17alpha-Ethynylestradiol-2,4,16,16-d4 CAS 350820-06-3
Purity >95%In StockPharmaceutical Standards
| CAS No. | 350820-06-3 |
| Molecular Formula | C20H20D4O2 |
| Molecular Weight | 300.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 17alpha-Ethynylestradiol-2,4,16,16-d4 (CAS 350820-06-3) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C20H20D4O2. Molecular weight: 300.43 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C20H20D4O2 |
| Molecular Weight | 300.43 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
Related alpha Standards
Recommended Standards
- Bempedoic Acid Impurity 30 (CAS CATO-C4X-218930)
- 1-Phenyl-N-[2-(piperidin-1-yl)ethyl]cyclopentane-1-carboxamide (CAS 1024183-04-7)
- Monomyristolein (CAS 56399-71-4)
- 4-Amino-5-methyl-2,3-dihydroisoindol-1-one (CAS 348165-76-4)
- N-methyl-1-(morpholin-3-yl)methanamine (CAS 1484240-57-4)
- 5-(tert-Butyl)-1-methyl-1H-imidazol-2-amine (CAS 1782050-47-8)
- Ethyl 2-(1-amino-2-methylcyclopentyl)acetate (CAS 1522187-47-8)
- N,N'-(9,10-dioxo-9,10-dihydroanthracene-1,4-diyl)bis(2,2,2-trifluoroacetamide) (CAS 341966-12-9)
- tert-Butyl 4-(4-((methylamino)methyl)thiazol-2-yl)piperidine-1-carboxylate (CAS 869901-03-1)
- Semaglutide Impurity 128 (CAS 2490269-78-6)
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 13829788188 / jacky.chen@cato-chem.com