o-((5-Chlorothiophen-2-yl)methyl)hydroxylamine CAS 66233-91-8
| CAS No. | 66233-91-8 |
| Molecular Formula | C5H6ClNOS |
| Molecular Weight | 163.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
o-((5-Chlorothiophen-2-yl)methyl)hydroxylamine (CAS 66233-91-8) is a high-purity analytical reference standard with the molecular formula C5H6ClNOS and a molecular weight of 163.63 g/mol.
o-((5-Chlorothiophen-2-yl)methyl)hydroxylamine (C5H6ClNOS) contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO manufactures o-((5-Chlorothiophen-2-yl)methyl)hydroxylamine 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 | C5H6ClNOS |
| Molecular Weight | 163.63 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1975 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related o Standards
- (R)-1-(5-Chlorothiophen-2-yl)ethan-1-ol (CAS 105026-71-9)
- (1s)-1-(5-Chlorothiophen-2-yl)ethan-1-ol (CAS 111216-61-6)
- 1-(5-Chlorothiophen-2-yl)ethan-1-ol (CAS 125712-84-7)
- 2-(5-Chlorothiophen-3-yl)ethanol (CAS 1370046-91-5)
- 2-(4-Chlorothiophen-2-yl)ethan-1-ol (CAS 1370047-44-1)
- (R)-1-(4-Chlorothiophen-3-yl)ethan-1-ol (CAS 2290825-03-3)
- (S)-1-(4-Chlorothiophen-3-yl)ethan-1-ol (CAS 2290756-35-1)
- [(5-Chlorothiophen-2-yl)methyl]hydrazine (CAS 887592-42-9)
Recommended Standards
- 5-(chloromethyl)-3-methoxy-1,2-thiazole (CAS 91989-71-8)
- 3722AF 5-(Chloromethyl)-2-methoxy-1,3-thiazole 937655-07-7 C5H6ClNOS (CAS 937655-07-7)
- 4-chloro-N,N-dimethyl-1,2,5-thiadiazol-3-amine (CAS 937675-08-6)
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