Dimethyl 2,5-dimethoxyterephthalate CAS 21004-12-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 21004-12-6 |
| Molecular Formula | C12H14O6 |
| Molecular Weight | 254.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Dimethyl 2,5-dimethoxyterephthalate (CAS 21004-12-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H14O6. Molecular weight: 254.24 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C12H14O6 |
| Molecular Weight | 254.24 g/mol |
| Appearance | Off-white to pale 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; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
Related Dimethyl Standards
- Dimethyl 2-Methoxyphenoxymalonate (CAS 150726-89-9)
- Dimethyl 4,5-dimethoxyphthalate (CAS 17078-61-4)
- Dimethyl 2,5-dioxobicyclo[2.2.2]octane-1,4-dicarboxylate (CAS 174685-34-8)
- Dimethyl 2,2-[1,4-phenylenebis(oxy)]diacetate (CAS 80791-19-1)
- Dimethyl 2,5-bis(hydroxymethyl)terephthalate (CAS 2830605-42-8)
- Dimethyl 3,4-dimethoxyphthalate (CAS 32255-87-1)
- Dimethyl 3,5-dimethoxyphthalate (CAS 24953-73-9)
- Dimethyl 3,6-dimethoxyphthalate (CAS 65489-47-6)
Recommended Standards
- Dihydroxyflavone, 6,7-(Rg) (CAS 38183-04-9)
- Diethyl 4,6-dihydroxyisophthalate (CAS 52959-29-2)
- Ethyl 2-(4,6-dimethyl-3-nitro-2-oxopyridin-1(2H)-yl)acetate (CAS 312517-61-6)
- (6-Bromoimidazo[1,2-a]pyridin-3-yl)-N,N-dimethylmethanamine hydrochloride (CAS 1134570-17-4)
- 1-(2,4-Dichlorobenzyl)cyclopropan-1-amine (CAS 869535-65-9)
- 2-(3-Fluorophenyl)azepane (CAS 383130-06-1)
- 4-Cyano-2,3-difluorophenylboronic acid (CAS 2377608-51-8)
- Ethyl 2-(4,5,6,7-tetrahydro-3h-imidazo[4,5-c]pyridin-2-yl)acetate dihydrochloride (CAS 1384264-76-9)
- Gadobutrol Impurity 16 (CAS CATO-C4X-212016)
- Tirzepatide (CAS 2023788-19-2)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com