4,4',4'',4'''-([2,2'-Bi(1,3-dithiolylidene)]-4,4',5,5'-tetrayl)tetrabenzaldehyde CAS 1639134-02-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1639134-02-3 |
| Molecular Formula | C34H20O4S4 |
| Molecular Weight | 620.78 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 4,4',4'',4'''-([2,2'-Bi(1,3-dithiolylidene)]-4,4',5,5'-tetrayl)tetrabenzaldehyde (CAS 1639134-02-3) pharmaceutical standards reference standard. Molecular formula: C34H20O4S4. Molecular weight: 620.78 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C34H20O4S4 |
| Molecular Weight | 620.78 g/mol |
| 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) | 25.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Sulfur Atoms | 4 |
Related Bi Standards
- 4,4',4'',4'''-([2,2'-Bi(1,3-dithiolylidene)]-4,4',5,5'-tetrayl)tetrabenzonitrile (CAS 1356336-67-8)
- 4,4’,4’’,4’’’-[[2,2’-Bi(1,3-dithiolylidene)]-4,4’,5,5’-tetrayl]tetrabenzoic Acid (CAS 1392413-73-8)
- 3,3',3'',3'''-([2,2'-Bi(1,3-dithiolylidene)]-4,4',5,5'-tetrayl)tetrabenzoicacid (CAS 2757729-91-0)
- 5,5',5'',5'''-([2,2'-Bi(1,3-dithiolylidene)]-4,4',5,5'-tetrayl)tetraisophthalic acid (CAS 2172997-02-1)
- [2,2'-Bi(1,3-dithiolylidene)]-4,4',5,5'-tetracarbonitrile (CAS 55052-32-9)
- [2,2'-Bi(1,3-dithiolylidene)]-4-carbaldehyde (CAS 68128-94-9)
Recommended Standards
- 146713-92-0 9R2FX9KR0Y Physagulin-d UNII-9R2FX9KR0Y Physagulin-d (constituent of ashwagandha root) [DSC] (CAS 146713-92-0)
- 799812-63-8 (2S,3R,4E)-2-Azaniumyl-3-hydroxy-18-({5-[(3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl]pentanoyl}amino)octadec-4-en-1-yl hydrogen phosphate DTXSID80677052 (CAS 799812-63-8)
- 12-Deoxyphorbol 20-Methoxytrityl Ether (CAS 123597-60-4)
- (2E)-3-(2-Nitrophenyl)acryloyl chloride 141236-47-7 4210AD C9H6ClNO3 (CAS 141236-47-7)
- H-Leu-Trp-OMe.HCl (CAS 143413-36-9)
- 3-Chloro-5-nitro-1-tosyl-1H-pyrazole (CAS 2055839-83-1)
- 3-(2,5-Difluorophenoxy)propane-1-sulfonyl chloride (CAS 1481650-26-3)
- Ethyl 3-amino-2-((tetrahydrofuran-3-yl)methyl)propanoate (CAS 1247399-52-5)
- tert-Butyl (R)-5-bromo-6-methoxy-1-methyl-3,4-dihydroisoquinoline-2(1H)-carboxylate (CAS 2766799-87-3)
- D-Ser39-Tirzepatide (CAS CATO-CPTD788694)
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