2-(1-Ethyl-2-oxoindolin-3-ylidene)-6-phenyl-2H-thiazolo[3,2-b][1,2,4]triazine-3,7-dione CAS 607384-96-3
| CAS No. | 607384-96-3 |
| Molecular Formula | C21H14N4O3S |
| Molecular Weight | 402.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 402.43 g/mol gives 2-(1-Ethyl-2-oxoindolin-3-ylidene)-6-phenyl-2H-thiazolo[3,2-b][1,2,4]triazine-3,7-dione distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-(1-Ethyl-2-oxoindolin-3-ylidene)-6-phenyl-2H-thiazolo[3,2-b][1,2,4]triazine-3,7-dione (CAS 607384-96-3) is a high-purity analytical reference standard with the molecular formula C21H14N4O3S and a molecular weight of 402.43 g/mol.
Based on its molecular formula C21H14N4O3S, 2-(1-Ethyl-2-oxoindolin-3-ylidene)-6-phenyl-2H-thiazolo[3,2-b][1,2,4]triazine-3,7-dione 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 402.43 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
CATO manufactures 2-(1-Ethyl-2-oxoindolin-3-ylidene)-6-phenyl-2H-thiazolo[3,2-b][1,2,4]triazine-3,7-dione 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 | C21H14N4O3S |
| Molecular Weight | 402.43 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 | 4 |
| Sulfur Atoms | 1 |
Related Ethyl Standards
- 3-(5-(1-Methyl-2-oxoindolin-3-ylidene)-4-oxo-2-thioxothiazolidin-3-yl)benzoic acid (CAS 306322-09-8)
- 2-(1-Methyl-2-oxoindolin-3-ylidene)-6-phenyl-2H-thiazolo[3,2-b][1,2,4]triazine-3,7-dione (CAS 607384-94-1)
- 6-(5-(1-Acetyl-2-oxoindolin-3-ylidene)-4-oxo-2-thioxothiazolidin-3-yl)hexanoic acid (CAS 300816-71-1)
- 4-(4-Oxo-5-(2-oxoindolin-3-ylidene)-2-thioxothiazolidin-3-yl)benzoic acid (CAS 305376-86-7)
- 1-Benzyl-2-oxoindolin-3-yl 4-chlorobenzoate (CAS 400076-66-6)
- 2-(1-Butyl-2-oxoindolin-3-ylidene)-6-phenyl-2H-thiazolo[3,2-b][1,2,4]triazine-3,7-dione (CAS 607385-06-8)
- 5-(1-Ethyl-2-oxoindolin-3-ylidene)-2-(4-isopropoxyphenyl)thiazolo[3,2-b][1,2,4]triazol-6(5H)-one (CAS 371212-46-3)
- 5-(1-Methyl-2-oxoindolin-3-ylidene)-2-thioxo-3-(m-tolyl)thiazolidin-4-one (CAS 312935-65-2)
Recommended Standards
- 2-((5-((2,6-Dioxo-1,2,3,6-tetrahydropyrimidin-4-yl)methyl)-4-(4-ethoxyphenyl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 852153-48-1)
- 4-((5-((4-Nitrophenyl)sulfonyl)-1,3,4-thiadiazol-2-yl)amino)-4-thioxobutanoic acid (CAS 6969-59-1)
- Iguratimod Impurity 41 (CAS CATO-C4X-182641)
- 1142215-39-1 9461AC C21H26N2O6 [(2-{[2-(3,4-Dimethoxyphenyl)ethyl]amino}-2-oxoethyl)(4-methoxyphenyl)amino]acetic acid (CAS 1142215-39-1)
- 2-(1-Chloroethyl)-6-methoxynaphthalene (CAS 72775-41-8)
- (S)-4-(Hydroxymethyl)-5,5-dimethyloxazolidin-2-one (CAS 1453083-41-4)
- N-[1-(4-chlorophenyl)ethyl]cyclopropanamine hydrochloride (CAS 1193390-25-8)
- 5-(3,4-Diethoxyphenyl)-3-(3-fluorophenyl)-1H-1,2,4-triazole (CAS 1416343-91-3)
- N-(3-Amino-4-chlorophenyl)-2-(3-methylphenoxy)-acetamide (CAS 953736-03-3)
- 5-Chlorobenzo[b]thiophen-3-amine (CAS 1378658-41-3)
- Itraconazole Impurity 56 (CAS CATO-C4X-149756)
- 4-(2-(4-Methylpiperazin-1-yl)thiazol-4-yl)benzene-1,2-diol (CAS 875471-69-5)
- [1-(3-aminopyridin-2-yl)piperidin-4-yl]methanol (CAS 1094233-96-1)
- Semaglutide impurity 25 (CAS CATO-C4X-222625)
Why CATO?
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