4-Ethynylphthalonitrile CAS 99276-98-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 99276-98-9 |
| Molecular Formula | C10H4N2 |
| Molecular Weight | 152.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Ethynylphthalonitrile (CAS 99276-98-9) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C10H4N2. Molecular weight: 152.15 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C10H4N2 |
| Molecular Weight | 152.15 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 2 |
Recommended Standards
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- 4-Aminonicotinohydrazide (CAS 89533-20-0)
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- 2-(Methylthio)ethyl methacrylate (CAS 14216-23-0)
- Koenimbine (CAS 21087-98-9)
- 2-(4-Iodo-1H-pyrazol-1-yl)propanamide (CAS 1215295-81-0)
- 6-Bromo-3-(difluoromethyl)-5-(hydroxymethyl)picolinonitrile (CAS 1806053-77-9)
- 2-((6-Methyl-4-phenylquinazolin-2-yl)thio)acetamide (CAS 1447960-59-9)
- Des-Ser39-Tirzepatide (CAS CATO-CPTD788936)
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