15,16-Diethynyl-2,3,5,6,8,9,11,12-octahydrobenzo[b][1,4,7,10,13]pentaoxacyclopentadecine CAS 680573-26-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 680573-26-6 |
| Molecular Formula | C18H20O5 |
| Molecular Weight | 316.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 15,16-Diethynyl-2,3,5,6,8,9,11,12-octahydrobenzo[b][1,4,7,10,13]pentaoxacyclopentadecine (CAS 680573-26-6), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C18H20O5. Molecular weight: 316.35 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C18H20O5 |
| Molecular Weight | 316.35 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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.) | 1985 |
Related Diethynyl Standards
- 3,6-Diethynyl-9-(4-ethynylphenyl)-9H-carbazole (CAS 952308-20-2)
- 1,4-Diethynyl-2,5-bis(hexyloxy)benzene (CAS 128424-37-3)
- 2-(2-(2-(2,5-Diethynyl-4-methoxyphenoxy)ethoxy)ethoxy)ethanol (CAS 842120-08-5)
- (R)-2,2'-Diethynyl-1,1'-binaphthalene (CAS 426210-81-3)
- (S)-2,2'-Diethynyl-1,1'-binaphthalene (CAS 426210-82-4)
- 2,2'-Diethynyl-1,1'-binaphthalene (CAS 765911-39-5)
- 2,2'-((((2,5-Diethynyl-1,4-phenylene)bis(oxy))bis(ethane-2,1-diyl))bis(oxy))bis(ethan-1-ol) (CAS 321673-10-3)
- 2,2'-(2,5-Diethynyl-1,4-phenylene)dithiophene (CAS 2701595-07-3)
Recommended Standards
- 1-[(3-Methoxyphenyl)methyl]-2-oxo-5-phenyl-1,2-dihydropyridine-3-carbonitrile (CAS 338955-37-6)
- 1-Methyl-4-[4-[(2-methylpropan-2-yl)oxycarbonylamino]phenyl]pyrrole-2-carboxylic acid (CAS 864076-03-9)
- 1,3,7,9-Tetramethoxy-2,6-dimethyldibenzo[b,d]furan (CAS 24565-66-0)
- 1-(isocyanatomethyl)-2,4-dimethylbenzene (CAS 56651-59-3)
- 4-(4-Fluorophenyl)butyryl Chloride (CAS 133188-66-6)
- 1-{3-[(4-methylphenyl)methoxy]phenyl}piperazine hydrochloride (CAS 1281180-41-3)
- 2-(2-Isopropoxyphenyl)-8-methylquinoline-4-carboxylic acid (CAS 932928-82-0)
- 3,5-Dichloro-2-(4-methylpiperazinomethyl) benzophenone (CAS 898762-42-0)
- 1-(3-Ethoxypropyl)-1h-1,2,4-triazol-3-amine (CAS 1481182-13-1)
- Crustacean Cardioactive Peptide (CCAP) (CAS 309247-84-5)
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