8-Chloro-3-(methylthio)imidazo[1,5-a]pyrazine CAS 851773-08-5
Purity 97%+In StockPharmaceutical Standards
| 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
8-Chloro-3-(methylthio)imidazo[1,5-a]pyrazine (CAS 851773-08-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H6ClN3S. Molecular weight: 199.66 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
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 |
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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)
- 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)
- 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)
- Semaglutide impurity 272 (CAS CATO-C4X-2226272)
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