5-Chloro-1-(4-chlorophenyl)-1H-tetrazole CAS 7025-12-9
| CAS No. | 7025-12-9 |
| Molecular Formula | C7H4Cl2N4 |
| Molecular Weight | 215.04 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 215.04 g/mol gives 5-Chloro-1-(4-chlorophenyl)-1H-tetrazole distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
5-Chloro-1-(4-chlorophenyl)-1H-tetrazole (CAS 7025-12-9), molecular formula C7H4Cl2N4 and molecular weight 215.04 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H4Cl2N4, 5-Chloro-1-(4-chlorophenyl)-1H-tetrazole contains a nitrile group, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 215.04 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C7H4Cl2N4 |
| Molecular Weight | 215.04 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 DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1959 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related Chloro Standards
- 5-Chloro-3-(2-chlorophenyl)-1,2,4-oxadiazole (CAS 1178490-41-9)
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- 5-chloro-3-(3-chlorophenyl)-1,2,4-oxadiazole (CAS 26925-40-6)
- 5-chloro-3-(4-chlorophenyl)-1,2,4-oxadiazole (CAS 26903-92-4)
- 4-chloro-1-methyl-1H-pyrazole-5-sulfonyl chloride (CAS 1245807-31-1)
- 5-Chloro-1-methyl-1H-imidazole-4-sulfonyl chloride (CAS 137048-96-5)
- 2-Chloro-1-methyl-1H-imidazole-4-sulfonyl chloride (CAS 1394040-91-5)
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Recommended Standards
- 5-Bromo-4-methylbenzo[d][1,3]dioxole (CAS 72744-51-5)
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- 6,7-Dichloroquinoxalin-2(1H)-one (CAS 78470-95-8)
- Potassium (3,5-dibromophenyl)trifluoroborate (CAS 929626-21-1)
- 1,5-Diamino-4-chloroanthracene-9,10-dione (CAS 86965-31-3)
- 3-(4-methoxypyridin-3-yl)-1,2-dihydroisoquinolin-1-one (CAS 1803610-63-0)
- 2-((3,4-Dimethylphenoxy)methyl)-1H-benzo[d]imidazole (CAS 82326-46-3)
- Spiro[2.3]hexan-1-amine hydrochloride (CAS 17202-61-8)
- tert-Butyl 3-(piperidin-3-yl)indoline-1-carboxylate oxalate (CAS 1956310-16-9)
- N-(4-chlorobenzyl)-5-propyl-1,3,4-thiadiazol-2-amine (CAS 609823-03-2)
- 4-((6-(4-Chlorophenyl)pyrimidin-4-yl)oxy)benzoic acid (CAS 1713174-06-1)
- 7-(3-((tert-Butoxycarbonyl)amino)pyrrolidin-1-yl)-8-chloro-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (CAS 105956-96-5)
- Semaglutide Impurity 138 (CAS CATO-C4X-2226138)
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