Testosterone Decanoate EP Impurity D CAS 29430-26-0
| CAS No. | 29430-26-0 |
| Molecular Formula | C30H46O3 |
| Molecular Weight | 454.68 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| 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 Testosterone Decanoate EP Impurity D.
CATO supplies Testosterone Decanoate EP Impurity D (CAS 29430-26-0), a pharmacopoeial impurity reference standard (molecular formula C30H46O3, MW 454.68 g/mol) used for the identification and quantification of trace impurities in APIs.
Structurally, Testosterone Decanoate EP Impurity D (C30H46O3) contains a steroid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 454.68 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard supports related-substances testing and method development in line with ICH Q3A/Q3B guidance on impurity control, and is suitable for system suitability testing and forced-degradation studies.
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 | C30H46O3 |
| Molecular Weight | 454.68 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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 |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1965 |
Related Testosterone Standards
- Testosterone Impurity 2 (CAS 89635-04-1)
- Testosterone Impurity 39 (CAS 7219-21-8)
- Testosterone Impurity 4 (CAS CATO-C4X-24324)
- delta-9,11-Testosterone Undecanoate (CAS 2241819-49-6)
- Testosterone Impurity 5 (CAS CATO-C4X-24325)
- Testosterone Buciclate (CAS 105165-22-8)
- Testosterone Impurity 1 (CAS 2763446-42-8)
- Testosterone Impurity 71 (CAS CATO-C4X-243271)
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Why CATO?
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