4-(Phenylamino)quinazoline-2(1h)-thione CAS 35696-83-4
| CAS No. | 35696-83-4 |
| Molecular Formula | C14H11N3S |
| Molecular Weight | 253.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(Phenylamino)quinazoline-2(1h)-thione (C14H11N3S) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality. Its high carbon-to-hydrogen ratio confers good lipid solubility; 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.
4-(Phenylamino)quinazoline-2(1h)-thione (CAS 35696-83-4) is a high-purity analytical reference standard with the molecular formula C14H11N3S and a molecular weight of 253.32 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), 4-(Phenylamino)quinazoline-2(1h)-thione 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 | C14H11N3S |
| Molecular Weight | 253.32 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1967 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Phenylamino Standards
- (3Z)-3-[(Phenylamino)methylidene]-1,3-dihydro-2-benzothiophen-1-one (CAS 1164546-11-5)
- 1-Methyl-3-(phenylamino)-2,3-dihydroquinazolin-4(1H)-one (CAS 95757-92-9)
- 3-Phenyl-4-(phenylamino)-1H-1,2,4-triazol-5(4H)-one (CAS 57735-14-5)
- 1-((Phenylamino)methyl)-1H-benzo[d]imidazole-2(3H)-thione (CAS 63771-06-2)
- 3-Methyl-2-(phenylamino)quinazolin-4(3H)-one (CAS 14505-32-9)
- 1-Methyl-4-(phenylamino)quinazolin-2(1H)-one (CAS 92554-69-3)
- 1-Phenyl-2-(phenylamino)-1H-imidazol-4(5H)-one (CAS 33532-91-1)
- 1-Phenyl-3-(phenylamino)-1H-pyrazol-5(4H)-one (CAS 7186-66-5)
Recommended Standards
- 4-(Cyclohexylthio)-3-nitrophenol (CAS 2444046-13-1)
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- Ethyl 2-((2,6-dimethoxyphenyl)amino)-2-oxoacetate (CAS 17894-49-4)
- 2-Amino-2-(3-hydroxyphenyl)acetic acid hydrochloride (CAS 81017-73-4)
- 1-((4-Bromophenyl)(pyridin-2-yl)methyl)piperazine (CAS 512164-34-0)
- (S)-1-(4,6-Dimethylpyrimidin-2-yl)pyrrolidin-3-ol (CAS 1261235-46-4)
- 1-(4-ethylphenyl)-1H,4H,5H,6H-cyclopenta[c]pyrazole-3-carboxylic acid (CAS 926204-51-5)
- 5,6-Bis(4-methoxyphenyl)-2,3-dihydroimidazo[2,1-b]thiazole (CAS 64997-22-4)
- 4-Ethoxy-3,5-dimethoxybenzaldehyde (CAS 39075-25-7)
- Semaglutide impurity 274 (CAS CATO-C4X-2226274)
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