Weight | 202.98 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 202.98 g/mol gives methyl 3-bromo-2,2-difluoro-propanoate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies methyl 3-bromo-2,2-difluoro-propanoate (CAS 99953-33-0), a certified reference material (molecular formula C4H5BrF2O2, MW 202.98 g/mol) for analytical method development and quality control.
Based on its molecular formula C4H5BrF2O2, methyl 3-bromo-2,2-difluoro-propanoate contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/bromine substitution; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 202.98 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), methyl 3-bromo-2,2-difluoro-propanoate 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 | C4H5BrF2O2 |
| Molecular Weight | 202.98 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 1.0 |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | F/Br-containing |
Related methyl Standards
- 4-Bromo-4,4-difluorobutyricacid (CAS 147345-36-6)
- 2-BROMO-2,2-DIFLUORO-1-ETHOXY-1-OXOETHANE 2-BROMO-2,2-DIFLUORO-1-ETHOXYETHAN-1-ONE 2-BROMODIFLUOROETHYLACETATE 667-27-6 BC004180 ETHYL 2-BROMO-2,2-DIFLUOROACETATE ETHYL BROMODIFLUOROACETATE (CAS 667-27-6)
- 3-Bromo-5-nitropyridine (CAS 15862-30-3)
- 2-Bromo-3-nitropyridine (CAS 19755-53-4)
- 2-Bromo-4-nitropyridine (CAS 6945-67-1)
- 2-Bromo-5-nitropyridine (CAS 4487-59-6)
- 3-Bromo-2-nitropyridine (CAS 54231-33-3)
- 3-Bromo-2-pyrazinecarboxylic acid (CAS 937669-80-2)
Recommended Standards
- (203)81Tl (203)Tl 14280-48-9 CHEBI:37802 thallium, isotope of mass 203 thallium-203 (CAS 14280-48-9)
- 6-Bromopyrazine-2-carboxylic Acid (CAS 1196151-53-7)
- (3-bromopropyl)phosphonic acid (CAS 1190-09-6)
- 2-Bromopyrimidine-4-carboxylic Acid (CAS 1211515-50-2)
- 1-(4-Bromo-3-methylphenyl)-2,5-dimethyl-1H-pyrrole-3-carbaldehyde (CAS 347331-84-4)
- 5-(2,4-Dimethylphenyl)-1,2-oxazole-3-carboxylic acid (CAS 953753-81-6)
- 2-((6-(Adamantan-1-yl)-3-cyanopyridin-2-yl)thio)-N-(3-fluorophenyl)acetamide (CAS 340817-84-7)
- (E)-1-[(1-Chloro-3,4-dihydronaphthalen-2-yl)methylidene]-2-(4-fluorophenyl)hydrazine (CAS 320423-99-2)
- 4-Amino-3-phenylquinazolin-2(3H)-one (CAS 67461-76-1)
- 3-(3-(Trifluoromethyl)phenyl)-3H-[1,2,3]triazolo[4,5-b]pyridine (CAS 62051-94-9)
- 4-Oxochroman-7-carboxylic acid (CAS 90921-09-8)
- 1,4-Dibenzylpiperazine-d4 Dihydrochloride (CAS 118221-01-5)
- Cis-3a-methylhexahydroisoxazolo[2,3-b][1,2]oxazine-2-carbonitrile (CAS 53823-83-9)
- Semaglutide impurity 88 (CAS CATO-C4X-222688)
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