Spiro[cyclopenta[1,2-b:5,4-b']dipyridine-5,9'-fluorene] CAS 171856-25-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 171856-25-0 |
| Molecular Formula | C23H14N2 |
| Molecular Weight | 318.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Spiro[cyclopenta[1,2-b:5,4-b']dipyridine-5,9'-fluorene] (CAS 171856-25-0), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C23H14N2. Molecular weight: 318.37 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C23H14N2 |
| Molecular Weight | 318.37 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2006 |
| Nitrogen Atoms | 2 |
Related Spiro Standards
- Spiro[3H-indole-3,4'-piperidine]-1'-carboxylic acid, 1,2-dihydro-1-methyl-2-oxo-, 1,1-dimethylethyl ester (CAS 497937-62-9)
- Benzyl spiro[indole-3,4'-piperidine]-1'-carboxylate (CAS 184289-85-8)
- Benzyl spiro[indoline-3,4'-piperidine]-1-carboxylate (CAS 167483-91-2)
- Spiro[1,2-benzisothiazole-3(2H),3'-pyrrolidine]-1'-carboxylic acid, 1,1-dimethylethyl ester, 1,1-dioxide (CAS 1251011-18-3)
- 10H-Spiro[acridine-9,9'-fluorene] (CAS 92638-81-8)
- Spiro[fluorene-9,9'-xanthene] (CAS 159-62-6)
- 1’-Boc-spiro[indoline-3,4’-piperidin]-2-one (CAS 252882-60-3)
- Spiro[3H-indole-3,3'-piperidine]-1'-carboxylic acid, 1,2-dihydro-2-oxo-, 1,1-dimethylethyl ester (CAS 857677-51-1)
Recommended Standards
- 4-(4-Benzyloxyphenyl)-3-methylbenzoic acid (CAS 167627-35-2)
- tert-Butyl benzyl((2,5-dioxopyrrolidin-3-yl)methyl)carbamate (CAS 1799421-07-0)
- Bicyclo[6.1.0]non-4-yn-9-ylmethyl (4-(cyanoethynyl)phenyl)carbamate (CAS 1644038-97-0)
- 4-Bromo-5-fluoro-2-methoxypyridine (CAS 884495-00-5)
- N-Methyl-1-(2-(methylsulfinyl)pyrimidin-4-yl)methanamine (CAS 1823930-80-8)
- 3-Amino-1,7-dimethyl-1,3-dihydro-2H-indol-2-onehydrochloride (CAS 1332528-33-2)
- 2-(3-Aminopiperidin-1-yl)pyridine-4-carboxylic acid (CAS 1250071-50-1)
- 3-(4-Acetylphenyl)-2-aminopropanoic Acid Hydrochloride (CAS 1360436-95-8)
- 1-(5-Bromo-2-pyridinyl)cyclopropanemethanamine (CAS 1196156-83-8)
- Semaglutide Impurity 144 (CAS 394210-59-4)
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