7-[4-[Bis(4-methoxyphenyl)amino]phenyl]-2,1,3-benzothiadiazole-4-carboxaldehyde CAS 2131058-21-2
| CAS No. | 2131058-21-2 |
| Molecular Formula | C27H21N3O3S |
| Molecular Weight | 467.54 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 7-[4-[Bis(4-methoxyphenyl)amino]phenyl]-2,1,3-benzothiadiazole-4-carboxaldehyde.
7-[4-[Bis(4-methoxyphenyl)amino]phenyl]-2,1,3-benzothiadiazole-4-carboxaldehyde (CAS 2131058-21-2), molecular formula C27H21N3O3S and molecular weight 467.54 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 7-[4-[Bis(4-methoxyphenyl)amino]phenyl]-2,1,3-benzothiadiazole-4-carboxaldehyde (C27H21N3O3S) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 19.0, corresponding to approximately 19 ring(s) or double-bond equivalent(s). With a molecular weight of 467.54 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 7-[4-[Bis(4-methoxyphenyl)amino]phenyl]-2,1,3-benzothiadiazole-4-carboxaldehyde 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 | C27H21N3O3S |
| Molecular Weight | 467.54 g/mol |
| 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) | 19.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Bis Standards
- 4-(1-(2-(2-((4-Ethyl-5-(4-methoxyphenyl)-4H-1,2,4-triazol-3-yl)thio)acetyl)hydrazono)ethyl)phenyl acetate (CAS 303103-06-2)
- 4-{[3-(3-methoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl}-1-(3,4,5-trimethoxybenzoyl)piperidine (CAS 1775513-10-4)
- 1-(4-Methoxyphenyl)-4-((3-methoxyphenyl)thio)-2-phenyl-6,7-dihydro-1H-indole-5-carbaldehyde (CAS 477869-31-1)
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- 2-((11AS)-5-(4-methoxyphenyl)-1,3-dioxo-5,6,11,11a-tetrahydro-1H-imidazo[1',5':1,6]pyrido[3,4-b]indol-2(3H)-yl)benzoic acid (CAS 956919-29-2)
- 4-((11AS)-5-(3-methoxyphenyl)-1,3-dioxo-5,6,11,11a-tetrahydro-1H-imidazo[1',5':1,6]pyrido[3,4-b]indol-2(3H)-yl)benzoic acid (CAS 956947-77-6)
- 1-[7-(4-Methoxyphenyl)-2-[1-methyl-5-(trifluoromethyl)-1H-pyrazol-4-yl]pyrazolo[1,5-a]pyrimidin-6-yl]-3,5-dimethyl-1H-pyrazole (CAS 956206-55-6)
- 2-(4-Methoxyphenyl)-4-oxo-4H-chromen-3-yl 2,5-dimethoxybenzenesulfonate (CAS 301193-69-1)
Recommended Standards
- 6-N-Biotinylaminohexyl Isopropyl Phosphorofluoridate, Hemihydrate (CAS 353754-93-5)
- Faropenem Impurity 19 (CAS CATO-C4X-128919)
- Upadacitinib Impurity 124 (CAS CATO-C4X-2405124)
- 3-(1,3-Benzothiazol-2-yl)-4-[3-(4-methoxyphenyl)-1-phenyl-1H-pyrazol-4-yl]but-3-enoic acid (CAS 926189-73-3)
- N2,N7-Bis(2,4-dimethylphenyl)-9-oxo-9H-fluorene-2,7-disulfonamide (CAS 303059-42-9)
- 2,3-Dichloropyridine-2-13C (CAS 1644451-39-7)
- Oleoyl chloride (CAS 112-77-6)
- 1-Amino-3-(2-ethoxyethoxy)propan-2-ol (CAS 1016741-65-3)
- 4-Chloro-7,8-dihydro-6H-pyrano[3,2-d]pyrimidin-2-amine (CAS 2171032-56-5)
- 5-(Trifluoromethyl)-1,2,4-oxadiazole-3-carboxylic acid (CAS 1253888-79-7)
- H-trans-DL-β-pro-4-(4-Fluorophenyl)-OH·HCl (CAS 1049727-56-1)
- 2-(2,4-dinitrophenyl)ethanamine (CAS 91828-74-9)
- 4-Amino-N-benzyl-1,2,5-oxadiazole-3-carboxamide (CAS 361367-38-6)
- [γ-Glu]15 Semaglutide (CAS CATO-C4X-222690)
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