1-(4-Nitrophenyl)imidazoline-2-thione CAS 6857-35-8
| CAS No. | 6857-35-8 |
| Molecular Formula | C9H9N3O2S |
| Molecular Weight | 223.25 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.
1-(4-Nitrophenyl)imidazoline-2-thione (CAS 6857-35-8), molecular formula C9H9N3O2S and molecular weight 223.25 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 1-(4-Nitrophenyl)imidazoline-2-thione (C9H9N3O2S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 223.25 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 1-(4-Nitrophenyl)imidazoline-2-thione 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 | C9H9N3O2S |
| Molecular Weight | 223.25 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Nitrophenyl Standards
- 2-(4-Nitrophenyl)pentanoic acid (CAS 110728-99-9)
- 2-(4-Methyl-3-nitrophenyl)-1,3-dioxane (CAS 1212060-78-0)
- 2-[(4-nitrophenyl)methyl]butanoic acid (CAS 1248983-13-2)
- 2-Methyl-4-(2-nitrophenyl)butanoic acid (CAS 1343120-59-1)
- 4-Nitrophenyl Pentanoate (CAS 1956-07-6)
- 1-(2-Nitrophenyl)-3-(propan-2-yl)urea (CAS 347907-99-7)
- 1-(4-Nitrophenyl)-3-(propan-2-yl)urea (CAS 70826-97-0)
- 2-Nitrophenyl hexyl ether (CAS 67285-54-5)
Recommended Standards
- 1-(4-Fluorophenyl)isoquinoline (CAS 632335-02-5)
- 1-(5-(Furan-2-yl)-3-(methylthio)-1H-1,2,4-triazol-1-yl)ethan-1-one (CAS 61323-52-2)
- (Z)-2-(4-Fluorophenyl)-3-phenylacrylonitrile (CAS 54648-47-4)
- 1-(5-Ethyl-3-nitrothiophen-2-yl)-1H-pyrazole (CAS 501443-59-0)
- N-((2-methylcyclobutyl)methyl)propan-1-amine (CAS 1510331-62-0)
- 2-Amino-N-methoxy-N-methylbenzenesulfonamide (CAS 1156154-52-7)
- N'-hydroxybutanimidamide (CAS 1596358-15-4)
- 2-Bromo-N,N-dipropylbenzenesulfonamide (CAS 65000-11-5)
- N-(4-Acetyl-2-amino-5-hydroxyphenyl)acetamide (CAS 6607-95-0)
- 3,4-Dimethylbenzenesulfonohydrazide (CAS 725222-33-3)
- 9-((Dibenzylmethylsilyl)methyl)-9-dodecyl-9h-9-silafluorene (CAS 18846-40-7)
- Zilpaterol-d7 (CAS 1217818-36-4)
- N-Formyl-L-alanine (CAS 10512-86-4)
- Insulin Degludec impurity 4 (CAS CATO-C4X-21574)
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