4,4''-Dihydroxy-[1,1':4',1''-terphenyl]-3,3'',5,5''-tetracarbaldehyde CAS 2761020-02-2
| CAS No. | 2761020-02-2 |
| Molecular Formula | C22H14O6 |
| Molecular Weight | 374.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 4,4''-Dihydroxy-[1,1':4',1''-terphenyl]-3,3'',5,5''-tetracarbaldehyde 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.
4,4''-Dihydroxy-[1,1':4',1''-terphenyl]-3,3'',5,5''-tetracarbaldehyde (CAS 2761020-02-2), molecular formula C22H14O6 and molecular weight 374.34 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4,4''-Dihydroxy-[1,1':4',1''-terphenyl]-3,3'',5,5''-tetracarbaldehyde (C22H14O6) contains a flavonoid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 16.0, corresponding to approximately 16 ring(s) or double-bond equivalent(s). With a molecular weight of 374.34 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).
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.
Physical & Chemical Properties
| Molecular Formula | C22H14O6 |
| Molecular Weight | 374.34 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2003 |
Related Dihydroxy Standards
- 2,2'-Dihydroxy-[1,1'-binaphthalene]-4,4'-dicarboxylic acid (CAS 1206478-00-3)
- 3,5-dihydroxy-3,4,5,7-tetramethoxyflavone (CAS 14290-57-4)
- 5,7-Dihydroxy-3-methoxy-2-(3,4,5-trimethoxyphenyl)-4H-chromen-4-one (CAS 14585-04-7)
- (R)-2,2'-Dihydroxy-[1,1'-binaphthalene]-3,3'-dicarboxylic acid (CAS 18531-92-5)
- (S)-2,2'-Dihydroxy-[1,1'-binaphthalene]-3,3'-dicarboxylic acid (CAS 42167-04-4)
- 1,1'-Dihydroxy-3,3'-dimethyl-[2,2'-binaphthalene]-5,5',8,8'-tetraone (CAS 89475-31-0)
- 2,2'-Dihydroxy-[1,1'-binaphthalene]-3,3'-dicarboxylic acid (CAS 47568-49-0)
- 4,4'-Dihydroxy-7,7'-dimethyl-[1,1'-binaphthalene]-5,5',8,8'-tetraone (CAS 33927-59-2)
Recommended Standards
- 4,4''-Diformyl-[1,1':4',1''-terphenyl]-2',5'-dicarboxylic acid (CAS 2409130-70-5)
- 4,4'-(3-Oxo-1,3-dihydroisobenzofuran-1,1-diyl)dibenzoic acid (CAS 7535-16-2)
- 5,4'-Dihydroxy-6,7,3',5'-tetramethoxyflavone (CAS 83133-17-9)
- 5-[2-(2,6-dioxo-3-piperidyl)-1,3-dioxo-isoindolin-4-yl]oxypentanoic acid (CAS 2169266-67-3)
- N-(2-Bromoacetyl)-1,1-dimethylethyl Ester Glycine (CAS 74010-56-3)
- Testosterone Impurity 8 (Androstane-3,17-Dione) (Mixture of Diastereomers) (CAS 5982-99-0)
- 5-propylthiophene-3-carboxylic acid (CAS 883546-51-8)
- 4-((Methylsulfonyl)methyl)piperidine hydrochloride (CAS 597563-39-8)
- 1-(3,4-Dichlorophenyl)-1H-imidazole-4-carboxylic acid hydrochloride (CAS 1803601-01-5)
- 4-(Propoxymethyl)benzaldehyde (CAS 132850-59-0)
- 1-Phenylpentan-3-Amine (CAS 57707-67-2)
- 3-Chloroquinoxaline-5-carbonitrile (CAS 1231761-43-5)
- 3-Allyl-4-(allyloxy)benzaldehyde (CAS 136433-45-9)
- Semaglutide Impurity 160 (x TFA Salt) (CAS CATO-C4X-2226160)
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