5,7-Dichloro-N-(2,6-dichloro-3-methylphenyl)-[1,2,4]triazolo[1,5-a]pyrimidine-2-sulfonamide CAS 134892-32-3
| CAS No. | 134892-32-3 |
| Molecular Formula | C12H7Cl4N5O2S |
| Molecular Weight | 427.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 427.09 g/mol gives 5,7-Dichloro-N-(2,6-dichloro-3-methylphenyl)-[1,2,4]triazolo[1,5-a]pyrimidine-2-sulfonamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
5,7-Dichloro-N-(2,6-dichloro-3-methylphenyl)-[1,2,4]triazolo[1,5-a]pyrimidine-2-sulfonamide (CAS 134892-32-3), molecular formula C12H7Cl4N5O2S and molecular weight 427.09 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 5,7-Dichloro-N-(2,6-dichloro-3-methylphenyl)-[1,2,4]triazolo[1,5-a]pyrimidine-2-sulfonamide (C12H7Cl4N5O2S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 427.09 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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), 5,7-Dichloro-N-(2,6-dichloro-3-methylphenyl)-[1,2,4]triazolo[1,5-a]pyrimidine-2-sulfonamide 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 | C12H7Cl4N5O2S |
| Molecular Weight | 427.09 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 1 |
Related Dichloro Standards
- (R)-3-(1-(2,6-Dichloro-3-fluorophenyl)ethoxy)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-amine (CAS 877399-49-0)
- 2,3-Dichloro-N-(3,4-dichlorophenyl)-4-(ethanesulfonyl)benzamide (CAS 477886-33-2)
- 2-((2-((2,4-Dichloro-5-(2-methoxyethoxy)phenyl)amino)-2-oxoethyl)sulfonyl)-N,N-dimethylacetamide (CAS 341965-04-6)
- 3,4-Dichloro-N-(2-(4-(4-chlorophenyl)piperazin-1-yl)-2-oxoethyl)benzamide (CAS 338419-59-3)
- Ethyl 2-(2,4-dichloro-5-(5-(4-chlorophenyl)-1H-tetrazol-1-yl)phenoxy)acetate (CAS 338961-65-2)
- 7,9-Dichloro-2-(4-methoxyphenyl)-5-(pyridin-4-yl)-5,10b-dihydro-1H-benzo[e]pyrazolo[1,5-c][1,3]oxazine (CAS 303059-72-5)
- 2,3-Dichloro-4-(ethylsulfonyl)-N-(4-(trifluoromethyl)phenyl)benzamide (CAS 477867-71-3)
- 6,7-Dichloro-2-(2,6-dichlorophenoxy)-3-(trifluoromethyl)quinoxaline (CAS 478040-14-1)
Recommended Standards
- N-(5-bromopyridin-2-yl)-N-(3-(2,6-dichlorophenyl)-5-methylisoxazol-4-yl)formamide (CAS 652965-63-4)
- 2-(2,6-Dibromo-4-formylphenoxy)-N-(m-tolyl)acetamide (CAS 792947-75-2)
- 1,1'-(Bromomethylene)Bis[2,3,4,5,6-Pentafluorobenzene] (CAS 5736-49-2)
- 2-(4-Bromobenzamido)ethyl-4-bromobenzoate (CAS 951885-58-8)
- Cromoglicate Lisetil (CAS 110816-79-0)
- 2,3-Dichloro-N-(4-(((3-(trifluoromethyl)phenyl)thio)methyl)phenyl)benzamide (CAS 338398-66-6)
- Methyl 3-((4-(hydroxymethyl)piperidin-1-yl)methyl)furan-2-carboxylate (CAS 1258698-52-0)
- 5-Methoxyisobenzofuran-1(3H)-one (CAS 4741-62-2)
- 3-(3-Formylphenyl)phenol (CAS 400745-17-7)
- 4-Chloro-2-methyl-8-trifluoromethyl-quinoline (CAS 140908-89-0)
- 2-(1-(2-Fluoroethyl)piperidin-4-yl)acetic acid (CAS 1499149-68-6)
- Ethyl 4'-(octyloxy)-[1,1'-biphenyl]-4-carboxylate (CAS 61922-31-4)
- Regaloside A (CAS 114420-66-5)
- Acetyl-Tau Peptide (244-274) (Repeat 1 Domain) trifluoroacetate salt (CAS 2022956-56-3)
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