3-(Difluoromethoxy)-5-fluorobenzonitrile CAS 1261674-63-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1261674-63-8 |
| Molecular Formula | C8H4F3NO |
| Molecular Weight | 187.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(Difluoromethoxy)-5-fluorobenzonitrile (CAS 1261674-63-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H4F3NO. Molecular weight: 187.12 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H4F3NO |
| Molecular Weight | 187.12 g/mol |
| Appearance | Off-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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Related Difluoromethoxy Standards
- 2-(Difluoromethoxy)-5-fluorobenzonitrile (CAS 1017778-48-1)
- 4-(Difluoromethoxy)-2-fluorobenzonitrile (CAS 1017779-49-5)
- 5-(difluoromethoxy)-2-fluorobenzonitrile (CAS 1261499-62-0)
- 2-(Difluoromethoxy)-4-fluorobenzonitrile (CAS 933772-76-0)
- 2-(Difluoromethoxy)-6-fluorobenzonitrile (CAS 221202-14-8)
- 4-(Difluoromethoxy)-3-fluorobenzonitrile (CAS 954388-59-1)
- 3-(Difluoromethoxy)-4-fluorobenzonitrile 916210-09-8 (CAS 916210-09-8)
- 6-(Difluoromethoxy)-4-methylnicotinaldehyde (CAS 1079352-17-2)
Recommended Standards
- 6-(Trifluoromethyl)benzo[d]oxazole (CAS 1300106-03-9)
- 2-Amino-5-(trifluoromethyl)isonicotinonitrile (CAS 1260810-87-4)
- 2-((3-Amino-1,1,1-trifluoropropan-2-yl)oxy)acetic acid (CAS 1354950-44-9)
- 2,5,7-Triazaspiro[3.4]octan-8-one (CAS 693773-35-2)
- Pyrimidine,2-ethenyl-4,6-dimethoxy- (CAS 850234-80-9)
- 2-(2-Chlorophenyl)-N-(tetrahydro-2H-pyran-4-yl)-N-(2-(thiophen-2-yl)ethyl)acetamide (CAS 1787916-01-1)
- 4,5-dimethoxy-1H-indole-2-carboxylic acid (CAS 50536-49-7)
- Nicotinic Acid-6-Hydroxy (CAS 5006-66-6)
- N-(3,4-Dimethylphenyl)-2-[4-(5-methyl-1,2,4-oxadiazol-3-yl)-1,3-dioxo-1H,2H,3H,5H,6H,7H,8H,9H-pyrimido[1,6-a]azepin-2-yl]acetamide (CAS 1775354-12-5)
- Semaglutide impurity 272 (CAS CATO-C4X-2226272)
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