3-ethyl-5-(trichloromethyl)-1,2,4-oxadiazole CAS 1196-99-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1196-99-2 |
| Molecular Formula | C5H5Cl3N2O |
| Molecular Weight | 215.46 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-ethyl-5-(trichloromethyl)-1,2,4-oxadiazole (CAS 1196-99-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C5H5Cl3N2O. Molecular weight: 215.46 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C5H5Cl3N2O |
| Molecular Weight | 215.46 g/mol |
| Appearance | White to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related ethyl Standards
- 3-Methyl-5-(trichloromethyl)-4,5-dihydroisoxazol-5-ol (CAS 135351-22-3)
- 3-(Trichloromethyl)-1,2,4-thiadiazol-5(2h)-imine (CAS 7523-57-1)
- 2-(Trichloromethyl)benzonitrile (CAS 2635-68-9)
- 4-(trichloromethyl)benzonitrile (CAS 2179-45-5)
- 3-(Trichloromethyl)thiomorpholine (CAS 1452829-39-8)
- 2-(Trichloromethyl)pyrimidine-5-carbaldehyde (CAS 143034-45-1)
- 4-Methyl-4-(trichloromethyl)cyclohexa-2,5-dien-1-one (CAS 3274-12-2)
- 5-(Trichloromethyl)-4,5-dihydroisoxazol-5-ol (CAS 34648-11-8)
Recommended Standards
- 3-(Trimethylsilyl)propynylmagnesium bromide, 0.50 M in 2-MeTHF (CAS 78012-45-0)
- 2,2,2-Trichloro-1-(4,5-dihydrofuran-3-yl)ethanone (CAS 83124-80-5)
- 3-Chloro-2-propoxypyridine-4-boronic acid (CAS 2096341-56-7)
- (S)-2-Amino-N-cyclopropyl-3-methyl-N-(3-nitrobenzyl)butanamide (CAS 1354007-99-0)
- 1-Butyl-3-ethylurea (CAS 10310-60-8)
- 5-(Chloromethyl)-4-methyl-1H-imidazole Hydrochloride (CAS 51605-33-5)
- 1-(2,2-Dibromo-1-methylcyclopropyl)-4-methoxybenzene (CAS 52178-73-1)
- 8-Bromo-7-methyl-6-nitro-[1,2,4]triazolo[4,3-a]pyridine (CAS 2079881-82-4)
- (2R,3R)-3-phenyltetrahydrofuran-2-carboxylic acid (CAS 1932359-39-1)
- (Des-Thr7)-Glucagon trifluoroacetate salt (CAS 1802078-28-9)
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