1-(4-Nitrophenyl)-3-phenylthiourea CAS 7669-49-0
| CAS No. | 7669-49-0 |
| Molecular Formula | C13H11N3O2S |
| Molecular Weight | 273.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 1-(4-Nitrophenyl)-3-phenylthiourea (C13H11N3O2S) 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 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 273.31 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
1-(4-Nitrophenyl)-3-phenylthiourea (CAS 7669-49-0) is a high-purity analytical reference standard with the molecular formula C13H11N3O2S and a molecular weight of 273.31 g/mol.
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.
As a certified reference material (CRM), 1-(4-Nitrophenyl)-3-phenylthiourea 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 | C13H11N3O2S |
| Molecular Weight | 273.31 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1959 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Nitrophenyl Standards
- 1-(2-Nitrophenyl)-3-phenylthiourea (CAS 72602-73-4)
- 3-(((1-(4-Nitrophenyl)-1H-pyrrol-2-yl)methylene)amino)propan-1-ol (CAS 333774-25-7)
- 3-(4-Nitrophenyl)adamantan-1-ol (CAS 42009-76-7)
- 6-(3-Nitrophenyl)-[1,2,4]triazolo[4,3-b]pyridazine-3(2H)-thione (CAS 1225716-17-5)
- 3-(3-Nitrophenyl)-5-(thiophen-2-yl)-1,2,4-oxadiazole (CAS 218144-79-7)
- 3-(4-Nitrophenyl)-5-(thiophen-2-yl)-1,2,4-oxadiazole (CAS 54608-96-7)
- 3-(4-Nitrophenyl)isothiazolo[5,4-d]pyrimidin-4-amine (CAS 605660-65-9)
- 6-(3-Nitrophenyl)imidazo[2,1-b]thiazole-5-carbaldehyde (CAS 808139-95-9)
Recommended Standards
- 1-(4-Methoxyphenyl)-6-(methylthio)-4-oxo-1,4-dihydropyrimidine-5-carbonitrile (CAS 950272-26-1)
- 1-(Phenylsulfonyl)-1H-indol-4-ol (CAS 95969-13-4)
- 1-(3-Nitro-4-(phenylthio)phenyl)ethan-1-one (CAS 92163-78-5)
- 1,3-Dimethyl-6-(thiophen-2-yl)-1h-pyrazolo[3,4-b]pyridine-4-carboxylic acid (CAS 893645-77-7)
- 4-(Difluoromethyl)-6-hydroxy-5-methoxynicotinaldehyde (CAS 1807127-61-2)
- (R)-1-(2-Aminoethyl)-N-isopropyl-N-methylpiperidin-3-amine (CAS 1354010-21-1)
- 3-(5-Methylfuran-2-yl)-4,5-dihydro-1H-pyrazole (CAS 90006-92-1)
- 2'-Hydroxy-5'-Methoxyacetophenone (CAS 705-15-7)
- Flunarizine Impurity 26 (CAS 144917-53-3)
- [6-(4-Isoxazol-5-yl-phenyl)-4-trifluoromethyl-pyridin-2-yl]-dimethyl-amine (CAS 1311280-04-2)
- (4Z)-4-({[2-chloro-5-(trifluoromethyl)phenyl]amino}methylidene)-2-[(2,4-dichlorophenyl)methoxy]-1,2,3,4-tetrahydroisoquinoline-1,3-dione (CAS 338396-47-7)
- 7-Bromo-4-fluoroisoquinolin-1(2H)-one (CAS 956700-15-5)
- 3-[3-(methylsulfanyl)-4h-1,2,4-triazol-4-yl]aniline (CAS 1000933-40-3)
- Semaglutide-d5 (CAS CATO-C4X-2226153)
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