2-(4-Iodophenyl)-3-(4-nitrophenyl)-5-phenyltetrazolium Chloride CAS 146-68-9
| CAS No. | 146-68-9 |
| Molecular Formula | C19H13IN5O2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 505.70 g/mol gives 2-(4-Iodophenyl)-3-(4-nitrophenyl)-5-phenyltetrazolium Chloride distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-(4-Iodophenyl)-3-(4-nitrophenyl)-5-phenyltetrazolium Chloride (CAS 146-68-9), molecular formula C19H13IN5O2Cl and molecular weight 505.70 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C19H13IN5O2Cl, 2-(4-Iodophenyl)-3-(4-nitrophenyl)-5-phenyltetrazolium Chloride contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine/iodine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 505.70 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
CATO manufactures 2-(4-Iodophenyl)-3-(4-nitrophenyl)-5-phenyltetrazolium Chloride under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C19H13IN5O2 Cl |
| Molecular Weight | 505.70 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl/I-containing |
| Nitrogen Atoms | 5 |
Related Iodophenyl Standards
- 2-(4-Iodophenyl)naphthalene (CAS 1001337-33-2)
- 1-(4-Iodophenyl)naphthalene (CAS 1001337-35-4)
- 4-[2-(4-iodophenyl)ethyl]morpholine (CAS 100839-46-1)
- n-(4-Iodophenyl)-5-oxopyrrolidine-2-carboxamide (CAS 1009500-34-8)
- N-(2-Iodophenyl)formamide (CAS 10113-39-0)
- N-(2-iodophenyl)-2-methoxyacetamide (CAS 1017099-56-7)
- 1-(2-Iodophenyl)-N,N-dimethylmethanamine (CAS 10175-33-4)
- 3-(4-Iodophenyl)-1-phenyl-1H-pyrazol-5-amine (CAS 1017781-34-8)
Recommended Standards
- 1-(5,7-dimethyl-[1,2,4]triazolo[4,3-a]pyrimidin-3-yl)-3-methyl-butan-1-amine;dihydrochloride (CAS 1049767-43-2)
- 5-Allyl-1,3-difluoro-2-(isopentyloxy)benzene (CAS 1443310-76-6)
- 1-(2-Aminoethyl)-1H-pyrazole-4-carboxamide (CAS 1221182-21-3)
- Octahydrofuro[3,2-c]pyridine hydrochloride (CAS 1360363-68-3)
- 3-amino-1-ethyl-1,2-dihydropyrazin-2-one (CAS 1343050-71-4)
- 2-[(2,6-Dichlorophenyl)sulfanyl]-4-(4-fluorophenyl)pyridine-3-carbonitrile (CAS 478245-91-9)
- 2-(Aminomethyl)-4-(difluoromethyl)-5-methylpyridine-3-acetonitrile (CAS 1806961-62-5)
- 1-(2,3-Epoxypropyl)-2-nitroimidazole (CAS 13551-90-1)
- Tert-butyl (4-amino-4-(3-chlorophenyl)butyl)carbamate (CAS 1416440-38-4)
- Hexapeptide-10 (CAS 146439-94-3)
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