Ammonium 3-oxo-3'-(phosphonooxy)-3H-spiro[iSobenzofuran-1,9'-xanthen]-6'-yl phosphate CAS 197777-66-5
| CAS No. | 197777-66-5 |
| Molecular Formula | C20H12O11P2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 508.29 g/mol gives Ammonium 3-oxo-3'-(phosphonooxy)-3H-spiro[iSobenzofuran-1,9'-xanthen]-6'-yl phosphate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Ammonium 3-oxo-3'-(phosphonooxy)-3H-spiro[iSobenzofuran-1,9'-xanthen]-6'-yl phosphate (CAS 197777-66-5), molecular formula C20H12O11P2H4N and molecular weight 508.29 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of Ammonium 3-oxo-3'-(phosphonooxy)-3H-spiro[iSobenzofuran-1,9'-xanthen]-6'-yl phosphate (C20H12O11P2H4N) is characterized by a flavonoid core, an amide group, a phosphate ester group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), Ammonium 3-oxo-3'-(phosphonooxy)-3H-spiro[iSobenzofuran-1,9'-xanthen]-6'-yl phosphate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C20H12O11P2 2*H4N |
| Molecular Weight | 508.29 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) | 13.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2013 |
| Nitrogen Atoms | 1 |
Recommended Standards
- 1-Benzylcyclohexan-1-ol (CAS 1944-01-0)
- 3-(3-Bromopropyl)piperidine hydrobromide (CAS 861021-74-1)
- 2-(Aminomethyl)-5-(difluoromethyl)-6-methoxy-3-(trifluoromethyl)pyridine (CAS 1361699-76-4)
- 1-((4-Chlorophenyl)sulfonyl)piperidine-2-carboxylic acid (CAS 379223-45-7)
- 5-(Pyridin-3-yl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 1368022-31-4)
- 2-(2-((1-(5-Bromothiophen-2-yl)ethyl)amino)ethoxy)ethan-1-ol (CAS 1179297-65-4)
- L-Valine-d8-N-FMOC (CAS 1007834-06-1)
- 4-(((Diethylboraneyl)oxy)methyl)-2-ethyl-1,3,2-dioxaborinane (CAS 58163-61-4)
- Pregabalin Impurity 15 (CAS 1083246-65-4)
- Semaglutide Impurity 176 (CAS CATO-C4X-2226176)
Why CATO?
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