Dutasteride impurity A(C4X-16451) CAS 103335-55-3
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 103335-55-3 |
| Molecular Formula | C19H29NO3 |
| Molecular Weight | 319.44 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Dutasteride impurity A(C4X-16451) (CAS 103335-55-3) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C19H29NO3. Molecular weight: 319.44 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C19H29NO3 |
| Molecular Weight | 319.44 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°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 |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Nitrogen Atoms | 1 |
Related Dutasteride Standards
- Dutasteride Impurity 16 (CAS 1430804-94-6)
- Dutasteride Impurity 28 (CAS CATO-C4X-110328)
- Dutasteride Impurity 29 (CAS CATO-C4X-110329)
- Dutasteride Impurity 30 (CAS CATO-C4X-110330)
- Dutasteride EP Impurity A (CAS 104239-97-6)
- Dutasteride Impurity 31 (CAS CATO-C4X-110331)
- Dutasteride Impurity 24 (CAS CATO-C4X-110324)
- Dutasteride EP Impurity B (CAS 2512195-98-9)
Recommended Standards
- 913548-29-5 4HA03Q8EZ9 AR-9281 UNII-4HA03Q8EZ9 1-(1-Acetyl-piperidin-4-yl)-3-adamantan-1-yl-urea Urea, N-(1-acetyl-4-piperidinyl)-N'-tricyclo(3.3.1.13,7)dec-1-yl- Apau (enzyme inhibitor) 4-Piperidinamine, 1-acetyl-N-((tricycle(3.3.1.13,7)dec-1-ylamino)carbonyl)- J3.137.087F 1-(Adamantane-1-yl)-3-(1-acetylpiperidine-4-yl)urea (CAS 913548-29-5)
- Tetrabenazine Related Impurity 8 (2R, 3R, 11bS) (CAS 862377-29-5)
- Tetrabenazine Impurity 18 (CAS 862377-31-9)
- Avanafil Impurity 79 (CAS 330785-82-5)
- Nintedanib Impurity 91 (CAS CATO-C4X-181491)
- (2Z)-2-[(Thiophen-2-yl)methylidene]-1-azabicyclo[2.2.2]octan-3-ol (CAS 929256-69-9)
- Phentolamine Impurity 24 (CAS CATO-C4X-224724)
- H-D-Glu-OMe (CAS 26566-13-2)
- ethyl 2-({N’-[(tert-butoxy)carbonyl]hydrazinecarbonyl}amino)acetate (CAS 112550-61-5)
- Tau Peptide (245-274) (Repeat 1 Domain) trifluoroacetate salt (CAS 1428134-39-7)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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