Spiro[fluorene-9,9'-xanthene]-2,7-diylbis(diphenylphosphineoxide) CAS 1346002-81-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1346002-81-0 |
| Molecular Formula | C49H34O3P2 |
| Molecular Weight | 732.74 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Spiro[fluorene-9,9'-xanthene]-2,7-diylbis(diphenylphosphineoxide) (CAS 1346002-81-0) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C49H34O3P2. Molecular weight: 732.74 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C49H34O3P2 |
| Molecular Weight | 732.74 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) | 33.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
Related Spiro Standards
- 80416-52-0 Spiro(cyclopenta(c)pyran-7(1H),2'(5'H)-furan)-4-carboxylic acid,1-(beta-D-glucopyranosyloxy)-4a,7a-dihydro-4'-(1-((3-(4-hydroxyphenyl)-1-oxo-2-propenyl)oxy)ethyl)-5'-oxo-, methyl ester, (1S-(1alpha,4aalpha,7alpha(R*),7aalpha))- Plumieride coumarate glucoside (CAS 80416-52-0)
- 1,6-Di(spiro[fluorene-9,9'-xanthen]-2-yl)pyrene (CAS 1246183-53-8)
- 56360-46-4 spiro[isobenzofuran-1(3h),9'-[9h]xanthen]-3-one,4',5'-dibromo-3',6'-dihydroxy-2',7'-dinitro- (CAS 56360-46-4)
- Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 6'-(dipentylamino)-3'-methyl-2'-(phenylamino)- (CAS 129473-78-5)
- 3-(4-((4-(Spiro[indene-1,4'-piperidin]-1'-ylmethyl)benzyl)oxy)phenyl)hex-4-ynoic acid (CAS 1292290-42-6)
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- Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 6'-[ethyl(4-methylphenyl)amino]-2'-methyl- (CAS 42228-32-0)
- 5H-spiro[dibenzo[c,h]acridine-7,9'-fluoren]-5-one (CAS 1345890-45-0)
Recommended Standards
- 4,4',4",4'"-(Perylene-2,5,8,11-tetrayl)tetrabenzoic acid (CAS 1885094-82-5)
- 4,4''-Bis(bis(4-formylphenyl)amino)-[1,1':4',1''-terphenyl]-2',5'-dicarbaldehyde (CAS 2097132-15-3)
- Pantoprazole Impurity 44 (CAS CATO-C4X-139944)
- 1-(3-Bromophenyl)piperidin-4-one (CAS 1016769-81-5)
- 3-(2-Chlorophenyl)-4H-1,2,4-triazole (CAS 56015-92-0)
- 3-Chloro-2,6-difluorophenylboronic acid pinacol ester (CAS 2028305-90-8)
- N-(5-Hydroxypyridin-2-yl)acetamide (CAS 159183-89-8)
- N-Methyl-N-(2-methylphenyl)ethane-1,2-diaminehydrochloride (CAS 1332528-72-9)
- Ac-D-Ala-D-lactic acid (CAS 136577-05-4)
- Semaglutide Impurity 142 (CAS CATO-C4X-2226142)
Why CATO?
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