Trigallic Acid CAS 2131-66-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2131-66-0 |
| Molecular Formula | C21H14O13 |
| Molecular Weight | 474.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Trigallic Acid (CAS 2131-66-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C21H14O13. Molecular weight: 474.33 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C21H14O13 |
| Molecular Weight | 474.33 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Recommended Standards
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- 2-Chloro-N-((4-chloro-3-(5-methylbenzo[d]oxazol-2-yl)phenyl)carbamothioyl)-4-fluorobenzamide (CAS 593238-55-2)
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- 2-Amino-2-(1-methyl-1H-benzo[d]imidazol-2-yl)acetamide (CAS 787519-96-4)
- 1-(2-Bromoethyl)-1H-imidazole (CAS 94614-83-2)
- Ethyl 7-hydroxy-6-methyl-1H-pyrrolo[3,4-c]pyridine-2(3H)-carboxylate (CAS 806645-88-5)
- 4-[4-(Methanesulfonyloxy)-1-butynyl]-a,a-di(methyl-d3)benzeneacetic Acid, Methyl Ester (CAS 1020719-58-7)
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- Semaglutide impurity 43 (CAS CATO-C4X-222643)
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