1-(Pyridin-2-yl)-3-(o-tolyl)thiourea CAS 21487-27-4
| CAS No. | 21487-27-4 |
| Molecular Formula | C13H13N3S |
| Molecular Weight | 243.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 243.33 g/mol gives 1-(Pyridin-2-yl)-3-(o-tolyl)thiourea distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
1-(Pyridin-2-yl)-3-(o-tolyl)thiourea (CAS 21487-27-4) is a high-purity analytical reference standard with the molecular formula C13H13N3S and a molecular weight of 243.33 g/mol.
1-(Pyridin-2-yl)-3-(o-tolyl)thiourea (C13H13N3S) 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. 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.
As a certified reference material (CRM), 1-(Pyridin-2-yl)-3-(o-tolyl)thiourea 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 | C13H13N3S |
| Molecular Weight | 243.33 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Pyridin Standards
- 1-Phenyl-3-(pyridin-2-ylmethyl)thiourea (CAS 75160-54-2)
- 1-Phenyl-3-[(pyridin-3-yl)methyl]thiourea (CAS 201215-93-2)
- 1-Phenyl-3-(pyridin-2-ylthio)propan-1-one (CAS 860785-88-2)
- S-Pyridin-2-yl 3-phenylpropanethioate (CAS 43125-15-1)
- 2-(Bis(pyridin-2-ylmethyl)amino)ethanol (CAS 149860-22-0)
- 6-((Pyridin-2-ylmethyl)thio)-7H-purine (CAS 82499-10-3)
- N-(Pyridin-3-yl)morpholine-4-sulfonamide (CAS 838888-48-5)
- 2-(4-Methyl-pyridin-2-ylsulfanylmethyl)-pyrrolidine-1-carboxylic acid tert-butyl ester (CAS 1389313-27-2)
Recommended Standards
- 1-(3,5-Dimethyl-1H-pyrazole-4-sulfonyl)-piperidine (CAS 91141-46-7)
- 1-methyl-2-[(4-methyl-1,3-thiazol-2-yl)methyl]-1H-benzimidazole (CAS 61690-08-2)
- 1-(1-Methylpyridin-2(1H)-ylidene)-3-phenylthiourea (CAS 77607-96-6)
- 1-((1-((Methylsulfonyl)methyl)cyclobutyl)methyl)-1H-pyrazol-4-amine (CAS 2839891-86-8)
- 4-[(4-methoxyphenyl)methyl]-1,3-thiazol-2-amine (CAS 91350-53-7)
- Diethyl pyridine-2,5-dicarboxylate (CAS 5552-44-3)
- 5-Bromo-4-methylpyridazin-3-amine (CAS 1638759-55-3)
- 4-Amino-5,8-difluoroquinoline-3-carboxylic acid (CAS 1242260-55-4)
- 15-Hydroxy Lubiprostone (CAS 475992-30-4)
- 3-Chloro-N-(4-chloro-2-methylphenyl)benzamide (CAS 116681-98-2)
- 5-Methyl-N-(5-(thiophen-2-yl)-1,3,4-oxadiazol-2-yl)isoxazole-3-carboxamide (CAS 946357-12-6)
- 2-(5-Phenyl-1H-pyrazol-1-yl)-4-(thiophen-2-yl)-1,3-thiazole (CAS 956371-34-9)
- 5-(Benzyloxy)-4-chloro-2-methylpyridazin-3(2H)-one (CAS 88093-84-9)
- Peptide Impurity 13 (CAS CATO-CPTD788813)
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