Dinaphtho[1,2-b:2',1'-d]furan CAS 239-69-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 239-69-0 |
| Molecular Formula | C20H12O |
| Molecular Weight | 268.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Dinaphtho[1,2-b:2',1'-d]furan (CAS 239-69-0), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C20H12O. Molecular weight: 268.31 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C20H12O |
| Molecular Weight | 268.31 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related Dinaphtho Standards
- Dinaphtho[2,1-b:1,2-d]furan (CAS 194-63-8)
- Dinaphtho[1,2-b;1',2'-d]furan" (CAS 207-93-2)
- Dinaphtho[1,2-b;2',3'-d]furan" (CAS 239-90-7)
- Dinaphtho[2,1-b;2',3'-d]furan" (CAS 204-91-1)
- Dinaphtho[2,3-b;2',3'-d]furan" (CAS 242-51-3)
- Dinaphtho[2,1-b;1',2'-d]thiophene" (CAS 194-65-0)
- Dinaphtho[2,1-b:2',3'-d]furan-8,13-dione (CAS 5397-99-9)
- 935280-42-5 dinaphtho[2,3-b:2',3'-f]thieno[3,2-b]thiophene (CAS 935280-42-5)
Recommended Standards
- Diethyl 1-amino-5-isopropyl-1H-pyrrole-2,3-dicarboxylate (CAS 938191-11-8)
- Diethyl 1-amino-3-propyl-1H-pyrrole-2,4-dicarboxylate (CAS 310444-98-5)
- Diethyl 1-amino-3-isopropyl-1H-pyrrole-2,4-dicarboxylate (CAS 651744-39-7)
- 1-(3-Methoxybenzyl)-1H-imidazole-2-carboxylic acid (CAS 1439900-53-4)
- 4-Fluoro-2-isobutoxybenzenethiol (CAS 1379297-99-0)
- (S)-1-Phenoxypropan-2-amine hydrochloride (CAS 1700-83-0)
- N-(6-Vinylpyridin-3-yl)acetamide (CAS 1259929-70-8)
- Ethyl 2-(2-((3,4-dichlorophenyl)amino)thiazol-4-yl)acetate (CAS 1498656-13-5)
- Fluoren-1-ol (CAS 6344-61-2)
- D-Ile17-Tirzepatide (CAS CATO-CPTD788917)
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