Levothyroxine EP Impurity H CAS 2055-97-2
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 2055-97-2 |
| Molecular Formula | C13H6I4O4 |
| Molecular Weight | 733.80 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
High-purity Levothyroxine EP Impurity H (CAS 2055-97-2) pharmacopoeial impurity standards reference standard. Molecular formula: C13H6I4O4. Molecular weight: 733.80 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C13H6I4O4 |
| Molecular Weight | 733.80 g/mol |
| Purity | >95% |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | I-containing |
Related Levothyroxine Standards
- Levothyroxine lmpurity 45 (CAS CATO-C4X-167845)
- Levothyroxine Impurity 26 (CAS 176258-88-1)
- Levothyroxine Impurity 20 (CAS 2230724-39-5)
- Levothyroxine Impurity 41 (CAS 2055-94-9)
- Levothyroxine EP Impurity D (CAS 67-30-1)
- Levothyroxine Impurity 44 (CAS 176258-89-2)
- Levothyroxine EP Impurity I (CAS 2016-06-0)
- Levothyroxine Related Compound (CAS 93647-48-4)
Recommended Standards
- N-[(1S)-1-[3',5'-Bis(1,1-dimethylethyl)[1,1'-biphenyl]-2-yl]-2-(diphenylphosphino)ethyl]-3,5-bis(trifluoromethyl)-benzamide (CAS 2089424-11-1)
- Methyl 4-((2S,3S)-3-((S)-2-((tert-butoxycarbonyl)(methyl)amino)propanamido)-8-cyano-5-((2-methoxynaphthalen-1-yl)methyl)-2-methyl-4-oxo-2,3,4,5-tetrahydro-1H-benzo[b][1,4]diazepine-1-carbonyl)benzoate (CAS 2158322-16-6)
- Mal-amido-PEG9-NHS ester (CAS 2575631-92-2)
- Fosaprepitant Impurity 24 (CAS CATO-C4X-116824)
- Bromfenac Impurity 48 (CAS CATO-C4X-200248)
- 2-(3,5-Dichlorobenzyl)piperazine (CAS 907971-77-1)
- tert-Butyl 7-(aminomethyl)-6,7-dihydropyrazolo[1,5-a]pyrazine-5(4H)-carboxylate (CAS 1823417-79-3)
- 1-Cbz-pyrrolidine-2-carboxamide (CAS 93188-01-3)
- 0256AD 1185296-13-2 3-(3-Amino-propyl)-3H-benzooxazol-2-one hydrochloride C10H13ClN2O2 (CAS 1185296-13-2)
- Neuropeptide Y (3-36) (porcine) trifluoroacetate salt (CAS 143863-88-1)
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