Isopropyl 2-(1-allyl-2-oxoindolin-3-ylidene)-7-methyl-3-oxo-5-(thiophen-2-yl)-3,5-dihydro-2H-thiazolo[3,2-a]pyrimidine-6-carboxylate CAS 618077-80-8
| CAS No. | 618077-80-8 |
| Molecular Formula | C26H23N3O4S2 |
| Molecular Weight | 505.61 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 505.61 g/mol gives Isopropyl 2-(1-allyl-2-oxoindolin-3-ylidene)-7-methyl-3-oxo-5-(thiophen-2-yl)-3,5-dihydro-2H-thiazolo[3,2-a]pyrimidine-6-carboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies Isopropyl 2-(1-allyl-2-oxoindolin-3-ylidene)-7-methyl-3-oxo-5-(thiophen-2-yl)-3,5-dihydro-2H-thiazolo[3,2-a]pyrimidine-6-carboxylate (CAS 618077-80-8), a certified reference material (molecular formula C26H23N3O4S2, MW 505.61 g/mol) for analytical method development and quality control.
Based on its molecular formula C26H23N3O4S2, Isopropyl 2-(1-allyl-2-oxoindolin-3-ylidene)-7-methyl-3-oxo-5-(thiophen-2-yl)-3,5-dihydro-2H-thiazolo[3,2-a]pyrimidine-6-carboxylate contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 505.61 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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), Isopropyl 2-(1-allyl-2-oxoindolin-3-ylidene)-7-methyl-3-oxo-5-(thiophen-2-yl)-3,5-dihydro-2H-thiazolo[3,2-a]pyrimidine-6-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 | C26H23N3O4S2 |
| Molecular Weight | 505.61 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) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |
Related Isopropyl Standards
- Isopropyl 7-methyl-3-oxo-2-(2-oxo-1-propylindolin-3-ylidene)-5-(thiophen-2-yl)-3,5-dihydro-2H-thiazolo[3,2-a]pyrimidine-6-carboxylate (CAS 618077-86-4)
- 1-Isopropyl-5-methyl-3-phenyl-2-thioxotetrahydropyrimidin-4(1H)-one (CAS 6625-60-1)
- Isopropyl 2-(1-ethyl-2-oxoindolin-3-ylidene)-7-methyl-3-oxo-5-(thiophen-2-yl)-3,5-dihydro-2H-thiazolo[3,2-a]pyrimidine-6-carboxylate (CAS 618078-14-1)
- 4-isopropyl-1-methyl-7-oxabicyclo[2.2.1]heptan-2-yl (2-chlorobenzyl)(tosyl)carbamate (CAS 1005035-27-7)
- Isopropyl 2-(1-butyl-2-oxoindolin-3-ylidene)-7-methyl-3-oxo-5-(thiophen-2-yl)-3,5-dihydro-2H-thiazolo[3,2-a]pyrimidine-6-carboxylate (CAS 618077-95-5)
- Ethyl 2-(4-(2-(1-isopropyl-3-methyl-1H-1,2,4-triazol-5-yl)-5,6-dihydrobenzo[f]imidazo[1,2-d][1,4]oxazepin-9-yl)-1H-pyrazol-1-yl)-2-methylpropanoate (CAS 1282514-64-0)
- 4-(2-(2-(2-(2-(2-Isopropyl-5-methylphenoxy)ethoxy)ethoxy)ethoxy)ethyl)morpholine (CAS 860-44-6)
- 1-Isopropyl-4-(3-methoxy-4-phenethoxyphenyl)-1H-benzofuro[3,2-b]pyrazolo[4,3-e]pyridine-3,6,7-triol (CAS 1574317-23-9)
Recommended Standards
- 2-{[6-(adamantan-1-yl)-3-cyanopyridin-2-yl]sulfanyl}-N-(6-nitro-1,3-benzothiazol-2-yl)acetamide (CAS 340817-92-7)
- N-(Benzenesulfonyl)-N-(1-benzyl-3-cyano-4,5-dimethyl-1H-pyrrol-2-yl)benzenesulfonamide (CAS 478033-05-5)
- Capromorelin (CAS 193273-66-4)
- Triphenyl(trityl)phosphonium (CAS 48234-64-6)
- (S)-1-Amino-5-((trityloxy)methyl)pyrrolidin-2-one (CAS 1190392-77-8)
- 4,4,5,5-Tetramethyl-2-(spiro[fluorene-9,9'-xanthen]-4-yl)-1,3,2-dioxaborolane (CAS 1609484-75-4)
- (5,7-Dibromobenzofuran-2-yl)(phenyl)methanone (CAS 75630-71-6)
- Duloxetine Impurity 18 (CAS 1384080-56-1)
- 1-(1H-Benzo[d]imidazol-1-yl)ethanol (CAS 60636-58-0)
- 9-Oxo-3-azaspiro[5.5]undec-7-ene-8-carbonitrile hydrochloride (CAS 2758306-70-4)
- N-Butyl-4-chloro-N-(4-methyloxazol-2-yl)butanamide (CAS 57068-72-1)
- 1,1-Difluoro-5-azaspiro[2.4]heptane (CAS 1215166-77-0)
- Citalopram Impurity 23 (CAS 390817-87-5)
- Semaglutide impurity 73 (CAS CATO-C4X-222673)
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