5-(O-tolyl)-1H-1,2,4-triazole-3-thiol CAS 54294-18-7
| CAS No. | 54294-18-7 |
| Molecular Formula | C9H9N3S |
| Molecular Weight | 191.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 5-(O-tolyl)-1H-1,2,4-triazole-3-thiol is closely related to a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
5-(O-tolyl)-1H-1,2,4-triazole-3-thiol (CAS 54294-18-7) is a high-purity analytical reference standard with the molecular formula C9H9N3S and a molecular weight of 191.25 g/mol.
Structurally, 5-(O-tolyl)-1H-1,2,4-triazole-3-thiol (C9H9N3S) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality. 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 191.25 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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), 5-(O-tolyl)-1H-1,2,4-triazole-3-thiol 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 | C9H9N3S |
| Molecular Weight | 191.25 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related O Standards
- 3-(p-tolyl)-1,2,4-thiadiazol-5-amine (CAS 898651-92-8)
- 5-(M-tolyl)-1H-1,2,4-triazole-3-thiol (CAS 75218-27-8)
- 5-(o-Tolyl)-1,3,4-thiadiazol-2-amine (CAS 59565-54-7)
- (1-(o-Tolyl)pyrrolidin-3-yl)methanol (CAS 1017444-74-4)
- 4-(O-tolyl)tetrahydro-2H-pyran-4-amine (CAS 1094341-11-3)
- 4-(m-Tolyl)tetrahydro-2H-pyran-4-amine (CAS 1094686-38-0)
- 4-(P-tolyl)tetrahydro-2H-pyran-4-amine (CAS 1097780-82-9)
- 2-(P-tolyl)tetrahydro-2h-pyran-3-amine (CAS 1375473-96-3)
Recommended Standards
- 5,7-Diaminoquinoline-8-thiol (CAS 653570-17-3)
- 5-benzyl-2,3-dihydro-1H-1,2,4-triazole-3-thione (CAS 28384-40-9)
- 5-(Methylthio)quinolin-8-ol (CAS 37596-96-6)
- 5-Cyclopropylthieno[2,3-d]pyrimidin-4-amine (CAS 952958-80-4)
- (2-Butoxyphenyl)-N-(4-methoxybenzyl)methanamine (CAS 1040686-41-6)
- 3-Bromo-[1,1'-biphenyl]-4,4'-diamine (CAS 108238-11-5)
- 2-Chloro-5-(trifluoromethyl)pyridine-4-acetonitrile (CAS 1227577-94-7)
- 2,2-Dimethyl-3-(3-methylpiperidine-1-carbonyl)cyclopropane-1-carboxylic acid (CAS 1186654-05-6)
- 4-O-(b-D-Galactopyranosyl)-D-glucosamine (CAS 13000-25-4)
- 4-Cyclopropoxy-2-nitro-1-(trifluoromethyl)benzene (CAS 1243407-75-1)
- 1-(3-Bromopropyl)-4,4-difluoropiperidine hydrobromide (CAS 2138232-64-9)
- Ethyl (2R)-2-methoxypropanoate (CAS 40105-20-2)
- [3-(ethylsulfamoyl)phenyl]boronic acid (CAS 871329-76-9)
- Glu17-Semaglutide (CAS CATO-C4X-2226209)
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