Gadolinium hydroxide hydrate, 99.99% CAS 100634-91-1
| CAS No. | 100634-91-1 |
| Molecular Formula | H3GdO3 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
Gadolinium hydroxide hydrate, 99.99% (CAS 100634-91-1), molecular formula H3GdO3H2O and molecular weight 226.29 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to an inorganic composition, Gadolinium hydroxide hydrate, 99.99% is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 226.29 g/mol — guide the selection of appropriate sample preparation and analytical techniques.
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.
Physical & Chemical Properties
| Molecular Formula | H3GdO3 H2O |
| Molecular Weight | 226.29 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Freely soluble in water |
| Stability | Hygroscopic; reseal immediately after opening |
| CAS Registry Year (est.) | 1985 |
Related Gadolinium Standards
- Gadolinium(III) acetate hydrate (CAS 100587-93-7)
- 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)
- Gadolinium(III) iodide (CAS 13572-98-0)
Recommended Standards
- 5-(Bromomethyl)-2-ethylpyrimidin-4-amine (CAS 25520-78-9)
- trans-3-Hydroxy-N,N-dimethylcyclobutane-1-carboxamide (CAS 2837904-99-9)
- 4-Bromo-3,5-dimethylpyridine 1-oxide (CAS 70564-92-0)
- 2-Acetoxy-3,4-methoxybenzophenone (CAS 890098-96-1)
- 2-(3-Aminopyrrolidin-1-yl)-N-(sec-butyl)acetamide (CAS 1249552-28-0)
- Mangiferin (CAS 4773-96-0)
- 3-(3,4-Dimethoxyphenyl)-5-(trifluoromethyl)-1H-pyrazole (CAS 845266-33-3)
- Vazegepant Impurity 13 (CAS CATO-C4X-320013)
- (R)-1-(4-Pentylphenyl)ethan-1-amine (CAS 1212392-82-9)
- Liraglutide Impurity 21 TFA Salt (CAS CATO-C4X-199221)
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