2-(11-Hydroxy-3-oxo-3H-dibenzo[c,h]xanthen-7-yl)benzoic acid CAS 51517-45-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 51517-45-4 |
| Molecular Formula | C28H16O5 |
| Molecular Weight | 432.42 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 2-(11-Hydroxy-3-oxo-3H-dibenzo[c,h]xanthen-7-yl)benzoic acid (CAS 51517-45-4) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C28H16O5. Molecular weight: 432.42 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C28H16O5 |
| Molecular Weight | 432.42 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 21.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1971 |
Related Hydroxy Standards
- Ethyl 2-hydroxy-2-(6-(methoxymethoxy)-7-(((trifluoromethyl)sulfonyl)oxy)benzo[d][1,3]dioxol-4-yl)acetate (CAS 874758-54-0)
- Methyl 3-(4-hydroxy-3,5-diiodophenyl)propanoate (CAS 264265-63-6)
- 3768-14-7 5'-O-[hydroxy(phosphonomethyl)phosphoryl]adenosine Adenosine 5'-(hydrogen (phosphonomethyl)phosphonate) Adenosine, 5'-(trihydrogen methylenebis(phosphonate)) CHEBI:40730 PHOSPHOMETHYLPHOSPHONIC ACID ADENOSYL ESTER adenosine 5'-methylenediphosphate (CAS 3768-14-7)
- N-(4-Hydroxy-2-iodo-5-methoxybenzyl)-8-methylnonanamide (CAS 1177195-52-6)
- 17-Hydroxy-19-nor-5α,17α-pregn-20-en-3-one (CAS 6424-06-2)
- 3-(1-Ethyl-4-hydroxy-2-oxo-1,2-dihydroquinolin-3-yl)-N-(furan-2-ylmethyl)-3-((furan-2-ylmethyl)imino)propanamide (CAS 882747-58-2)
- 3-Hydroxy-5-(4-isopropylphenyl)-1-(5-methyl-1,3,4-thiadiazol-2-yl)-4-(4-methylbenzoyl)-1H-pyrrol-2(5H)-one (CAS 609794-25-4)
- 1037511-17-3 17|A-Hydroxy-19-nor-5-|A-| inverted exclamation markndrostan-3-one-17|A-decanoate 17|A-Hydroxy-5-a-estran-3-one-17|A-decanoate 4,5-Dihydro-19-nortestosterone-17|A-decanoate (CAS 1037511-17-3)
Recommended Standards
- (2S,3R,4S,5R,6R)-2-(((2R,3S,4R,5R,6R)-6-(benzyloxy)-4,5-dihydroxy-2-(hydroxymethyl)tetrahydro-2H-pyran-3-yl)oxy)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol (CAS 18404-72-3)
- 2-(2-(2-((3-(Trifluoromethyl)phenoxy)methyl)thiazol-4-yl)ethyl)isoindoline-1,3-dione (CAS 860785-69-9)
- 3,4,5,3,5,6,7-Heptamethoxyflavone (CAS 17245-30-6)
- 2-(1-Methylcyclopropyl)ethan-1-amine hydrochloride (CAS 1454690-72-2)
- 4-(tert-Butoxy)-5-cyclopropoxynicotinaldehyde (CAS 1243356-74-2)
- rac-2-[(2R,6S)-2,6-dimethylmorpholin-4-yl]propan-1-amine (CAS 1592018-91-1)
- Butyl({[4-(propan-2-yl)phenyl]methyl})amine (CAS 893611-69-3)
- N-(4-Methoxyphenyl)-2-(methylamino)acetamide (CAS 220903-56-0)
- TERT-BUTYL 2,2,3,3,9,9,10,10-OCTAMETHYL-4,8-DIOXA-3,9-DISILAUNDECAN-6-YLCARBAMATE (CAS 1951440-94-0)
- Semaglutide impurity 289 (CAS CATO-C4X-2226289)
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