4-(3,4-Dimethoxyphenyl)-2-methyl-3-(methylthio)-2,3-dihydro-1H-pyrrolo[3,4-c]pyridine-1,6(5H)-dione CAS 1269528-79-1
| CAS No. | 1269528-79-1 |
| Molecular Formula | C17H18N2O4S |
| Molecular Weight | 346.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 4-(3,4-Dimethoxyphenyl)-2-methyl-3-(methylthio)-2,3-dihydro-1H-pyrrolo[3,4-c]pyridine-1,6(5H)-dione 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.
4-(3,4-Dimethoxyphenyl)-2-methyl-3-(methylthio)-2,3-dihydro-1H-pyrrolo[3,4-c]pyridine-1,6(5H)-dione (CAS 1269528-79-1), molecular formula C17H18N2O4S and molecular weight 346.40 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-(3,4-Dimethoxyphenyl)-2-methyl-3-(methylthio)-2,3-dihydro-1H-pyrrolo[3,4-c]pyridine-1,6(5H)-dione (C17H18N2O4S) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 346.40 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.
Physical & Chemical Properties
| Molecular Formula | C17H18N2O4S |
| Molecular Weight | 346.40 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Dimethoxyphenyl Standards
- 2-(3-(3,4-Dimethoxyphenyl)-1H-pyrazol-5-yl)naphthalen-1-ol (CAS 371213-22-8)
- 3-(2,4-Dimethoxyphenyl)-3-phenylisobenzofuran-1(3H)-one (CAS 79930-53-3)
- (R)-2-(3-(3-(3,4-dimethoxyphenyl)-1-hydroxypropyl)phenoxy)acetic acid (CAS 215169-00-9)
- 3,3-Bis(3,4-dimethoxyphenyl)propanoic acid (CAS 6256-05-9)
- 1-(2,3-Dimethoxyphenyl)-3-(5-(thiophen-2-yl)-1,3,4-oxadiazol-2-yl)urea (CAS 1286720-31-7)
- 2-(5-(3,4-Dimethoxyphenyl)-4-oxothieno[2,3-d]pyrimidin-3(4H)-yl)acetic acid (CAS 439140-53-1)
- 3-((2,5-Dimethoxyphenyl)sulfonyl)-2H-chromen-2-one (CAS 866346-80-7)
- 3-((3,4-Dimethoxyphenyl)sulfonyl)-2H-chromen-2-one (CAS 866347-83-3)
Recommended Standards
- 5-Amino-3'-(pyrrolidin-1-ylsulfonyl)-[1,1'-biphenyl]-3-carboxylic acid (CAS 1261972-01-3)
- (2-(Pyridin-3-ylamino)thiazol-4-yl)(1,4-dioxa-8-azaspiro[4.5]decan-8-yl)methanone (CAS 1286727-07-8)
- 5-Amino-4'-(pyrrolidin-1-ylsulfonyl)-[1,1'-biphenyl]-3-carboxylic acid (CAS 1261916-35-1)
- Defluoro Levofloxacin-d3 (CAS 1329836-14-7)
- 2-(2,5-Dimethoxyphenyl)imidazo[1,2-a]pyrimidine (CAS 143696-73-5)
- 1,4,8,11-Tetraazabicyclo[6.6.2]hexadecane (CAS 130701-19-8)
- 6-Bromo-4-chlorothieno[3,2-d]pyrimidine, 97% (CAS 225385-03-5)
- Ethyl 2-amino-3,4,5-trifluorobenzoate (CAS 1184500-46-6)
- Peramivir Impurity N33 (CAS 316173-27-0)
- 7-Chloroquinoline-4-boronic acid (CAS 936940-92-0)
- Dapoxetine Impurity 29 (CAS CATO-C4X-143929)
- 2-(2-bromoethoxy)propanenitrile (CAS 854679-28-0)
- (1-Cyclopentyl-1h-1,2,3-triazol-4-yl)methanamine (CAS 1249780-65-1)
- Insulin Degludec Impurity 11 (CAS CATO-C4X-215711)
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