| CAS No. | 1935955-18-2 |
| Molecular Formula | C6H10N2O3S |
| Molecular Weight | 190.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
2-Thia-5,8-diazaspiro[3.5]Nonan-7-one 2,2-dioxide (CAS 1935955-18-2), molecular formula C6H10N2O3S and molecular weight 190.22 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, 2-Thia-5,8-diazaspiro[3.5]Nonan-7-one 2,2-dioxide is typically white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 190.22 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 2-Thia-5,8-diazaspiro[3.5]Nonan-7-one 2,2-dioxide 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.
| Molecular Formula | C6H10N2O3S |
| Molecular Weight | 190.22 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1996 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |