8-Chloro-3-(methylthio)imidazo[1,5-a]pyrazine CAS 851773-08-5
| CAS No. | 851773-08-5 |
| Molecular Formula | C7H6ClN3S |
| Molecular Weight | 199.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
8-Chloro-3-(methylthio)imidazo[1,5-a]pyrazine (CAS 851773-08-5) is a high-purity analytical reference standard with the molecular formula C7H6ClN3S and a molecular weight of 199.66 g/mol.
8-Chloro-3-(methylthio)imidazo[1,5-a]pyrazine (C7H6ClN3S) contains a nitrile group, sulfur-containing functionality, chlorine substitution, an aromatic ring system. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO manufactures 8-Chloro-3-(methylthio)imidazo[1,5-a]pyrazine 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 | C7H6ClN3S |
| Molecular Weight | 199.66 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Chloro Standards
- 8-Chloro-2H-benzo[b][1,4]thiazin-3(4H)-one (CAS 100638-21-9)
- 6-Chloro-2-Methylthieno[3,2-d]pyrimidin-4-amine (CAS 1017789-18-2)
- 3-Chloro-4-methoxy-1,2-benzisothiazole (CAS 103486-06-2)
- 3-Chloro-6-methoxy-1,2-benzothiazole (CAS 103486-07-3)
- 6-Chloro-2-(methylthio)benzo[d]oxazole (CAS 1071296-64-4)
- 4-chloro-2-(methylsulfanyl)pyrrolo[2,1-f][1,2,4]triazine (CAS 1120214-78-9)
- 4-Chloro-2-methyl-6-(methylthio)pyrimidine-5-carbonitrile (CAS 112969-42-3)
- 2-Chloro-7-methoxybenzo[d]thiazole (CAS 1175277-80-1)
Recommended Standards
- 7-Chlorothieno[3,4-c]pyridine-1,3-diamine (CAS 35435-50-8)
- Benazolin-ethyl Impurity 15 (CAS 73762-91-1)
- 7-chloro-5-methoxythieno[3,2-b]pyridine (CAS 74695-46-8)
- 5-Chloro-2-methoxyphenyl isothiocyanate 4-chloro-2-isothiocyanato-1-methoxy-benzene 4-chloro-2-isothiocyanato-1-methoxybenzene 2-Methoxy-5-chlorophenyl isothiocyanate 63429-99-2 (CAS 63429-99-2)
- 1-(4-Bromophenyl)-7-hydroxy-5-oxo-4,5-dihydro-1H-pyrrolo[3,2-b]pyridine-6-carbonitrile (CAS 1272672-02-2)
- (2R,3S,4S)-5-(((2R,3R,4R,5S)-5-((((2R,3R,4R,5S)-5-((((2R,3R,4R,5S)-5-((((2R,3R,4R,5S)-5-((((2R,3R,4R,5S)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)oxy)methyl)-3,4-dihydroxytetrahydrofuran-2-yl)oxy)methyl)-3,4-dihydroxytetrahydrofuran-2-yl)oxy)methyl)-3,4-dihydroxytetrahydrofuran-2-yl)oxy)methyl)-3,4-dihydroxytetrahydrofuran-2-yl)oxy)-2,3,4-trihydroxypentanal (CAS 190852-26-7)
- 1-((4-Methoxy-4-methylpentan-2-yl)amino)-2-methylpropan-2-ol (CAS 1481287-95-9)
- 6-Amino-4-(aminomethyl)-5-(difluoromethyl)pyridin-3-ol (CAS 1805951-75-0)
- 3-(1-(Difluoromethyl)-1h-pyrazol-3-yl)-6,7,8,9-tetrahydro-5h-[1,2,4]triazolo[4,3-a]azepine (CAS 1174884-34-4)
- 1-(3,4,5-trichlorophenyl)piperazine hydrochloride (CAS 1909316-37-5)
- Eldecalcitol Impurity 59 (CAS CATO-C4X-214059)
- 1,1,1,2,2,3-Hexafluoro-5-iodo-3-(trifluoromethyl)nonane (CAS 239464-01-8)
- 3-Chloro-4,5,6,7-tetrahydro-2H-indazole (CAS 933747-50-3)
- Semaglutide impurity 272 (CAS CATO-C4X-2226272)
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