2,2-Difluoro-2-(1-hydroxycycloheptyl)acetic acid CAS 681240-11-9
| CAS No. | 681240-11-9 |
| Molecular Formula | C9H14F2O3 |
| Molecular Weight | 208.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2,2-Difluoro-2-(1-hydroxycycloheptyl)acetic acid 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.
CATO supplies 2,2-Difluoro-2-(1-hydroxycycloheptyl)acetic acid (CAS 681240-11-9), a certified reference material (molecular formula C9H14F2O3, MW 208.20 g/mol) for analytical method development and quality control.
Based on its molecular formula C9H14F2O3, 2,2-Difluoro-2-(1-hydroxycycloheptyl)acetic acid contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 208.20 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.
Physical & Chemical Properties
| Molecular Formula | C9H14F2O3 |
| Molecular Weight | 208.20 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | F-containing |
Related Difluoro Standards
- 2,2-Difluoro-2-(1-hydroxy-3-methylcyclohexyl)acetic acid (CAS 1247778-32-0)
- 2,2-Difluoro-2-(1-hydroxy-4-methylcyclohexyl)acetic acid (CAS 1248938-79-5)
- ethyl 4,4-difluoro-1-hydroxycyclohexane-1-carboxylate (CAS 1393824-30-0)
- Methyl 4,4-difluoro-1-methoxycyclohexanecarboxylate (CAS 1447942-29-1)
- 2,2-Difluoro-2-(1-methoxycyclohexyl)acetic acid (CAS 1447943-65-8)
- ethyl 2,2-difluoro-2-(1-hydroxycyclopentyl)acetate (CAS 156544-74-0)
- 6,8-Difluoro-2,3-dimethylquinolin-4-amine (CAS 1251053-77-6)
- 2,2-Difluoro-2-(5-isoquinolinyl)ethanamine (CAS 960119-20-4)
Recommended Standards
- 2-(Trifluoromethylthio)benzyl alcohol (CAS 239463-93-5)
- 3-Methoxy-5-(trifluoromethyl)benzenethiol (CAS 476198-74-0)
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- 3-Methyl-4-((trifluoromethyl)thio)phenol (CAS 774-71-0)
- N-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-4-methylbenzenesulfonamide (CAS 78439-89-1)
- BENZOIC ACID, 4-(2-CARBOXYETHOXY)-, 1-METHYL ESTER (CAS 72155-09-0)
- 5-(4-Ethylphenyl)-7-(2-methoxyphenyl)-4,5,6,7-tetrahydro-[1,2,4]triazolo[1,5-a]pyrimidin-2-amine (CAS 575466-56-7)
- (R)-5,6-dichloro-1,2,3,4-tetrahydronaphthalen-1-amine (CAS 1241680-81-8)
- 81836-62-6 3-Amino-7-chloro-[1,4]-benzothiazine MFCD03412059 (CAS 81836-62-6)
- 2-Bromo-5-(trifluoromethyl)benzenethiol (CAS 60877-19-2)
- 4-Amino-2-ethoxybenzamide (CAS 2641-86-3)
- 2,3-Dichloro-5-(difluoromethoxy)benzyl alcohol (CAS 1804883-32-6)
- Ethyl 2-(aminooxy)butanoate (CAS 89584-42-9)
- PACAP-Related Peptide (PRP), rat (CAS 132769-35-8)
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