6'-(Ethyl(isopentyl)amino)-3'-methyl-2'-(phenylamino)-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one CAS 70516-41-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 70516-41-5 |
| Molecular Formula | C34H34N2O3 |
| Molecular Weight | 518.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 6'-(Ethyl(isopentyl)amino)-3'-methyl-2'-(phenylamino)-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one (CAS 70516-41-5), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C34H34N2O3. Molecular weight: 518.65 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C34H34N2O3 |
| Molecular Weight | 518.65 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 19.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
| Nitrogen Atoms | 2 |
Related Ethyl Standards
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Recommended Standards
- 3-(9,9-Diphenyl-9H-fluoren-2-yl)fluoranthene (CAS 653590-82-0)
- 9-Octyl-9H-purin-6-amine (CAS 728-35-8)
- 1,4-Bis(1,5-diphenyl-4,5-dihydro-1H-pyrazol-3-yl)benzene (CAS 7267-75-6)
- 25317-06-0 3-[2-(4-Formylphenyl)hydrazinylidene]-5-hydroxy-4-oxo-3,4-dihydronaphthalene-2,7-disulfonic acid DTXSID00425557 (CAS 25317-06-0)
- (2S,4S)-N-[2-[[2-[[2-[[2-[3-(2,5-dioxopyrrol-1-yl)propanoylamino]acetyl]amino]acetyl]amino]acetyl]amino]ethyl]-2,5,12-trihydroxy-7-methoxy-4-[[(2S,4R,6S,7S,9R,10S)-10-methoxy-6-methyl-5,8,11-trioxa-1-azatricyclo[7.4.0.0²⁷]tridecan-4-yl]oxy]-6,11-dioxo-3,4-dihydro-1H-tetracene-2-carboxamide (CAS 2259318-53-9)
- 1-Styryl-2-vinylbenzene (CAS 93371-12-1)
- (4-((Cyclopropylmethyl)sulfonyl)phenyl)boronic acid (CAS 1175560-85-6)
- Enzalutamide Impurity 5 (CAS 179232-29-2)
- (S)-2-((3-(4-Octylphenyl)-1,2,4-oxadiazol-5-yl)methyl)pyrrolidine-1-carboximidamide hydrochloride (CAS 1449768-48-2)
- Hexapeptide-11 (CAS 100684-36-4)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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