Praseodymium(III) oxalate xhydrate CAS 28877-86-3
| CAS No. | 28877-86-3 |
| Molecular Formula | C6O12Pr2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Praseodymium(III) oxalate xhydrate.
Praseodymium(III) oxalate xhydrate (CAS 28877-86-3), molecular formula C6O12Pr2H2O and molecular weight 563.89 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C6O12Pr2H2O, Praseodymium(III) oxalate xhydrate contains a carbohydrate-derived structure; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 563.89 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C6O12Pr2 H2O |
| Molecular Weight | 563.89 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1965 |
Related Praseodymium Standards
- Praseodymium(III) Chloride Heptahydrate (CAS 10025-90-8)
- Praseodymium sulfate (CAS 10277-44-8)
- Praseodymium(III) chloride (CAS 10361-79-2)
- Praseodymium(III) oxide (CAS 12036-32-7)
- Praseodymium oxide(III,IV) (CAS 12037-29-5)
- Praseodymium sulfide (Pr2S3) (CAS 12038-13-0)
- Praseodymium(III) perchlorate (CAS 13498-07-2)
- Praseodymium(III) bromide (CAS 13536-53-3)
Recommended Standards
- Encainide Hydrochloride (CAS 66794-74-9)
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- 5-Chloro-2-nitrobenzonitrile (CAS 34662-31-2)
- 2-Cyano-3-[1-(2-cyanoethyl)-3-[4-(difluoromethoxy)-3-methoxyphenyl]-1h-pyrazol-4-yl]prop-2-enoic acid (CAS 956374-01-9)
- Vernakalant Impurity 7 (CAS 795282-27-8)
- Methyl 2-(azetidin-3-yloxy)benzoate hydrochloride (CAS 1956376-48-9)
- (R)-4-(tert-butoxy)-2-((1-methyl-6-oxo-1,6-dihydropyridin-2-yl)methyl)-4-oxobutanoic acid (CAS 2426657-69-2)
- N1-(1-Phenylethyl)benzene-1,2-diamine (CAS 1039987-39-7)
- 5-(3,4-Dimethoxyphenyl)furan-2-carboxylic Acid (CAS 1432061-01-2)
- [D-His]-Semaglutide B (x TFA Salt) (CAS CATO-C4X-2226117)
Why CATO?
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