2,2',3,3'-Oxydiphthalicacid CAS 50662-94-7
| CAS No. | 50662-94-7 |
| Molecular Formula | C16H10O9 |
| Molecular Weight | 346.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 346.25 g/mol gives 2,2',3,3'-Oxydiphthalicacid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2,2',3,3'-Oxydiphthalicacid (CAS 50662-94-7), molecular formula C16H10O9 and molecular weight 346.25 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2,2',3,3'-Oxydiphthalicacid (C16H10O9) contains a flavonoid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 346.25 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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), 2,2',3,3'-Oxydiphthalicacid 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 | C16H10O9 |
| Molecular Weight | 346.25 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1971 |
Recommended Standards
- 2-(2-Methoxycarbonyl-4-nitrophenyl)-5-nitrobenzoic acid (CAS 710327-97-2)
- 2-Chloro-5-(diethylsulfamoyl)benzene-1-sulfonyl chloride (CAS 954262-82-9)
- 2-(2-(2,4-Dinitrophenyl)hydrazine-1-carbonyl)benzoic acid (CAS 95980-68-0)
- 3-(2,4-Dichlorophenyl)-5-methyl-1,6-diazatricyclo[6.2.2.0^{2,7}]dodeca-2(7),4-diene-4-carbonitrile (CAS 866134-70-5)
- (2-Chloropyridin-4-yl)(3-methylpiperidin-1-yl)methanone (CAS 1019466-21-7)
- N-butyl-5-nitropyrimidin-2-amine (CAS 859207-11-7)
- 2-(2-Amino-3-nitrophenyl)ethanol (CAS 95067-35-9)
- Nataloe-Emodin (CAS 478-46-6)
- 3-Bromo-5-fluoro-2-nitroaniline (CAS 1350117-42-8)
- Lurasidone Impurity 63 (CAS CATO-C4X-102863)
- 6-((4,5-Dihydro-1H-imidazol-2-yl)amino)hexanoic acid hydrochloride (CAS 1185300-83-7)
- 2-(perfluorophenyl)acetaldehyde (CAS 28520-18-5)
- 1-[3-(Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]-3-(trichloroacetyl)urea (CAS 2377612-05-8)
- Valosin Peptide (VQY), porcine (CAS 99510-37-9)
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