Estradiol 17-Palmitate CAS 5776-45-4
| CAS No. | 5776-45-4 |
| Molecular Formula | C34H54O3 |
| Molecular Weight | 510.79 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Estradiol 17-Palmitate (CAS 5776-45-4) is a high-purity analytical reference standard with the molecular formula C34H54O3 and a molecular weight of 510.79 g/mol.
Structurally, Estradiol 17-Palmitate (C34H54O3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 510.79 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.
CATO manufactures Estradiol 17-Palmitate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C34H54O3 |
| Molecular Weight | 510.79 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
Related Estradiol Standards
- Estradiol Dicypionate (CAS 633-36-3)
- Estradiol 3,17-Dienanthate (CAS 7732-97-0)
- Estradiol 17-O-Octadecanoate (CAS 82205-00-3)
- Estradiol 17-O-Octadecanoate-1-14CDISCONTINUED (CAS 210241-63-7)
- Estradiol Benzoate EP Impurity C (CAS 4147-13-1)
- β-Estradiol 17-(β-D-glucuronide) sodium salt (CAS CATO-C3D-1941)
- Estradiol Impurity 36 (CAS 1359847-39-4)
- 17β-Estradiol-d3 3-β-D-Glucuronide (CAS 1260231-06-8)
Recommended Standards
- 1-((3-Nitro-4-(pyrrolidin-1-yl)phenyl)sulfonyl)pyrrolidine (CAS 59504-28-8)
- Dotriacontanedioic acid (CAS 14604-28-5)
- 2,8-Bis((tert-butyldimethylsilyl)oxy)chromeno[4,3-c]chromen-5(11H)-one (CAS 554430-87-4)
- 9-(Palmitoyloxy)hexadecanoic acid (CAS 1636134-70-7)
- 3-Chloro-6,7-dimethoxy-N-methylquinoxalin-2-amine (CAS 1372142-08-9)
- 2-((Tert-butoxycarbonyl)amino)-3-(o-tolyl)propanoic acid (CAS 139558-50-2)
- 2-Amino-6-ethyl-4-(4-fluorophenyl)-5-methylnicotinonitrile (CAS 338794-71-1)
- 2-Chloro-4-(difluoromethyl)-6-methylnicotinic acid (CAS 1806940-09-9)
- (2E)-3-(3-Chlorophenyl)-1-(2,4-dichlorophenyl)prop-2-en-1-one (CAS 607717-57-7)
- (S)-1-(2,5-dimethylphenyl)-2-methylpropan-1-amine hydrochloride (CAS 1391435-34-9)
- 2-(4-Fluorophenyl)Ethyl 4-Methylbenzenesulfonate (CAS 50562-02-2)
- N-Ethyl-2-pyrrolidinecarboxamide hydrochloride (CAS 59179-36-1)
- Methyl 3,4-dichloroisothiazole-5-carboxylate (CAS 352010-56-1)
- Tau Peptide (301-315) trifluoroacetate salt (CAS 330456-48-9)
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