17-Ethinyl-17-hydroxy-18-methylestra-5(10),9(11)-dien-3-one-3-ethylene ketal 23637-79-8 3-Iodo-1H-pyrrolo[2,3-b]pyridine CAS 23637-79-8
| CAS No. | 23637-79-8 |
| Molecular Formula | C23H30O3 |
| Molecular Weight | 354.48 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 17-Ethinyl-17-hydroxy-18-methylestra-5(10),9(11)-dien-3-one-3-ethylene ketal 23637-79-8 3-Iodo-1H-pyrrolo[2,3-b]pyridine 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.
CATO supplies 17-Ethinyl-17-hydroxy-18-methylestra-5(10),9(11)-dien-3-one-3-ethylene ketal 23637-79-8 3-Iodo-1H-pyrrolo[2,3-b]pyridine (CAS 23637-79-8), a certified reference material (molecular formula C23H30O3, MW 354.48 g/mol) for analytical method development and quality control.
Based on its molecular formula C23H30O3, 17-Ethinyl-17-hydroxy-18-methylestra-5(10),9(11)-dien-3-one-3-ethylene ketal 23637-79-8 3-Iodo-1H-pyrrolo[2,3-b]pyridine contains a steroid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 354.48 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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 | C23H30O3 |
| Molecular Weight | 354.48 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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.) | 1963 |
Related Ethinyl Standards
Recommended Standards
- N,N-Diethyl-2-((1-(2-fluorophenyl)isoquinolin-3-yl)thio)ethanamine (CAS 89707-45-9)
- Dinoprost EP Impurity B (CAS 37658-84-7)
- Ethyl 4'-(octyloxy)-[1,1'-biphenyl]-4-carboxylate (CAS 61922-31-4)
- 38454-21-6 4-N-Butyloxyphenyl 4-N-hexylbenzoate 4-butoxyphenyl 4-hexylbenzoate (CAS 38454-21-6)
- 3-(2-Oxo-2,3-dihydro-1H-indol-3-yl)propanoic acid (CAS 2971-17-7)
- 2-(Dimethylamino)ethanesulfonyl chloride (CAS 654073-18-4)
- 3-Bromo-4,5,6,7-tetrahydro-1H-pyrazolo[4,3-c]pyridine dihydrochloride (CAS 2460757-28-0)
- 4-(4-nitrophenyl)-1H-pyrrole-3-carboxylic acid (CAS 358986-47-7)
- 5-Bromo-2-chloro-N-ethylaniline (CAS 1340149-02-1)
- 2-Hydroxypropane-1,3-diyl bis(2-chloroacetate) (CAS 7250-48-8)
- 1-(2,6-Difluorophenyl)-1H-pyrrole (CAS 195711-23-0)
- 3,3-Dimethyl-4-piperidinol (CAS 373603-88-4)
- ((2S,3R)-1-Benzyl-3-(benzylamino)pyrrolidin-2-yl)methanol (CAS 1932059-96-5)
- Uremic Pentapeptide (CAS 71494-20-7)
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