Testosterone Impurity 2 CAS 89635-04-1
| CAS No. | 89635-04-1 |
| Molecular Formula | C30H46O3 |
| Molecular Weight | 454.68 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Structurally, Testosterone Impurity 2 (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 presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
CATO supplies Testosterone Impurity 2 (CAS 89635-04-1), a pharmacopoeial impurity reference standard (molecular formula C30H46O3, MW 454.68 g/mol) used for the identification and quantification of trace impurities in APIs.
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.
As a certified reference material (CRM), Testosterone Impurity 2 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 | C30H46O3 |
| Molecular Weight | 454.68 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| 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.) | 1982 |
Related Testosterone Standards
- Testosterone Decanoate EP Impurity D (CAS 29430-26-0)
- 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)
Recommended Standards
- Calcipotriol Impurity 38 (CAS CATO-C4X-122238)
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- Dotinurad Impurity 220 (CAS CATO-C4X-2494220)
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- Formoterol EP Impurity A (Trifluoroacetic Acid) (CAS CATO-C4X-152533)
- 1-Bromo-4-(2,2-difluoro-1-methylcyclopropyl)benzene (CAS 2138083-44-8)
- N-Fmoc-4-ethynyl-L-phenylalanine (CAS 1228049-41-9)
- (4-Chlorophenyl)(4-(4-(dimethylamino)phenyl)-1-methylpyrrolidin-3-yl)methanone (CAS 478050-07-6)
- 4-(4-(Pyrrolidin-1-yl)benzyl)aniline (CAS 54968-02-4)
- 2,6-Dichloronitrobenzene (CAS 601-88-7)
- Ethyl 1,4-dihydro-5-methyl-4-oxo-2-(2-pyridinylmethyl)thieno[2,3-d]pyrimidine-6-carboxylate (CAS 731778-58-8)
- Semaglutide impurity 88 (CAS CATO-C4X-222688)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com