O-(3-chlorophenyl)hydroxylamine CAS 74993-54-7
| CAS No. | 74993-54-7 |
| Molecular Formula | C6H6ClNO |
| Molecular Weight | 143.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies O-(3-chlorophenyl)hydroxylamine (CAS 74993-54-7), a certified reference material (molecular formula C6H6ClNO, MW 143.57 g/mol) for analytical method development and quality control.
Structurally, O-(3-chlorophenyl)hydroxylamine (C6H6ClNO) contains an amide group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 143.57 g/mol, it falls into the low-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.
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 O-(3-chlorophenyl)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 | C6H6ClNO |
| Molecular Weight | 143.57 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1978 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related O Standards
- N-(2-Chlorophenyl)hydroxylamine (CAS 10468-16-3)
- O-(2-chlorophenyl)hydroxylamine (CAS 99907-85-4)
- O-(4-chlorophenyl)hydroxylamine (CAS 36637-30-6)
- 3'-Chlorophenyl acetylene 1-chloro-3-ethynylbenzene 1-chloro-3-ethynyl-benzene 3-chloro-1-ethynylbenzene 3-chlorophenylacetylene 3'-chlorophenylacetylene 766-83-6 (CAS 766-83-6)
- 4'-Chlorophenyl acetylene 4-chlorophenylacetylene 1-chloro-4-phenylacetylene 1-chloro-4-ethynylbenzene 1-chloro-4-ethynyl-benzene 873-73-4 (CAS 873-73-4)
- (2-Chlorophenyl)hydrazine (CAS 10449-07-7)
- (3-Chlorophenyl)hydrazine (CAS 14763-20-3)
- (3-Chlorophenyl)methanamine (CAS 4152-90-3)
Recommended Standards
- N-Methyl-2-furancarboximidoyl chloride (CAS 6521-33-1)
- 4-chlorophenylhydroxylamine (CAS 823-86-9)
- C-(5-Chloropyrimidin-2-yl)methylamine (CAS 426266-77-5)
- (5-chloro-3-pyridinyl)methanol (5-chloropyridin-3-yl)methanol 22620-34-4 A4839 (CAS 22620-34-4)
- 3,4-dicyclopropylazetidin-2-one (CAS 1849393-35-6)
- 5-Chloro-1-cyclohexyl-3-methyl-1H-pyrazole (CAS 29938-69-0)
- 2,3-Dichloro-4-(trifluoromethyl)pyridine (CAS 89719-93-7)
- (Z)-N'-Hydroxy-2-(1H-pyrrol-1-yl)benzene-1-carboximidamide (CAS 866131-65-9)
- 6-Methyl-8-phenyl-3H-purin-2-amine (CAS 802565-79-3)
- (6-chloro-3H-imidazo[4,5-c]pyridin-2-yl)methanol (CAS 1352880-58-0)
- (S)-2-(aminomethyl)pentanoic acid (CAS 537041-95-5)
- (9-Methylfluoranthen-3-yl)boronic acid (CAS 359012-64-9)
- 2,3,13,14-Tetrabromo-6,7,9,10,17,18-hexahydrodibenzo[b,h][1,4,7,10,13]penta (CAS 302929-47-1)
- Semaglutide Impurity 18 (CAS 1671100-14-3)
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