Marein CAS 535-96-6
| CAS No. | 535-96-6 |
| Molecular Formula | C21H22O11 |
| Molecular Weight | 450.39 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 Marein.
CATO supplies Marein (CAS 535-96-6), a certified reference material (molecular formula C21H22O11, MW 450.39 g/mol) for analytical method development and quality control.
Structurally, Marein (C21H22O11) contains a flavonoid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 450.39 g/mol, it falls into the moderately-high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures Marein under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C21H22O11 |
| Molecular Weight | 450.39 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Recommended Standards
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- 2-Ethyl-6-hydroxybenzamide (CAS 1243281-35-7)
- 3-Methyl-2-(1-piperidinyl)aniline (CAS 84186-30-1)
- 5-Methoxy-N1-methylbenzene-1,2-diamine (CAS 129139-48-6)
- (Z)-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]oxy}(1-phenylethylidene)amine (CAS 326808-43-9)
- 2-((2R,3R)-3-(tert-butyl)-4-methoxy-2,3-dihydrobenzo[d][1,3]oxaphosphol-2-yl)-6-methoxypyridine (CAS 1542796-16-6)
- Methyl 4-amino-1,2,5-oxadiazole-3-carboximidate (CAS 246048-63-5)
- MX2 hydrochloride (CAS 131722-57-1)
- Mianserin impurity 24 (CAS CATO-C4X-136924)
- Ethyl 2-{N'-[(1E)-(4-chlorophenyl)methylidene]hydrazinecarbonyl}-3-{[3-(trifluoromethyl)phenyl]carbamoyl}cyclopropane-1-carboxylate (CAS 321385-55-1)
- Semaglutide impurity 61 (CAS CATO-C4X-222661)
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