2,2'-Thiobis(4-tert-octylphenol) CAS 3294-03-9
| CAS No. | 3294-03-9 |
| Molecular Formula | C28H42O2S |
| Molecular Weight | 442.70 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,2'-Thiobis(4-tert-octylphenol) (C28H42O2S) contains a steroid core, a sulfone group, a hydroxyl group, an ether linkage. Its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
2,2'-Thiobis(4-tert-octylphenol) (CAS 3294-03-9) is a high-purity analytical reference standard with the molecular formula C28H42O2S and a molecular weight of 442.70 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 2,2'-Thiobis(4-tert-octylphenol) meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C28H42O2S |
| Molecular Weight | 442.70 g/mol |
| Purity | >95% |
| Storage | Store at room temperature, protect from light |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Sulfur Atoms | 1 |
Related Thiobis Standards
- 2,2'-Thiobis(1-(4-bromophenyl)ethan-1-one) (CAS 58881-56-4)
- 4,4'-(Thiobis(methylene))bis(2,6-di-tert-butylphenol) (CAS 1620-93-5)
- 5,5'-Thiobis(2-phenylisoindoline-1,3-dione) (CAS 58974-89-3)
- 2,2'-Thiobis(N,N-dicyclohexylacetamide) (CAS 849629-03-4)
- Thiobis(ethane-2,1-diyl) didodecanoate (CAS 4275-31-4)
- 6,6'-Thiobis(4-(tert-butyl)-2-(hydroxymethyl)phenol) (CAS 133786-63-7)
- 4,4'-Thiobis(benzene-1-sulfonyl chloride) (CAS 3119-65-1)
- 6,6'-Thiobis(4-chloro-2-nitrophenol) (CAS 852-20-0)
Recommended Standards
- Diethyl 2-((8-bromo-2-chloro-7-methoxyquinolin-3-yl)methylene)malonate (CAS 1031929-12-0)
- Tri(1-naphthyl)phosphine 3411-48-1 P(1-NAP)3;TRI(1-NAPHTHYL)PHOSPHINE;TRIS(1-NAPHTHYL)PHOSPHINE SC11106 (CAS 3411-48-1)
- Diethyl 2-((5-bromo-2-chloro-6-methoxyquinolin-3-yl)methylene)malonate (CAS 1031929-09-5)
- Probucol Impurity 11 (CAS 4673-51-2)
- 4-(Benzyloxy)-3-fluorobenzaldehyde (CAS 175968-61-3)
- (2S)-N'-Nitrosonornicotine-d4 (CAS 1426174-36-8)
- 4-(tert-Butoxycarbonyl)-2,3,4,5-tetrahydrobenzo[f][1,4]oxazepine-5-carboxylic acid (CAS 2137442-90-9)
- ortho-Hydroxy Atorvastatin-d5 Lactone (CAS 265989-50-2)
- 5-(2,6-Dibromophenyl)oxazole (CAS 2364585-15-7)
- (4-(4-Chlorophenyl)-1-methylpyrrolidin-3-yl)methanamine (CAS 1525841-94-4)
- 6-Amino-5-(pentan-3-ylamino)-1-propylpyrimidine-2,4(1H,3H)-dione (CAS 796064-97-6)
- 4-Methyl-2-phenyl-1,3-thiazole-5-carboxylic acid (CAS 33763-20-1)
- Fmoc-Lys (biotin-PEG4)-OH (CAS 1334172-64-3)
- D-Ala21-Tirzepatide (CAS CATO-CPTD788913)
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