Entacapone 3-b-D-glucuronide CAS 158069-75-1
| CAS No. | 158069-75-1 |
| Molecular Formula | C20H23N3O11 |
| Molecular Weight | 481.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Entacapone 3-b-D-glucuronide.
CATO supplies Entacapone 3-b-D-glucuronide (CAS 158069-75-1), a certified reference material (molecular formula C20H23N3O11, MW 481.41 g/mol) for analytical method development and quality control.
Based on its molecular formula C20H23N3O11, Entacapone 3-b-D-glucuronide contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 481.41 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), Entacapone 3-b-D-glucuronide 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 | C20H23N3O11 |
| Molecular Weight | 481.41 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2002 |
| Nitrogen Atoms | 3 |
Related Entacapone Standards
- Entacapone Impurity 5（Mixture of chiral isomers） (CAS CATO-C4X-16295)
- Entacapone Impurity 35 (CAS CATO-C4X-162935)
- Entacapone impurity 54 (CAS CATO-C4X-162954)
- Entacapone Impurity 58 (CAS CATO-C4X-162958)
- Entacapone impurity 43 (CAS CATO-C4X-162943)
- Entacapone impurity 41 (CAS CATO-C4X-162941)
- Entacapone impurity 46 (CAS CATO-C4X-162946)
- Entacapone impurity 47 (CAS 1402714-31-1)
Recommended Standards
- 7-(4-Bromophenyl)-2-(4-(m-tolyl)piperazin-1-yl)thieno[3,2-d]pyrimidin-4(3H)-one (CAS 1242913-08-1)
- 2,2-Dimethyl-1-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-tosyl-1H-indol-3-yl)propan-1-one (CAS 2390149-29-6)
- Napyradiomycin A1 (CAS 103106-24-7)
- N,N'-Bis(4-chlorophenyl)-N,N'-diphenyl-1,4-phenylenediamine (CAS 113703-66-5)
- 8-Nitrotryptanthrin (CAS 77603-42-0)
- Tert-butyl 3-(1-ethoxy-1-oxopropan-2-yl)azetidine-1-carboxylate (CAS 1803607-60-4)
- 3-Bromo-4-(3,4-dichlorophenoxy)benzonitrile (CAS 1548389-32-7)
- 1-Chloro-2-ethoxy-3-methoxy-5-nitrobenzene (CAS 1881322-01-5)
- 4-Methoxy-3,5-dinitrobenzoic acid (CAS 85365-92-0)
- Methyl 3-(4-fluorophenyl)-2,2-dimethylpropanoate (CAS 1228320-14-6)
- 2-{[3-(4-chlorophenyl)-1,2-oxazol-5-yl]methyl}-2,3-dihydro-1H-isoindole-1,3-dione (CAS 478048-78-1)
- 5-(Bromomethyl)-1-methyl-1H-indazole hydrobromide (CAS 1203160-22-8)
- Benzo[d]isothiazol-6-ylmethanol (CAS 1785455-18-6)
- C-Peptide (human) (CAS 33017-11-7)
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 18665070610 / Nicole.chen@cato-chem.com