Di(prop-2-yn-1-yl) terephthalate CAS 4631-69-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 4631-69-0 |
| Molecular Formula | C14H10O4 |
| Molecular Weight | 242.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Di(prop-2-yn-1-yl) terephthalate (CAS 4631-69-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C14H10O4. Molecular weight: 242.23 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
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.) | 1958 |
Related Di Standards
- 2,5-Bis(prop-2-yn-1-yloxy)terephthalaldehyde (CAS 1538579-23-5)
- 4-(Prop-2-en-1-ylsulfanyl)-[1,2,4]triazolo[4,3-a]quinoxaline (CAS 338420-34-1)
- 3-(Prop-1-yn-1-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine (CAS 1231934-45-4)
- 3-[(prop-2-en-1-yl)sulfamoyl]benzoic acid (CAS 500292-31-9)
- 4-[(prop-2-en-1-yl)sulfamoyl]benzoic acid (CAS 790271-03-3)
- 2,4,6-Tris(prop-2-yn-1-yloxy)-1,3,5-triazine (CAS 15911-93-0)
- 4-(Prop-2-yn-1-yloxy)-2-(trifluoromethyl)benzoic acid (CAS 1275293-72-5)
- 3-(Prop-2-yn-1-ylthio)-5H-[1,2,4]triazino[5,6-b]indole (CAS 332110-23-3)
Recommended Standards
- Butyl (3,5-dioxo-2,3,4,5-tetrahydro-1,2,4-triazin-6-yl)glycinate (CAS 307524-88-5)
- Diethyl 2-(5-oxodihydrofuran-2(3H)-ylidene)malonate (CAS 85152-95-0)
- Biphenyldicarboxylic acid (CAS 27479-68-1)
- 3-Ethyl-5,8-dimethylquinolin-2-amine (CAS 948292-52-2)
- 4-Amino-2-butanone Hydrochloride (CAS 92901-20-7)
- 4-(3-Methylcyclohexylidene)-2-phenyloxazol-5(4H)-one (CAS 31882-39-0)
- trans-2-(3-Fluoro-4-methylphenyl)cyclohexanol (CAS 857872-81-2)
- 1-Benzyl 5-methyl (2S)-2-{[(benzyloxy)carbonyl]amino}pentanedioate (CAS 105299-31-8)
- 1-(3-Fluoro-2-methylbenzyl)piperidin-4-amine dihydrochloride (CAS 1286274-90-5)
- Semaglutide impurity 229 (CAS CATO-C4X-2226229)
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