5-Sulfanyl-2,3-dihydro-1H-indol-2-one CAS 794521-56-5
| CAS No. | 794521-56-5 |
| Molecular Formula | C8H7NOS |
| Molecular Weight | 165.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
5-Sulfanyl-2,3-dihydro-1H-indol-2-one (CAS 794521-56-5) is a high-purity analytical reference standard with the molecular formula C8H7NOS and a molecular weight of 165.21 g/mol.
Structurally, 5-Sulfanyl-2,3-dihydro-1H-indol-2-one (C8H7NOS) contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 165.21 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures 5-Sulfanyl-2,3-dihydro-1H-indol-2-one 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 | C8H7NOS |
| Molecular Weight | 165.21 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Sulfanyl Standards
- 3-Sulfanyl-1λ6-thiane-1,1-dione (CAS 1341419-47-3)
- 2-sulfanyl-1,3-thiazole-4-carboxylic acid (CAS 89180-62-1)
- 2-(4-methyl-5-sulfanyl-4H-1,2,4-triazol-3-yl)ethan-1-ol (CAS 121941-90-0)
- 2-(3-Methyl-5-sulfanyl-4h-1,2,4-triazol-4-yl)acetamide (CAS 42047-30-3)
- (4-propyl-5-sulfanyl-4H-1,2,4-triazol-3-yl)methanol (CAS 497854-99-6)
- 3-(5-sulfanyl-1H-1,2,3,4-tetrazol-1-yl)propanoic acid (CAS 61197-34-0)
- ethyl 5-sulfanyl-1,3,4-oxadiazole-2-carboxylate (CAS 61320-93-2)
- methyl 2-sulfanyl-1,3-thiazole-4-carboxylate (CAS 189152-72-5)
Recommended Standards
- 5-Methylbenzoxazole-2(3H)-thione (CAS 22876-22-8)
- 6-Fluoro-1,2,3,4-tetrahydro-2-methylquinoline (CAS 42835-89-2)
- 5-Methylbenzo[d]thiazol-2(3H)-one, 97% (CAS 40925-61-9)
- 6-Fluoro-1,2,3,4-tetrahydronaphthalen-2-amine (CAS 852804-23-0)
- (2-Ethoxyethyl)diphenylphosphine oxide (CAS 4336-75-8)
- 4-(2-Aminopyrimidin-5-yl)benzoic acid (CAS 222987-21-5)
- Lenvatinib-d4 (CAS 2264050-65-7)
- 6,8-Dimethoxy-4-methyl-1-(4-phenoxyphenyl)-2,3-dihydro-1H-pyrrolo[3,2-c]quinoline (CAS 860784-79-8)
- 1-Bromo-4-chloro-2-(2-methylpropoxy)benzene (CAS 1881329-79-8)
- 3-(6-Bromopyridin-2-yl)pentanedinitrile (CAS 1956321-66-6)
- 3-Bromo-4-(methylsulfanyl)benzaldehyde (CAS 694481-10-2)
- Tricarbonyldichloro(1-isocyano-4-methoxybenzene)ruthenium (CAS 62524-39-4)
- 4-(4-Bromo-5-methyl-3-(trifluoromethyl)-1H-pyrazol-1-yl)-N-hydroxybenzamide (CAS 1706432-37-2)
- Semaglutide impurity 80 (CAS CATO-C4X-222680)
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