1,3,5-Tris(3-carboxyl-4-hydroxyphenyl)benzene CAS 111800-21-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 111800-21-6 |
| Molecular Formula | C27H18O9 |
| Molecular Weight | 486.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
1,3,5-Tris(3-carboxyl-4-hydroxyphenyl)benzene (CAS 111800-21-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C27H18O9. Molecular weight: 486.43 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C27H18O9 |
| Molecular Weight | 486.43 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 19.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
Recommended Standards
- 4,4',4''-(Benzene-1,3,5-triyltris(oxy))tribenzoic acid (CAS 1071125-59-1)
- (S)-Tetraethyl (6,6'-dimethoxy-[1,1'-biphenyl]-2,2'-diyl)bis(phosphonate) (CAS 145265-38-9)
- (2R,3R)-2-(3,5-Dihydroxy-4-methoxyphenyl)-5,7-dihydroxychroman-3-yl 3,5-dihydroxy-4-methoxybenzoate (CAS 298700-58-0)
- 2-Cyclopropyl-2-methyl-1,3-dioxolane (CAS 766-24-5)
- 2-(4-Amino-3-(difluoromethyl)-6-iodopyridin-2-yl)acetic acid (CAS 1806792-46-0)
- Allyl Hexanoate (CAS 123-68-2)
- 2-((5-Propyl-4h-1,2,4-triazol-3-yl)thio)acetonitrile (CAS 1211730-35-6)
- Methyl 4-(3-oxomorpholino)benzoate (CAS 720720-59-2)
- 3-Amino-4,4-dimethyloxolan-2-one (CAS 86096-11-9)
- Semaglutide Impurity 183 (CAS 159541-28-3)
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