Toremifene impurity 10 TFA CAS CATO-C4X-139710
| CAS No. | CATO-C4X-139710 |
| Molecular Formula | C26H26ClNO |
| Molecular Weight | N/A |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Toremifene impurity 10 TFA (CAS CATO-C4X-139710) is a certified pharmaceutical impurity reference standard with the molecular formula C26H26ClNOC2HF3O2 and a molecular weight of 517.97 g/mol.
Structurally, Toremifene impurity 10 TFA (C26H26ClNOC2HF3O2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 517.97 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for quantitative analysis by HPLC, GC, LC-MS/MS, or GC-MS as an external calibration standard; it can also be used for spiked-recovery experiments, LOD/LOQ determination, and LC-MS/MS multiple-reaction-monitoring (MRM) calibration.
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 | C26H26ClNO C2HF3O2 |
| Molecular Weight | 517.97 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 1 |
Related Toremifene Standards
- Toremifene N-Oxide (CAS 163130-29-8)
- Toremifene Impurity 3 (CAS 1798421-30-3)
- Toremifene impurity 7 (CAS 604010-60-8)
- Toremifene impurity 5 (CAS 89778-23-4)
- Toremifene impurity 01 (CAS 89778-26-7)
- Toremifene (CAS 89778-27-8)
- Toremifene impurity 8 (CAS 89778-29-0)
- Toremifene impurity 9 Citrate (CAS 89778-29-0 (free base))
Recommended Standards
- Entacapone Impurity 2 (CAS 150995-46-3)
- Capivasertib Impurity 43 (CAS CATO-C4X-331243)
- Telmisartan Impurity 61 (CAS 2208-08-4)
- PI 1840 (CAS 1401223-22-0)
- (3-Methyl-1,2,4-oxadiazol-5-yl)methanamine hydrochloride (CAS 253196-36-0)
- H-Val-Tyr-Val-OH TFA salt (CAS 17355-22-5(Free Base))
- 4,4-Dimethylpentanoic acid (CAS 1118-47-4)
- (4-Bromobutoxy)trimethylsilane (CAS 18292-36-9)
- (6-nitroimidazo[1,2-a]pyridin-8-yl)(phenyl)methanone (CAS 929972-27-0)
- Semaglutide (CAS CATO-C4X-2226105)
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