Lithium iodide trihydrate CAS 7790-22-9
| CAS No. | 7790-22-9 |
| Molecular Formula | ILi |
| 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 Lithium iodide trihydrate.
Lithium iodide trihydrate (CAS 7790-22-9), molecular formula ILiH2O and molecular weight 151.86 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of Lithium iodide trihydrate (ILiH2O) is characterized by a salt form, iodine substitution. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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 | ILi H2O |
| Molecular Weight | 151.86 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Freely soluble in water |
| Stability | Stable under recommended storage conditions |
| CAS Registry Year (est.) | 1959 |
| Halogen Content | I-containing |
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Recommended Standards
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- 4-Bromo-6-chloropicolinaldehyde (CAS 1060811-63-3)
- Benzyl 1,5-diazaspiro[3.5]nonane-1-carboxylate (CAS 1334499-59-0)
- 4-[2-(dimethylamino)ethyl]benzoic acid hydrochloride (CAS 148127-06-4)
- 2-Bromo-4-iodo-5-methylpyridine (CAS 1227577-26-5)
- 3-Chlorotetrahydropyran-4-one (CAS 160427-98-5)
- [D-Ser6]-Semaglutide (CAS CATO-C4X-2226287)
Why CATO?
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