4-(Hydroxyimino)tetrahydro-2H-thiopyran 1,1-dioxide CAS 99586-63-7
| CAS No. | 99586-63-7 |
| Molecular Formula | C5H9NO3S |
| Molecular Weight | 163.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 4-(Hydroxyimino)tetrahydro-2H-thiopyran 1,1-dioxide.
CATO supplies 4-(Hydroxyimino)tetrahydro-2H-thiopyran 1,1-dioxide (CAS 99586-63-7), a certified reference material (molecular formula C5H9NO3S, MW 163.19 g/mol) for analytical method development and quality control.
Structurally, 4-(Hydroxyimino)tetrahydro-2H-thiopyran 1,1-dioxide (C5H9NO3S) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 163.19 g/mol, it falls into the medium-molecular-weight range. 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.
As a certified reference material (CRM), 4-(Hydroxyimino)tetrahydro-2H-thiopyran 1,1-dioxide 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 | C5H9NO3S |
| Molecular Weight | 163.19 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 | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Hydroxyimino Standards
- (E)-2-(Hydroxyimino)-1-phenylpropan-1-one (CAS 17019-26-0)
- 1-(N-hydroxyimino)-1-phenylpropan-2-one (CAS 29024-92-8)
- 6-[(hydroxyimino)methyl]-2-oxo-1,2-dihydropyridine-3-carbonitrile (CAS 81450-61-5)
- 2-(Hydroxyimino)-N-phenylacetamide (CAS 1769-41-1)
- 1-(Hydroxyimino)-1-(pyridin-2-yl)propan-2-one (CAS 65882-98-6)
- 4-[(hydroxyimino)methyl]-N,N-dimethylaniline (CAS 37961-71-0)
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- (4-((Hydroxyimino)methyl)phenyl)boronic acid (CAS 179942-51-9)
Recommended Standards
- 3-Fluoro-4,4-dimethoxypiperidine (CAS 355006-64-3)
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- 5-Fluoro-2,3-dimethylindole (CAS 526-47-6)
- Benzo[4,5]imidazo[1,2-a]pyridin-2-amine (CAS 26067-02-7)
- (R)-3-(1-Aminoethyl)aniline dihydrochloride (CAS 1202057-39-3)
- 6-Bromomethyl-nicotinic acid hydrobromide (CAS 1965309-29-8)
- 3-Chlorobenzenamine-D3 (CAS 347840-11-3)
- 3'-Hydroxy-5,7,4'-trimethoxyflavone (CAS 33554-52-8)
- 2-Bromo-3-difluoromethoxy-5-fluorophenol (CAS 1805525-54-5)
- 6-Hydroxy-1-((2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-5-methyldihydropyrimidine-2,4(1H,3H)-dione (CAS 68509-78-4)
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- Semaglutide impurity 204 (CAS CATO-C4X-2226204)
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