3-(3-(Methylthio)-1,4-diphenyl-1H-pyrazol-5-yl)pyridine CAS 871110-17-7
| CAS No. | 871110-17-7 |
| Molecular Formula | C21H17N3S |
| Molecular Weight | 343.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
CATO supplies 3-(3-(Methylthio)-1,4-diphenyl-1H-pyrazol-5-yl)pyridine (CAS 871110-17-7), a certified reference material (molecular formula C21H17N3S, MW 343.44 g/mol) for analytical method development and quality control.
Based on its molecular formula C21H17N3S, 3-(3-(Methylthio)-1,4-diphenyl-1H-pyrazol-5-yl)pyridine contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 343.44 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C21H17N3S |
| Molecular Weight | 343.44 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Methylthio Standards
- 3-(5-(Methylthio)-1,4-diphenyl-1H-pyrazol-3-yl)pyridine (CAS 871110-02-0)
- [(Methylthio)[[2-nitro-5-(propylthio)phenyl]amino]methylene]carbamic Acid Methyl Ester (CAS 88255-00-9)
- (2-(Methylthio)phenyl)(7-phenyl-1,4-thiazepan-4-yl)methanone (CAS 1797737-58-6)
- (3-(Methylthio)-8-azabicyclo[3.2.1]octan-8-yl)(4-(thiophen-3-yl)phenyl)methanone (CAS 1798490-96-6)
- (2-(Methylthio)phenyl)(2-(thiomorpholinomethyl)phenyl)methanone (CAS 898781-66-3)
- 2-(Methylthio)-5,7-bis(trifluoromethyl)pyrazolo[1,5-a]pyrimidine-3-carboxamide (CAS 175203-36-8)
- 3-(Methylthio)-1,4,5-triphenyl-1H-pyrazole (CAS 871110-16-6)
- 5-(Methylthio)-1,3,4-triphenyl-1H-pyrazole (CAS 475094-43-0)
Recommended Standards
- 2-[(2-Methoxyphenyl)sulfanyl]-3-phenylquinoline (CAS 339013-93-3)
- 2-[(2-Aminophenyl)sulfanyl]-N-[4-(morpholin-4-yl)phenyl]acetamide (CAS 866049-54-9)
- 3-Amino-N-cyclohexyl-5-oxo-5,6,7,8-tetrahydrothieno[2,3-b]quinoline-2-carboxamide (CAS 442557-68-8)
- 2,6-Dimethyl-4-[2-(phenylsulfanyl)acetyl]phenyl N,N-dimethylcarbamate (CAS 339101-02-9)
- 6-(γ,γ-Dimethylallylamino)purine-d6 (CAS 175733-28-5)
- Methyl 3-amino-5-methoxy-4-(methylamino)benzoate (CAS 2101332-52-7)
- tert-Butyl 3-[(3-chlorophenyl)methyl]-3-hydroxypyrrolidine-1-carboxylate (CAS 1427380-78-6)
- trans-2-(4-Thiomethylbenzoyl)cyclopentane-1-carboxylic acid (CAS 1439908-16-3)
- Clavulanic acid Impurity 14 (CAS 20485-44-3)
- 1-Chloro-4-difluoromethanesulfonyl-2-nitrobenzene (CAS 2488-54-2)
- 2,6-Difluoro-4-(1H-pyrazol-3-yl)phenol (CAS 1803574-06-2)
- (s)-2-Amino-2-(2-fluoro-4-methoxyphenyl)ethan-1-ol (CAS 1213444-86-0)
- L-Arabinose hydrazone (CAS 816-01-3)
- Semaglutide Impurity 21(HO-Ste-L-γGlu-AEEA-AEEA-OH) (CAS 1335440-44-2)
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