Triiodothyronine-[13C6] hydrochloride (L-Liothyronine; T3) CAS 1217473-60-3
| CAS No. | 1217473-60-3 |
| Molecular Formula | C9[13C]6H13ClI3NO4 |
| Molecular Weight | 693.39 g/mol |
| 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 Triiodothyronine-[13C6] hydrochloride (L-Liothyronine; T3).
Triiodothyronine-[13C6] hydrochloride (L-Liothyronine; T3) (CAS 1217473-60-3), molecular formula C9[13C]6H13ClI3NO4 and molecular weight 693.39 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine/iodine substitution, Triiodothyronine-[13C6] hydrochloride (L-Liothyronine; T3) is typically white to pale yellow amorphous powder. Its solid-state physicochemical attributes — including a molecular weight of 693.39 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
As a certified reference material (CRM), Triiodothyronine-[13C6] hydrochloride (L-Liothyronine; T3) 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 | C9[13C]6H13ClI3NO4 |
| Molecular Weight | 693.39 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl/I-containing |
| Nitrogen Atoms | 1 |
Related Triiodothyronine Standards
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- Ethyl (2E)-4,4,4-trifluoro-3-[(4-methylphenyl)formamido]but-2-enoate (CAS 400087-75-4)
- Insulin Degludec Impurity 24 (CAS CATO-C4X-215724)
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