Gadolinium(III) nitrate hexahydrate CAS 19598-90-4
| CAS No. | 19598-90-4 |
| Molecular Formula | Gd |
| 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 Gadolinium(III) nitrate hexahydrate.
Gadolinium(III) nitrate hexahydrate (CAS 19598-90-4), molecular formula GdNO3H2O and molecular weight 237.27 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula GdNO3H2O, Gadolinium(III) nitrate hexahydrate contains an inorganic composition; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 237.27 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
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 | Gd 3*NO3 6*H2O |
| Molecular Weight | 237.27 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Freely soluble in water |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 1 |
Related Gadolinium Standards
- Gadolinium(III) acetate hydrate (CAS 100587-93-7)
- Gadolinium hydroxide hydrate, 99.99% (CAS 100634-91-1)
- Gadolinium(III) chloride solution (CAS 10138-52-0)
- Gadolinium nitrate hydrate, 99.99% (CAS 10168-81-7)
- Gadolinium boride (GdB6), (OC-6-11)- (CAS 12008-06-9)
- Gadolinium(III) oxide (CAS 12064-62-9)
- Gadolinium(III) chloride hexahydrate (CAS 13450-84-5)
- Gadolinium(III) sulfate octahydrate (CAS 13450-87-8)
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