3-ethynyl-7,7-difluoro-norcarane CAS 2306269-54-3
| CAS No. | 2306269-54-3 |
| Molecular Formula | C9H10F2 |
| Molecular Weight | 156.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 156.17 g/mol gives 3-ethynyl-7,7-difluoro-norcarane distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 3-ethynyl-7,7-difluoro-norcarane (CAS 2306269-54-3), a certified reference material (molecular formula C9H10F2, MW 156.17 g/mol) for analytical method development and quality control.
Owing to fluorine substitution, an aromatic ring system, 3-ethynyl-7,7-difluoro-norcarane is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 156.17 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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-ethynyl-7,7-difluoro-norcarane 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 | C9H10F2 |
| Molecular Weight | 156.17 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1999 |
| Halogen Content | F-containing |
Related ethynyl Standards
- 6-Ethynyl-2,2-difluorospiro[3.3]Heptane (CAS 2408974-57-0)
- 6-Ethynyl-2-methylimidazo[1,2-a]pyridine (CAS 1010698-75-5)
- 6-Ethynyl-2,3-dihydro-1H-inden-1-one (CAS 1211588-31-6)
- 7-Ethynyl-5-methylbenzofuran (CAS 1245256-04-5)
- 4-Ethynyl-2,3-dihydro-1H-inden-1-one (CAS 1344903-16-7)
- 7-Ethynyl-2,3-dihydro-1H-inden-1-one (CAS 1344905-49-2)
- 5-Ethynyl-2-methyl-2H-indazole (CAS 1551200-32-8)
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Recommended Standards
- 2,4-Difluoro-1,3,5-trimethylbenzene (CAS 392-61-0)
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- (2,2-Difluoro-1-methylethyl)benzene (CAS 57514-09-7)
- Methyl 4-(3-hydroxy-4H-1,2,4-triazol-4-yl)benzoate (CAS 1355171-73-1)
- 1-(4-Hydroxybicyclo[2.2.2]Octan-1-yl)ethan-1-one (CAS 72948-96-0)
- ethyl 3-dimethoxyphosphorylpropanoate (CAS 23550-25-6)
- Enrofloxacin-d5 HI (ethyl-d5) (CAS 1219795-24-0)
- 4-Acetylpicolinamide (CAS 135450-71-4)
- 4-[(2,2-difluoroethane)sulfonyl]benzoic acid (CAS 1178294-42-2)
- 1-(tert-Butylcarbamoyl)piperidine-4-carboxylic acid (CAS 675190-10-0)
- N-[3,5-Bis(trifluoromethyl)phenyl]-N'-[(1R,2R)-2-[(11bS)-3,5-dihydro-4H-dinaphth[2,1-c:1',2'-e]azepin-4-yl]cyclohexyl]thiourea (CAS 1984862-45-4)
- 3-(3,5-Dimethoxyphenyl)-2-methylpropanoic acid (CAS 122333-94-2)
- Des-Ile17-Tirzepatide (CAS CATO-CPTD788956)
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