Bis(4-aminophenyl) terephthalate CAS 16926-73-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 16926-73-1 |
| Molecular Formula | C20H16N2O4 |
| Molecular Weight | 348.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Bis(4-aminophenyl) terephthalate (CAS 16926-73-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C20H16N2O4. Molecular weight: 348.35 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C20H16N2O4 |
| Molecular Weight | 348.35 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 DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
| Nitrogen Atoms | 2 |
Related Bis Standards
- 4-((4-((4-Aminophenyl)sulfonyl)phenyl)amino)-4-oxobutanoic acid (CAS 5934-14-5)
- (4-Aminophenyl)(4-(4-(trifluoromethyl)phenyl)piperazin-1-yl)methanone (CAS 885949-76-8)
- 2-((4-Aminophenyl)sulfonamido)benzo[d]thiazole-6-carboxylic acid (CAS 854060-37-0)
- Ethyl 3-((2-aminophenyl)thio)-5-chloro-1H-indole-2-carboxylate (CAS 206256-24-8)
- N-(3-Aminophenyl)-N-(4-methoxybenzyl)-4-methylbenzamide (CAS 305851-23-4)
- (4-(4-Aminophenyl)piperazin-1-yl)(5-chloro-2-methoxyphenyl)methanone (CAS 892693-46-8)
- 2-[(4-Aminophenyl)thio]-N-(2-bromophenyl)-propanamide (CAS 913246-00-1)
- n-(2-((4-Aminophenyl)amino)-4'-methyl-[4,5'-bithiazol]-2'-yl)acetamide (CAS 315705-86-3)
Recommended Standards
- 2,5-Bis(methoxycarbonyl)-3,4-diphenylcyclopentadienone (CAS 16691-79-5)
- 2,3-Bis(bromomethyl)-1,4-dimethoxybenzene (CAS 19164-83-1)
- 1,6-Diaminohexane-<I>N</I>,<I>N</I>,<I>N</I>′,<I>N</I>′-tetraacetic acid (CAS 1633-00-7)
- (5-Bromopyridin-3-yl)(piperazin-1-yl)methanone (CAS 1017782-91-0)
- 6-Bromo-5-methylnicotinamide (CAS 2091012-51-8)
- Formetanate-d6, Hydrochloride (CAS 1185240-24-7)
- Ethyl 1-(4-(trifluoromethyl)pyrimidin-2-yl)piperidine-4-carboxylate (CAS 215654-84-5)
- 4-Hydroxy-3-methyl-1h-pyrazole-5-carboxylic acid (CAS 1346270-06-1)
- 3-Methoxy-6-(thiophen-2-yl)pyridazine (CAS 68206-17-7)
- Semaglutide impurity 88 (CAS CATO-C4X-222688)
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