17-epi-Nandrolone (1.0mg/ml in Acetonitrile) CAS 20708-81-0
| CAS No. | 20708-81-0 |
| Molecular Formula | C18H26O2 |
| Molecular Weight | 274.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 17-epi-Nandrolone (1.0mg/ml in Acetonitrile) (C18H26O2) contains a steroid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 274.40 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
17-epi-Nandrolone (1.0mg/ml in Acetonitrile) (CAS 20708-81-0), molecular formula C18H26O2 and molecular weight 274.40 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 17-epi-Nandrolone (1.0mg/ml in Acetonitrile) 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 | C18H26O2 |
| Molecular Weight | 274.40 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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.) | 1962 |
Related epi Standards
- 13C2-17β-Nandrolone (CAS 82952-73-6)
- Nandrolone acetate (CAS 1425-10-1)
- Nandrolone Hemisuccinate (CAS 6785-62-2)
- Nandrolone Benzoate (1.0mg/ml in Acetonitrile) (CAS 1474-55-1)
- Nandrolone Phenylpropionate (CAS 62-90-8)
- Nandrolone Cycloate (CAS 22263-51-0)
- Nandrolone Decanoate EP Impurity B (CAS 1042947-85-2)
- Nandrolone 17β-Undecanoate (1.0mg/ml in Acetonitrile) (CAS 862-89-5)
Recommended Standards
- 1,3-Dimorpholinopropane-1,3-dithione (CAS 27759-71-3)
- 1'-Benzyl-[1,4'-bipiperidin]-3-ol (CAS 361372-39-6)
- 1,3-Bis(phenylthio)propan-2-one (CAS 35737-59-8)
- 1-Benzyl-N-((tetrahydrofuran-2-yl)methyl)piperidin-4-amine (CAS 765924-14-9)
- 2-Chloro-4-cyclopropoxy-3-iodopyridine (CAS 1243360-33-9)
- 5,10,15,20-Tetrakis(5-bromothiophen-2-yl)porphyrin (CAS 852982-57-1)
- 4-(7-Chloro-1-isopropyl-1H-benzo[d]imidazol-2-yl)butanoic acid (CAS 1183464-41-6)
- 4-(3-(Trifluoromethyl)-3H-diazirin-3-yl)benzoic acid (CAS 85559-46-2)
- 2-({2-[2-(4-methylphenyl)-1,3-thiazol-4-yl]ethyl}amino)-5-nitrobenzaldehyde (CAS 861211-12-3)
- Ethyl 6-methyl-1,4,5,6-tetrahydropyridazine-3-carboxylate (CAS 409321-36-4)
- GSK2334470 (CAS 1227911-45-6)
- 4-Iodo-1-(1,4-dioxaspiro[4.5]Decan-8-yl)-1H-pyrazole (CAS 1175275-29-2)
- 1-(3,4-Dichlorophenyl)-4,5-dihydro-1H-pyrazol-3-amine, >97% (CAS 66000-42-8)
- Peptide 441 (CAS CATO-CPTD788441)
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