Tri(thiophen-2-yl)phosphine oxide CAS 1021-21-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1021-21-2 |
| Molecular Formula | C12H9OPS3 |
| Molecular Weight | 296.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Tri(thiophen-2-yl)phosphine oxide (CAS 1021-21-2), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C12H9OPS3. Molecular weight: 296.37 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C12H9OPS3 |
| Molecular Weight | 296.37 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) | 8.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Sulfur Atoms | 3 |
Related Tri Standards
- N-(Thiophen-2-ylmethyl)-1,5-dioxa-9-azaspiro[5.5]undecane-9-carboxamide (CAS 1351613-11-0)
- N-(Thiophen-2-ylmethyl)-1,9-dioxa-4-azaspiro[5.5]undecane-4-carboxamide (CAS 1421491-17-9)
- Methyl 4-((2-(thiophen-3-yl)acetamido)methyl)piperidine-1-carboxylate (CAS 1797613-76-3)
- 5-(((2-(Thiophen-2-yl)oxazol-4-yl)methyl)thio)-1,3,4-thiadiazol-2-amine (CAS 924205-97-0)
- 5-(((5-(Thiophen-2-yl)isoxazol-3-yl)methyl)thio)-1,3,4-thiadiazol-2-amine (CAS 878944-71-9)
- 3-(1-Phenyl-3-(thiophen-2-yl)-1H-pyrazol-4-yl)acrylic acid (CAS 302581-52-8)
- 3,5-Di(thiophen-2-yl)-1,2,4-selenadiazole (CAS 68723-63-7)
- (Thiophen-2-ylsulfonyl)methionine (CAS 82068-29-9)
Recommended Standards
- Cryptotanshinone (CAS 35825-57-1)
- 2-((4-Hydroxy-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-2-yl)thio)acetic acid (CAS 112672-69-2)
- 1,2-Dibenzoyl-1-tert-butylhydrazine (CAS 112225-87-3)
- Benzyltriethylammonium Borohydride (CAS 85874-45-9)
- FA-Lys-Leu-OH (CAS 158016-09-2)
- 4-Methyl-5-(piperidin-4-yloxy)isoquinoline (CAS 651308-48-4)
- Dimethylglyoxime Disodium Salt Octahydrate (CAS 75006-64-3)
- 1-N,1-N-dimethylisoquinoline-1,6-diamine (CAS 1537451-12-9)
- 3-Bromo-7-fluoro-1,8-naphthyridin-2(1H)-one (CAS 2773413-93-5)
- Semaglutide impurity 214 (CAS CATO-C4X-2226214)
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