(1H-Inden-3-yl)diphenylphosphane CAS 138784-89-1
| CAS No. | 138784-89-1 |
| Molecular Formula | C21H17P |
| Molecular Weight | 300.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C21H17P, (1H-Inden-3-yl)diphenylphosphane contains organophosphorus functionality, a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 300.33 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
(1H-Inden-3-yl)diphenylphosphane (CAS 138784-89-1), molecular formula C21H17P and molecular weight 300.33 g/mol, is a CATO reference standard with documented purity and traceability.
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), (1H-Inden-3-yl)diphenylphosphane 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 | C21H17P |
| Molecular Weight | 300.33 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 13.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
Related H Standards
- 6-(((1H-Inden-7-yl)oxy)methyl)-4-phenylmorpholin-3-one (CAS 60929-56-8)
- 6-(((1H-Inden-7-yl)oxy)methyl)-4-cyclohexylmorpholin-3-one (CAS 60929-53-5)
- 6-(((1H-Inden-4-yl)oxy)methyl)-4-phenylmorpholin-3-one (CAS 104908-09-0)
- 2-(1H-Inden-6-yl)isoindoline-1,3-dione (CAS 1269481-65-3)
- 4-((1H-Inden-1-ylidene)methyl)-N,N-dimethylaniline (CAS 443-30-1)
- 6-(((1H-Inden-7-yl)oxy)methyl)morpholin-3-one (CAS 104908-23-8)
- 2-(1H-Inden-3-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2374803-13-9)
- 2-(((1H-Inden-7-yl)oxy)methyl)morpholine (CAS 60929-23-9)
Recommended Standards
- (R)-3-(tert-Butyl)-4-(2-methoxyphenyl)-2,3-dihydrobenzo[d][1,3]oxaphosphole (CAS 1338454-28-6)
- 3-Carbamoyl-2-(3,4-dimethylbenzenesulfonamido)propanoic acid (CAS 1396962-17-6)
- 2-(3-Benzoylthioureido)benzoic acid (CAS 13277-24-2)
- (3-(Benzo[d]thiazol-2-yloxy)azetidin-1-yl)(furan-2-yl)methanone (CAS 1421510-11-3)
- 2',3',5',6'-Tetramethyl-[1,1':4',1''-terphenyl]-4,4''-dicarbaldehyde (CAS 850559-54-5)
- N-Isobutyl-5,6-dihydro-4H-1,3-thiazin-2-amine (CAS 179116-10-0)
- 2-fluoro-4-(1,3-oxazol-2-yl)benzaldehyde (CAS 1909319-04-5)
- 9-Benzyl-3,6-dibromocarbazole (CAS 118599-27-2)
- 4-fluoro-7-nitro-1H-indole (CAS 1167056-95-2)
- Methyl (1R,2S)-1-amino-2-ethylcyclopropane-1-carboxylate (CAS 138457-96-2)
- RDCN-Th-Br (CAS 1879092-25-7)
- tert-Butyl 4-hydroxy-2-methylpiperidine-1-carboxylate (CAS 208046-23-5)
- 6-Fluoro-2-(piperazin-1-ylmethyl)quinoline hydrochloride (CAS 1228095-60-0)
- Semaglutide impurity 36 (CAS CATO-C4X-222636)
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