Dimethyl 4,4’-Oxalyldibenzoate CAS 66553-02-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 66553-02-4 |
| Molecular Formula | C18H14O6 |
| Molecular Weight | 326.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Dimethyl 4,4’-Oxalyldibenzoate (CAS 66553-02-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H14O6. Molecular weight: 326.30 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C18H14O6 |
| Molecular Weight | 326.30 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1976 |
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Recommended Standards
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- 2-(4-(Methylsulfonyl)phenyl)morpholine (CAS 1097797-22-2)
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- 1-[2-(morpholin-4-yl)ethyl]pyrrolidin-3-amine trihydrochloride (CAS 1337880-81-5)
- 2-Methyl-4-(5-phenyloxazol-2-yl)quinolin-3-ol (CAS 112008-63-6)
- Semaglutide Impurity 142 (CAS CATO-C4X-2226142)
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