5-(4-Fluoro-3-nitrophenyl)-2H-tetrazole CAS 328244-35-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 328244-35-5 |
| Molecular Formula | C7H4FN5O2 |
| Molecular Weight | 209.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(4-Fluoro-3-nitrophenyl)-2H-tetrazole (CAS 328244-35-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H4FN5O2. Molecular weight: 209.14 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H4FN5O2 |
| Molecular Weight | 209.14 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, 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; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 5 |
Related Fluoro Standards
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- 1-(2-fluoro-5-nitrophenyl)-1H-tetrazole (CAS 1114822-66-0)
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- 5-(2-Fluoro-4-nitrophenyl)-2H-tetrazole (CAS 1171930-23-6)
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Recommended Standards
- 4-(1,1,2,2-Tetrafluoroethoxy)aniline (CAS 713-62-2)
- 5-Fluoro-2-(2,2,2-trifluoroethoxy)aniline (CAS 334929-99-6)
- 3-Fluoro-4-(trifluoromethoxy)benzylamine (CAS 886499-13-4)
- (3-Amino-4-methoxyphenyl)methanol (CAS 113928-90-8)
- N-allyl-1-methyl-3-(trifluoromethyl)-1H-thieno[2,3-c]pyrazole-5-carboxamide (CAS 477886-37-6)
- 1-(4-Aminophenyl)-5-methyl-1H-1,2,4-triazole-3-carboxylic acid (CAS 944279-03-2)
- 2,2,2-Trifluoroethyl 3,4-dihydroquinoline-1(2h)-carboxylate (CAS 1087788-94-0)
- Thiophene-3-carboxamide (CAS 51460-47-0)
- 4,4-Diamino-5,5-dimethyl-2,2-biphenyldisulfonic acid disodium salt (CAS 67027-35-4)
- Peptide 439 (CAS CATO-CPTD788439)
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