3-Chloro-5,7-dihydro-6H-pyrrolo[2,3-b]pyrazin-6-one CAS 1823922-40-2
| CAS No. | 1823922-40-2 |
| Molecular Formula | C6H4ClN3O |
| Molecular Weight | 169.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 169.57 g/mol gives 3-Chloro-5,7-dihydro-6H-pyrrolo[2,3-b]pyrazin-6-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-Chloro-5,7-dihydro-6H-pyrrolo[2,3-b]pyrazin-6-one (CAS 1823922-40-2), molecular formula C6H4ClN3O and molecular weight 169.57 g/mol, is a CATO reference standard with documented purity and traceability.
3-Chloro-5,7-dihydro-6H-pyrrolo[2,3-b]pyrazin-6-one (C6H4ClN3O) contains an amide group, a hydroxyl group, an ether linkage, 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. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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), 3-Chloro-5,7-dihydro-6H-pyrrolo[2,3-b]pyrazin-6-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 | C6H4ClN3O |
| Molecular Weight | 169.57 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.) | 1995 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Chloro Standards
- 7-chloro-1H-pyrazolo[4,3-d]pyrimidin-5-amine (CAS 1086398-36-8)
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Recommended Standards
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- 4,6-Diamino-2-chloro-5-pyrimidinecarbonitrile (CAS 18340-56-2)
- 2-(Methylthio)quinoline-3-carbaldehyde (CAS 65183-33-7)
- N1-((4-(2-Amino-2-oxoacetamido)phenyl)sulfonyl)oxalamide (CAS 81717-24-0)
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- 1,3-Diethyl 2-{[(2-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]amino}ethyl)amino]methylidene}propanedioate (CAS 337920-38-4)
- H-Ala-Leu-OH (CAS 3303-34-2)
- n-(3-(Trifluoromethyl)benzyl)cyclopropanamine (CAS 16065-24-0)
- 1-(2-Methylthiazol-4-yl)cyclopropanamine (CAS 1159733-49-9)
- Ethyl 1-((3-chloro-5-(trifluoromethyl)pyridin-2-yl)methyl)-3-methyl-1H-pyrazole-5-carboxylate (CAS 1351479-11-2)
- 1-[2-(4-chloropyrido[2,3-d]pyrimidin-6-yl)ethynyl]cyclopentanol (CAS 2525755-30-8)
- Delicious Peptide (bovine) (CAS 73984-05-1)
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