Methyl 3-[4-(1,3-dioxo-2,3-dihydro-1H-inden-2-ylidene)-1,3-dioxo-6-(pyridin-2-yl)-octahydropyrrolo[3,4-c]pyrrol-2-yl]thiophene-2-carboxylate CAS 321392-09-0
| CAS No. | 321392-09-0 |
| Molecular Formula | C26H17N3O6S |
| Molecular Weight | 499.49 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Methyl 3-[4-(1,3-dioxo-2,3-dihydro-1H-inden-2-ylidene)-1,3-dioxo-6-(pyridin-2-yl)-octahydropyrrolo[3,4-c]pyrrol-2-yl]thiophene-2-carboxylate is closely related to a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
Methyl 3-[4-(1,3-dioxo-2,3-dihydro-1H-inden-2-ylidene)-1,3-dioxo-6-(pyridin-2-yl)-octahydropyrrolo[3,4-c]pyrrol-2-yl]thiophene-2-carboxylate (CAS 321392-09-0), molecular formula C26H17N3O6S and molecular weight 499.49 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Methyl 3-[4-(1,3-dioxo-2,3-dihydro-1H-inden-2-ylidene)-1,3-dioxo-6-(pyridin-2-yl)-octahydropyrrolo[3,4-c]pyrrol-2-yl]thiophene-2-carboxylate (C26H17N3O6S) 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 20.0, corresponding to approximately 20 ring(s) or double-bond equivalent(s). With a molecular weight of 499.49 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.
As a certified reference material (CRM), Methyl 3-[4-(1,3-dioxo-2,3-dihydro-1H-inden-2-ylidene)-1,3-dioxo-6-(pyridin-2-yl)-octahydropyrrolo[3,4-c]pyrrol-2-yl]thiophene-2-carboxylate 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 | C26H17N3O6S |
| Molecular Weight | 499.49 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) | 20.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Methyl Standards
- 4-(12,14-Dioxo-9,10-dihydro-9,10-[3,4]epipyrroloanthracen-13-yl)-N-(4-methoxyphenyl)benzamide (CAS 956390-05-9)
- 2-(2-(1,3-Dioxo-2,3-dihydro-1H-inden-2-yl)quinolin-6-yl)-6-methylbenzo[d]thiazole-7-sulfonic acid (CAS 16249-86-8)
- Ethyl 3-(1,3-dioxo-2,3-dihydro-1H-inden-2-ylidene)-4,6-dioxo-5-[3-(trifluoromethyl)phenyl]-octahydropyrrolo[3,4-c]pyrrole-1-carboxylate (CAS 321522-10-5)
- 2-(2,6-dioxo-3-piperidyl)-4-(7-iodoheptoxy)isoindoline-1,3-dione (CAS 2697100-43-7)
- N-[2-(2,6-dioxo-3-piperidyl)-1,3-dioxo-isoindolin-4-yl]-6-iodo-hexanamide (CAS 2349356-03-0)
- (2E)-2-{4-[2-(1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl)ethyl]-1,3-thiazol-2-yl}-3-[1-(2-methylpropyl)-1,2,3,4-tetrahydroquinolin-6-yl]prop-2-enenitrile (CAS 866019-86-5)
- Ethyl 3-(1,3-dioxo-2,3-dihydro-1H-inden-2-ylidene)-5-[2-(methoxycarbonyl)thiophen-3-yl]-4,6-dioxo-octahydropyrrolo[3,4-c]pyrrole-1-carboxylate (CAS 321522-15-0)
- N-(9,10-Dioxo-9,10-dihydroanthracen-1-yl)-4-(N,N-dipropylsulfamoyl)benzamide (CAS 325977-59-1)
Recommended Standards
- 4-Nitrobenzyl[2r-(2alpha,5beta,6alpha,7beta)]-3-methylene-8-oxo-7-(phenoxyacetamido)-5-thia-1-azabicyclo[4.2.0]octane-2-carboxylate5-oxide (CAS 60771-27-9)
- Barloxavir impurity 78 (CAS 3047099-98-6)
- 4-Nitrobenzyl 2,3,4,6-Tetra-O-acetyl-1-thio-β-D-galactopryranoside (CAS 35785-42-3)
- CNX-774 (CAS 1202759-32-7)
- N-Hexylcyclohexanamine (CAS 4746-28-5)
- 2-(5-Amino-2-benzyl-1H-benzo[d]imidazol-1-yl)ethan-1-ol dihydrochloride (CAS 1185299-75-5)
- 1-(2-Chloro-5-fluoro-4-pyrimidinyl)-4-(methoxymethyl)-6-methyl-2-oxo-1,2-dihydro-3-pyridinecarbonitrile (CAS 1266375-73-8)
- ((3aR,5R,6R,6aR)-6-Hydroxy-2,2,6-trimethyltetrahydrofuro[2,3-d][1,3]dioxol-5-yl)methyl benzoate (CAS 16831-81-5)
- BYS10-BP2 (CAS CATO-CPS-2406001)
- Acetone 2,4-Dinitrophenylhydrazone-3,5,6-d3 (CAS 259824-57-2)
- Indaconitine (CAS 4491-19-4)
- 2-Acetamido-3-ethoxy-3-oxopropanoic acid (CAS 54681-67-3)
- (S)-4-Amino-4-methylisoxazolidin-3-one (CAS 116810-11-8)
- Prolactin-Releasing Peptide (12-31) (human) (CAS 235433-36-0)
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