4,4’-Oxalyldibenzonitrile CAS 92967-67-4
| CAS No. | 92967-67-4 |
| Molecular Formula | C16H8N2O2 |
| Molecular Weight | 260.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 4,4’-Oxalyldibenzonitrile meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
4,4’-Oxalyldibenzonitrile (CAS 92967-67-4), molecular formula C16H8N2O2 and molecular weight 260.25 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4,4’-Oxalyldibenzonitrile (C16H8N2O2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 260.25 g/mol, it falls into the medium-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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C16H8N2O2 |
| Molecular Weight | 260.25 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1983 |
| Nitrogen Atoms | 2 |
Recommended Standards
- 4-(4,6-Dimethoxypyrimidin-2-yl)benzoic acid (CAS 386715-40-8)
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- 4-((4,6-Dimethoxypyrimidin-2-yl)oxy)benzaldehyde (CAS 491871-36-4)
- 5-(3,5-Dimethyl-1H-pyrazol-4-yl)isophthalic acid (CAS 2717623-84-0)
- (S)-1-(2-(Pyrrolidin-1-yl)phenyl)ethan-1-ol (CAS 1344923-77-8)
- Ethyl 6-fluoroisoquinoline-3-carboxylate (CAS 1822846-09-2)
- Methyl 2-(4-benzyl-3,4-dihydro-2H-benzo[b][1,4]oxazin-3-yl)acetate (CAS 861212-96-6)
- N-Benzyl-3-oxobutanamide (CAS 882-36-0)
- Tris(3,5-di-tert-butylphenyl)phosphane (CAS 189756-42-1)
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- 4-Isocyanato-2-methyl-1-nitrobenzene (CAS 56021-25-1)
- Methyl 2,2,4,4-tetramethyloxazolidine-3-carboxylate (CAS 936493-29-7)
- Palmitoyl hexapeptide-6 (CAS 891498-01-4)
Why CATO?
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