Estradiol-3,17b-dibutyrate CAS 63042-23-9
| CAS No. | 63042-23-9 |
| Molecular Formula | C26H36O4 |
| Molecular Weight | 412.56 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), Estradiol-3,17b-dibutyrate 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.
CATO supplies Estradiol-3,17b-dibutyrate (CAS 63042-23-9), a certified reference material (molecular formula C26H36O4, MW 412.56 g/mol) for analytical method development and quality control.
Structurally, Estradiol-3,17b-dibutyrate (C26H36O4) contains a steroid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 412.56 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C26H36O4 |
| Molecular Weight | 412.56 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1975 |
Related Estradiol Standards
- Estradiol Impurity 46 (CAS CATO-C4X-163646)
- Estradiol Impurity 32 (CAS CATO-C4X-163632)
- Estradiol Impurity 53 (CAS CATO-C4X-163653)
- Estradiol Benzoate EP Impurity H (CAS 4954-17-0)
- Estradiol Impurity 39 (CAS 50394-95-1)
- Estradiol Impurity 31 (CAS CATO-C4X-163631)
- Estradiol Impurity 49 (CAS CATO-C4X-163649)
- Estradiol Impurity 18 (CAS 63042-22-8)
Recommended Standards
- 4-n-Heptyloxyphenyl 4-n-hexyloxybenzoate (CAS 38454-39-6)
- 4-(octyloxy)phenyl 4-(pentyloxy)benzoate 4-n-Octyloxyphenyl 4-n-pentyloxybenzoate 50649-44-0 (CAS 50649-44-0)
- (S,E)-ethyl 4-((S)-2-((tert-butoxycarbonyl)amino)-N,3,3-trimethylbutanamido)-2,5-dimethylhex-2-enoate (CAS 187345-37-5)
- 76822-56-5 Prost-13-en-1-oic acid, 11,15-dihydroxy-16-methoxy-16-methyl-9-oxo-, methyl ester, (11alpha,13E,15R,16R)- MDL 646 (16R)-Mexiprostil (CAS 76822-56-5)
- 1-(Pyridin-3-yl)-2-(p-tolyl)ethanone (CAS 40061-21-0)
- N-(6-Amino-5-cyclopropoxypyridin-3-yl)methanesulfonamide (CAS 1243452-05-2)
- oxane-3-thiol (CAS 35890-62-1)
- Sodium pyridin-3-olate (CAS 52536-09-1)
- Omeprazole Impurity 6 (CAS CATO-C4X-12556)
- 4-Bromo-4'-methyl-[1,1'-biphenyl]-2-amine (CAS 1312138-77-4)
- (2S)-2-[(4,7-Dimethoxy-1H-indol-2-yl)formamido]-2-phenylacetic acid (CAS 956951-92-1)
- Baricitinib Impurity 91 (CAS CATO-C4X-226091)
- (4-Fluorophenyl)(imino)(trifluoromethyl)-lambda6-sulfanone (CAS 109139-20-0)
- D-[Thr]7-Liraglutide (CAS CATO-C4X-199237)
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