5-(5-Chloropyridin-2-yl)-2,4-dihydro-3H-1,2,4-triazol-3-imine CAS 168893-69-4
| CAS No. | 168893-69-4 |
| Molecular Formula | C7H6ClN5 |
| Molecular Weight | 195.61 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 5-(5-Chloropyridin-2-yl)-2,4-dihydro-3H-1,2,4-triazol-3-imine.
CATO supplies 5-(5-Chloropyridin-2-yl)-2,4-dihydro-3H-1,2,4-triazol-3-imine (CAS 168893-69-4), a certified reference material (molecular formula C7H6ClN5, MW 195.61 g/mol) for analytical method development and quality control.
Structurally, 5-(5-Chloropyridin-2-yl)-2,4-dihydro-3H-1,2,4-triazol-3-imine (C7H6ClN5) contains a nitrile group, chlorine substitution, an aromatic ring system. 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 195.61 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.
CATO manufactures 5-(5-Chloropyridin-2-yl)-2,4-dihydro-3H-1,2,4-triazol-3-imine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C7H6ClN5 |
| Molecular Weight | 195.61 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; 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.) | 2005 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 5 |
Related Chloropyridin Standards
- 1-(6-chloropyridin-2-yl)-1H-pyrazol-5-ol (CAS 1007030-95-6)
- n-(5-Chloropyridin-2-yl)-2-cyanoacetamide (CAS 157141-56-5)
- 2-(6-Chloropyridin-3-yl)-5-methyl-1,3,4-oxadiazole (CAS 70291-28-0)
- 3-(2-Chloropyridin-3-yl)-5-methyl-1,2,4-oxadiazole (CAS 890095-57-5)
- Methyl 3-(5-chloropyridin-2-yl)prop-2-ynoate (CAS 1343259-58-4)
- 2-((2-Chloropyridin-3-yl)amino)-2-methylpropanenitrile (CAS 151414-95-8)
- (2-Chloropyridin-4-yl)(cyclobutyl)methanone (CAS 898785-15-4)
- 5-(3-Chloropyridin-4-yl)-1,3,4-oxadiazol-2-amine (CAS 1461707-78-7)
Recommended Standards
- 5-(3-Chlorophenyl)-1,3,4-oxadiazol-2-amine (CAS 1673-45-6)
- 2-Chloro-4-(1,2,4-oxadiazol-5-yl)aniline (CAS 1703808-94-9)
- 2'-Chlorospiro[cyclopropane-1,5'-pyrrolo[2,3-d]pyrimidin]-6'(7'H)-one (CAS 1651891-59-6)
- 6-Chloro-5-(1H-pyrrol-1-yl)pyrimidin-4-ol (CAS 1708295-29-7)
- 2-((4-Oxo-6-propyl-1,4-dihydropyrimidin-2-yl)thio)acetamide (CAS 56605-39-1)
- 2-Amino-1-(3,4-difluorophenyl)ethanol (CAS 10145-04-7)
- tert-Butyl (S)-(5,5-dimethylpiperidin-3-yl)carbamate (CAS 1932582-19-8)
- 1-(5-Amino-1-tert-butyl-1H-pyrazol-4-yl)ethanone (CAS 856860-19-0)
- 1-(4-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)piperazin-1-yl)-2-(piperidin-1-yl)ethan-1-one (CAS 338979-21-8)
- Methyl 3-{[2-nitro-2-(phenylsulfonyl)vinyl]amino}benzenecarboxylate (CAS 477864-69-0)
- 4-Amino-1,2-dimethylpiperidine-4-carboxylic acid (CAS 1259055-68-9)
- 2-(4-Hydroxy-7-(4-methoxyphenoxy)isoquinoline-3-carboxamido)acetic acid (CAS 808118-62-9)
- 2-Amino-3-(4-fluorophenyl)-3-hydroxypropanoic acid (CAS 322-03-2)
- (Des-His1,Glu?)-Glucagon (1-29) amide (human, rat, porcine) (CAS 110084-95-2)
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