7-Chloropyrrolo[1,2-a]pyrazin-1(2H)-one CAS 1601830-13-0
| CAS No. | 1601830-13-0 |
| Molecular Formula | C7H5ClN2O |
| Molecular Weight | 168.58 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.
7-Chloropyrrolo[1,2-a]pyrazin-1(2H)-one (CAS 1601830-13-0), molecular formula C7H5ClN2O and molecular weight 168.58 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H5ClN2O, 7-Chloropyrrolo[1,2-a]pyrazin-1(2H)-one contains an amide group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 168.58 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures 7-Chloropyrrolo[1,2-a]pyrazin-1(2H)-one 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 | C7H5ClN2O |
| Molecular Weight | 168.58 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloropyrrolo Standards
- 4-Chloropyrrolo[2,1-f][1,2,4]triazin-2-amine (CAS 1359657-06-9)
- 3-Chloropyrrolo[1,2-a]pyrimidin-8-amine (CAS 2573216-40-5)
- 1-Chloropyrrolo[1,2-d][1,2,4]triazin-4(3H)-one (CAS 2171392-87-1)
- 2-chloropyrrolo[2,1-f][1,2,4]triazine (CAS 1363383-25-8)
- 1-chloropyrrolo[1,2-a]pyrazine (CAS 136927-64-5)
- 2-chloropyrrolo[2,1-f][1,2,4]triazin-4-amine (CAS 1001353-56-5)
- 7-chloropyrrolo[2,1-f][1,2,4]triazin-4-amine (CAS 1497424-16-4)
- 4-chloropyrrolo[2,1-f][1,2,4]triazin-6-amine (CAS 2168463-27-0)
Recommended Standards
- 2-Chlorobenzofuran-7-ol (CAS 1557704-82-1)
- 7-chloro-6-methyl-[1,2,4]triazolo[1,5-a]pyrimidine (CAS 1609581-44-3)
- 2-chloro-[1,2,4]triazolo[1,5-a]pyridin-8-amine (CAS 1554455-80-9)
- 3-Chloropyrazolo[1,5-a]pyrimidin-5-amine (CAS 1610021-31-2)
- 3,4-Dibromo-5-methoxypyridine (CAS 1780570-06-0)
- Methyl 2-(2-fluoro-4,5-dihydroxyphenyl)acetate (CAS 141523-25-3)
- Methyl N-(2-ethoxyphenyl)-N-[(4-methylphenyl)sulfonyl]glycinate (CAS 333448-13-8)
- 2-Iodo-6-methoxypyridine (CAS 182275-70-3)
- 3-Chloro-6-methoxybenzisoxazole (CAS 157368-32-6)
- [(1S,2R)-3-[[(4-Nitrophenyl)sulfonyl](2-methylpropyl)amino]-2-hydroxy-1-phenylmethyl)propyl]carbamic Acid, (3S)-Tetrahydro-3-furanyl Ester (CAS 160231-69-6)
- 5-Chloro-6-ethynylpyridin-3-ol (CAS 1256789-25-9)
- 4-Methoxyphenyl 4-propylbenzoate (CAS 50649-61-1)
- Isavuconazole Impurity 195 (CAS CATO-C4X-1236195)
- Peptide 437 (CAS CATO-CPTD788437)
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