(E)-4-(benzo[d][1,3]dioxol-5-yl)-2-(4-nitrostyryl)-5-oxo-5H-indeno[1,2-b]pyridine-3-carbonitrile CAS 866142-86-1
| CAS No. | 866142-86-1 |
| Molecular Formula | C28H15N3O5 |
| Molecular Weight | 473.44 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 (E)-4-(benzo[d][1,3]dioxol-5-yl)-2-(4-nitrostyryl)-5-oxo-5H-indeno[1,2-b]pyridine-3-carbonitrile.
CATO supplies (E)-4-(benzo[d][1,3]dioxol-5-yl)-2-(4-nitrostyryl)-5-oxo-5H-indeno[1,2-b]pyridine-3-carbonitrile (CAS 866142-86-1), a certified reference material (molecular formula C28H15N3O5, MW 473.44 g/mol) for analytical method development and quality control.
Structurally, (E)-4-(benzo[d][1,3]dioxol-5-yl)-2-(4-nitrostyryl)-5-oxo-5H-indeno[1,2-b]pyridine-3-carbonitrile (C28H15N3O5) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 23.0, corresponding to approximately 23 ring(s) or double-bond equivalent(s). With a molecular weight of 473.44 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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), (E)-4-(benzo[d][1,3]dioxol-5-yl)-2-(4-nitrostyryl)-5-oxo-5H-indeno[1,2-b]pyridine-3-carbonitrile 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 | C28H15N3O5 |
| Molecular Weight | 473.44 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) | 23.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 3 |
Related E Standards
- (E)-4-(benzo[d][1,3]dioxol-5-yl)-2-(3-nitrostyryl)-5-oxo-5H-indeno[1,2-b]pyridine-3-carbonitrile (CAS 866136-00-7)
- 7-(Benzo[d][1,3]dioxol-5-yl)-2-(3-(2-chloro-6-fluorophenyl)-4-methylisoxazol-5-yl)-[1,2,4]triazolo[1,5-a]pyridine-8-carbonitrile (CAS 860650-23-3)
- Methyl 2-(benzo[d][1,3]dioxole-5-carboxamido)-5-((3-chlorophenyl)carbamoyl)-4-methylthiophene-3-carboxylate (CAS 335408-34-9)
- 4-(Benzo[d]thiazol-2-ylthio)-3-nitrobenzyl (3-chlorophenyl)carbamate (CAS 338393-84-3)
- N-(Benzo[d][1,3]dioxol-5-yl)-2-((4-(4-ethoxyphenyl)-5-(pyridin-3-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 477331-29-6)
- 2-(2-(1H-Benzo[d][1,2,3]triazol-1-yl)-N-(4-ethylphenyl)acetamido)-N-(tert-butyl)-2-(thiophen-3-yl)acetamide (CAS 1033044-91-5)
- Benzo[j]phenanthridin-6(5H)-one (CAS 2413-02-7)
- 2-(((1H-benzo[d]imidazol-2-yl)methyl)thio)-6-(2,5-dimethoxyphenyl)-4-(trifluoromethyl)nicotinonitrile (CAS 939893-56-8)
Recommended Standards
- D-Folinic acid (CAS 54353-24-1)
- Methyl 5-acetamido-4-7-8-9-tetra-O-acetyl-2-6-anhydro-3-5-dideoxy-D-glycero-D-galacto-non-2-enonate (CAS 73960-72-2)
- Folic Acid Impurity 16 (CAS 68538-85-2)
- Methyl 5,7,8,9-Tetra-O-acetyl-4-acylamino-2,6-anhydro-3,4-dideoxy-D-glycero-D-galacto-2-enonate (CAS 173467-18-0)
- 3,6-Dinitronaphthalic Anhydride (CAS 3807-80-5)
- 1-(2-Amino-4-fluorophenyl)ethanone (CAS 159305-15-4)
- 3,4-Dichloro-2-methyl-1H-pyrrole (CAS 24691-23-4)
- 1-[4-Amino-7-(3-hydroxypropyl)-5-(4-methylphenyl)-7H-pyrrolo[2,3-d]pyrimidin-6-yl]-2-chloro-ethanone (CAS 821794-90-5)
- N5-(2-fluorophenyl)-[1,2,5]oxadiazolo[3,4-b]pyrazine-5,6-diamine (CAS 294873-69-1)
- 5-Bromo-N-(2-(pyrrolidin-1-yl)propyl)nicotinamide (CAS 1241067-53-7)
- (Sp)-(1R,2S,5R)-2-Isopropyl-5-methylcyclohexyl methyl phenylphosphonate (CAS 35671-02-4)
- 4-tert-Butyl 3-ethyl morpholine-3,4-dicarboxylate (CAS 1269446-42-5)
- 2,4-Difluoro-6-methylbenzamide (CAS 1803812-71-6)
- Semaglutide impurity 91 (CAS CATO-C4X-222691)
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