(17β)-3,17-Bis[(tetrahydro-2H-pyran-2-yl)oxy]-estra-1,3,5(10)-trien-6-one CAS 53573-82-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 53573-82-3 |
| Molecular Formula | C28H38O5 |
| Molecular Weight | 454.60 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies (17β)-3,17-Bis[(tetrahydro-2H-pyran-2-yl)oxy]-estra-1,3,5(10)-trien-6-one (CAS 53573-82-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C28H38O5. Molecular weight: 454.60 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C28H38O5 |
| Molecular Weight | 454.60 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
Related Bis Standards
- (17β)-3,17-Bis[(tetrahydro-2H-pyran-2-yl)oxy]-estra-1,3,5(10)-trien-6-ol (Mixture of Diasteromers) (CAS 122566-22-7)
- 2,5-Bis((2,3,6,7-tetrahydro-1H,5H-pyrido[3,2,1-ij]quinolin-9-yl)methylene)cyclopentan-1-one (CAS 125594-50-5)
- 3β,5β-Tetrahydro Cortisone 3,21-Diacetate (CAS 4003-93-4)
- (11aS)-10,11,12,13-Tetrahydro-5-hydroxy-3,7-diphenyl-diindeno[7,1-de:1',7'-fg][1,3,2]dioxaphosphocin (CAS 1258327-04-6)
- (11aR)-10,11,12,13-Tetrahydro-5-hydroxy-3,7-diphenyl-diindeno[7,1-de:1,7-fg][1,3,2]dioxaphosphocin (CAS 1297613-72-9)
- 2,3,6,7-Tetrahydro-4'-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-spiro[4H-azepine-4,2'-[2H-1]benzopyran]-1(5H)-carboxylic acid 1,1-dimethylethyl ester (CAS 911229-46-4)
- 2-(Tetrahydro-2H-pyran-4-yl)propane-1,3-diyl bis(4-methylbenzenesulfonate) (CAS 2891952-04-6)
- 12,13,71,72-Tetrahydro-11H,51H-2,4,6,8-tetraaza-1,5(1,3)-diisoindolina-3,7(2,6)-dipyridinacyclooctaphane (CAS 343-44-2)
Recommended Standards
- Chisocheton Compound F (CAS 157376-71-1)
- (R)-(+)-Verapamil HCl (CAS 38321-02-7)
- Macrocarpal C (CAS 142628-53-3)
- Adenylyl-imidodiphosphate,tetralithiumsalt (CAS 72957-42-7)
- N-(3-Bromo-4-hydroxyphenyl)ethanesulfonamide (CAS 321954-16-9)
- 6-[4-(Trifluoromethoxy)phenyl]pyridine-2-carboxylic Acid (CAS 887982-16-3)
- n-Ethyl-4-isopropylaniline (CAS 190843-74-4)
- 2-(4-Fluorophenyl)-3-oxopropanenitrile (CAS 398-42-5)
- 4-(4-Chlorobenzoyl)-1-(furan-2-ylmethyl)-3-hydroxy-5-(4-nitrophenyl)-1H-pyrrol-2(5H)-one (CAS 618074-54-7)
- D-Ser32-Tirzepatide (CAS CATO-CPTD788692)
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