9-(2,4-Dihydroxyphenyl)-3,3,6,6-tetramethyl-3,4,5,6,7,9-hexahydro-1H-xanthene-1,8(2H)-dione CAS 117593-36-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 117593-36-9 |
| Molecular Formula | C23H26O5 |
| Molecular Weight | 382.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 9-(2,4-Dihydroxyphenyl)-3,3,6,6-tetramethyl-3,4,5,6,7,9-hexahydro-1H-xanthene-1,8(2H)-dione (CAS 117593-36-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C23H26O5. Molecular weight: 382.45 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C23H26O5 |
| Molecular Weight | 382.45 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
Related Dihydroxyphenyl Standards
- 9,9-Bis(3,4-dihydroxyphenyl)fluorene (CAS 351521-78-3)
- 9,10-Bis(3,5-dihydroxyphenyl)anthracene (CAS 153715-08-3)
- 1-(3,4-Dihydroxyphenyl)-2-((4-ethyl-5-(m-tolyl)-4H-1,2,4-triazol-3-yl)thio)ethanone (CAS 714924-44-4)
- 2-((4-(3,4-Dihydroxyphenyl)thiazol-2-yl)thio)-N-(3-ethoxypropyl)acetamide (CAS 940984-58-7)
- 5-[3-(2,4-Dihydroxyphenyl)propyl]-3,4-bis(3-methyl-2-buten-1-yl)-1,2-benzenediolDISCONTINUED (CAS 104494-35-1)
- 2-(3,4-Dihydroxyphenyl)-5,7-dihydroxy-6-(3-methylbut-2-en-1-yl)-4H-chromen-4-one (CAS 129145-53-5)
- 6-((2-(3,4-Dihydroxyphenyl)-4-oxo-4H-chromen-3-yl)oxy)-6-oxohexanoic acid (CAS 909529-64-2)
- 11-(2,3-Dihydroxyphenyl)-3,3,8-trimethyl-2,3,4,5,10,11-hexahydro-1H-dibenzo[b,e][1,4]diazepin-1-one (CAS 1024317-11-0)
Recommended Standards
- 3-[4-[4,5-Dihydro-2-(2-methylphenyl)-4-oxazolyl]phenyl]-4,5-dihydro-5-phenylisoxazole (CAS 1139552-18-3)
- Ondansetron Impurity 13 (CAS 1216890-42-4)
- 4,4-Bis(trimethylacetoxy)benzophenone (CAS 112004-83-8)
- 4,4',4''-Tri-tert-butyl-2,2':6',2''-terpyridine (CAS 115091-29-7)
- Ethyl 6-bromo-2-(trifluoromethyl)-1,8-naphthyridine-3-carboxylate (CAS 1188431-90-4)
- Methyl 3-amino-7-bromobenzofuran-2-carboxylate (CAS 1823346-61-7)
- (3R)-L-Alanyl-2-bromo-N-methyl-D-tryptophyl-3-[4-[[tris(1-methylethyl)silyl]oxy]phenyl]-β-alanine Methyl Ester (CAS 943858-26-2)
- 2-(3-(3-(3-Fluorophenyl)-1,2,4-oxadiazol-5-yl)-7-methyl-4-oxo-1,8-naphthyridin-1(4H)-yl)-N-(thiophen-2-ylmethyl)acetamide (CAS 1029770-32-8)
- 3-(Bromomethyl)-6-(difluoromethyl)-5-iodopyridin-2-amine (CAS 1806814-19-6)
- Semaglutide Impurity 125 xTFA Salt (CAS CATO-C4X-2226125)
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