5'-(2H-tetrazol-5-yl)-[1,1':3',1"-terphenyl] -4,4"-dicarboxylic acid CAS 1159596-05-0
| CAS No. | 1159596-05-0 |
| Molecular Formula | C21H14N4O4 |
| Molecular Weight | 386.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5'-(2H-tetrazol-5-yl)-[1,1':3',1"-terphenyl] -4,4"-dicarboxylic acid (CAS 1159596-05-0), molecular formula C21H14N4O4 and molecular weight 386.36 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 5'-(2H-tetrazol-5-yl)-[1,1':3',1"-terphenyl] -4,4"-dicarboxylic acid (C21H14N4O4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 17.0, corresponding to approximately 17 ring(s) or double-bond equivalent(s). With a molecular weight of 386.36 g/mol, it falls into the moderately-high-molecular-weight range. 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 5'-(2H-tetrazol-5-yl)-[1,1':3',1"-terphenyl] -4,4"-dicarboxylic acid 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 | C21H14N4O4 |
| Molecular Weight | 386.36 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°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 |
| Degree of Unsaturation (DBE) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 4 |
Related H Standards
- 2,2'-(4-(4-(1H-Tetrazol-5-yl)phenyl)pyridine-2,6-diyl)dipyrazine (CAS 2409700-91-8)
- 1-(3-(1H-Tetrazol-5-yl)propyl)-4-(benzhydryloxy)piperidine (CAS 162641-16-9)
- 4'-(4-(1H-Tetrazol-5-yl)phenyl)-2,2':6',2''-terpyridine (CAS 1938145-37-9)
- 4-((2H-tetrazol-5-yl)methoxy)-1-tosyl-1H-indole (CAS 439093-61-5)
- 4-(1H-Tetrazol-5-yl)phenol (CAS 51517-88-5)
- ((2'-(5H-tetrazol-5-yl)-[1,1'-biphenyl]-4-yl)methyl)valine (CAS CATO-C3D-262892)
- (3-((2H-Tetrazol-5-yl)methyl)-1H-indol-1-yl)(4-chlorophenyl)methanone (CAS 15992-13-9)
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- 4-Methyl-2-(((1-methyl-1h-pyrazol-5-yl)methyl)amino)pentan-1-ol (CAS 1249424-62-1)
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- N4-[3-(trifluoromethyl)phenyl]-2-chloroisonicotinamide (CAS 680217-42-9)
- Hafnium(IV) triflate hydrate (CAS 161337-67-3)
- 3-Amino-N-methylisoxazole-4-carboxamide (CAS 207913-23-3)
- D-Lys16-Tirzepatide (CAS CATO-CPTD788918)
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