Dimethyl 2,5-diethynylterephthalic acid CAS 944458-59-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 944458-59-7 |
| Molecular Formula | C14H10O4 |
| Molecular Weight | 242.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Dimethyl 2,5-diethynylterephthalic acid (CAS 944458-59-7) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C14H10O4. Molecular weight: 242.23 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C14H10O4 |
| Molecular Weight | 242.23 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
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Recommended Standards
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- 1-Phenyl-1H-pyrazole-3-carboxylic acid (CAS 4747-46-0)
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- N-Octylcyclohexanamine hydrobromide (CAS 22643-14-7)
- Disodium 4,4'-Diisothiocyanato-2,2'-stilbenedisulfonate (CAS 67483-13-0)
- Liraglutide (13-21) TFA Salt (CAS CATO-C4X-19928)
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