3,5-Dichloro-1-(3,4-dimethylphenyl)pyrazin-2(1H)-one CAS 1269530-87-1
| CAS No. | 1269530-87-1 |
| Molecular Formula | C12H10Cl2N2O |
| Molecular Weight | 269.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution, 3,5-Dichloro-1-(3,4-dimethylphenyl)pyrazin-2(1H)-one is typically pale yellow to yellow low-melting solid. Its solid-state physicochemical attributes — including a molecular weight of 269.13 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies 3,5-Dichloro-1-(3,4-dimethylphenyl)pyrazin-2(1H)-one (CAS 1269530-87-1), a certified reference material (molecular formula C12H10Cl2N2O, MW 269.13 g/mol) for analytical method development and quality control.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 3,5-Dichloro-1-(3,4-dimethylphenyl)pyrazin-2(1H)-one 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 | C12H10Cl2N2O |
| Molecular Weight | 269.13 g/mol |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Dichloro Standards
- 3,5-Dichloro-1-phenethylpyrazin-2(1H)-one (CAS 138610-68-1)
- 3,5-Dichloro-1-ethyl-6-phenylpyrazin-2(1H)-one (CAS 138610-70-5)
- 4,6-Dichloro-2-(4-methoxybenzyl)pyrimidine (CAS 16953-27-8)
- 4,5-Dichloro-2-(4-methylbenzyl)pyridazin-3(2H)-one (CAS 173843-86-2)
- 2,4-dichloro-6-(4-ethoxyphenyl)pyrimidine (CAS 881194-50-9)
- 3,5-Dichloro-4-(phenylmethoxy)phenol (CAS 186805-79-8)
- 4,6-Dichloro-5-ethyl-2-((methylsulfonyl)methyl)pyrimidine (CAS 1342617-72-4)
- 5,6-Dichloro-N-isopropylpyridine-3-sulfonamide (CAS 622339-72-4)
Recommended Standards
- (4-(3-Bromophenyl)-3,6-dihydro-2H-pyran-3-yl)methanol (CAS 1262037-91-1)
- 7-Chloro-2,1,3-benzothiadiazole-4-sulfonyl chloride (CAS 127720-93-8)
- 1-(2-Bromophenyl)hexane-1,3-dione (CAS 1250965-01-5)
- 2-(2,4-Dichlorophenyl)-3a,4,5,6-tetrahydrocyclopenta[c]pyrazol-3(2H)-one (CAS 1304083-48-4)
- 2-(3-Methoxyphenyl)-2-methylpropanoyl chloride (CAS 1514087-63-8)
- 6-Bromobenzothiophene-2-carbonitrile (CAS 1190198-24-3)
- 4,4'-Di(furan-2-yl)-6,6'-dimethyl-2,2'-bipyridine (CAS 144342-48-3)
- Ethyl 2-methylisonicotinate hydrochloride (CAS 65550-32-5)
- Methyl (R)-2-(1-((tert-butoxycarbonyl)amino)ethyl)-5-methyloxazole-4-carboxylate (CAS 343339-23-1)
- 5-Amino-1-cyclopentyl-3-ethyl-1H-pyrazole-4-carboxamide (CAS 158000-69-2)
- 30000-61-4 AR-1K5049 n2,n2-dicyclopentyl-n-(diphenylmethyl)glycinamide (CAS 30000-61-4)
- 41313-77-3 4-[Bis[2-(acetyloxy)ethyl]amino]benzaldehyde DTXSID00316890 (CAS 41313-77-3)
- N-Mesityl-2-((1-(m-tolyl)-1H-imidazol-2-yl)thio)acetamide (CAS 851131-36-7)
- Cholecystokinin Octapeptide (1-3) (desulfated) H-Asp-Tyr-Met-OH (CAS 121880-94-2)
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