3,8-Dichloroimidazo[1,2-a]pyrazine CAS 76537-30-9
| CAS No. | 76537-30-9 |
| Molecular Formula | C6H3Cl2N3 |
| Molecular Weight | 188.01 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.
3,8-Dichloroimidazo[1,2-a]pyrazine (CAS 76537-30-9), molecular formula C6H3Cl2N3 and molecular weight 188.01 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3,8-Dichloroimidazo[1,2-a]pyrazine (C6H3Cl2N3) contains a nitrile group, chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 188.01 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a certified reference material (CRM), 3,8-Dichloroimidazo[1,2-a]pyrazine 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 | C6H3Cl2N3 |
| Molecular Weight | 188.01 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| 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.) | 1978 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Dichloroimidazo Standards
- 2,6-Dichloroimidazo[1,2-b]pyridazine (CAS 112581-77-8)
- 6,8-Dichloroimidazo[1,2-b]pyridazine (CAS 1161847-29-5)
- 5,8-Dichloroimidazo[1,2-a]pyrazine (CAS 117719-19-4)
- 6,8-Dichloroimidazo[1,2-a]pyrazine (CAS 1245645-38-8)
- 2,5-Dichloroimidazo[4,5-b]pyridine (CAS 438190-90-0)
- 3,6-Dichloroimidazo[1,2-a]pyrazine (CAS 76537-32-1)
- 3,6-Dichloroimidazo[1,2-b]pyridazine (CAS 40972-42-7)
- 4,6-Dichloroimidazo[4,5-c]pyridine (CAS 2589-12-0)
Recommended Standards
- 3,8-dichloro-[1,2,4]triazolo[4,3-a]pyridine (CAS 22841-86-7)
- 3-Amino-2,6-dichloroisonicotinonitrile (CAS 912772-88-4)
- 3,7-Dichloro-2H-pyrazolo[3,4-c]pyridine (CAS 957760-09-7)
- 4,5-Dichloropyrrolo[2,1-f][1,2,4]triazine (CAS 888720-61-4)
- n-(3,4-Dimethylphenyl)-3-oxobutanamide (CAS 50334-96-8)
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- 1-Bromo-5-fluoropentane (CAS 407-97-6)
- (3-(1-Phenyl-1H-benzo[d]imidazol-2-yl)phenyl)boronic acid (CAS 1214723-26-8)
- 4-Fluoro-5-methyl-2-nitroaniline (CAS 97389-10-1)
- methyl (1,1-dioxidotetrahydro-2h-thiopyran-4-yl)acetate (CAS 1419101-16-8)
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- Ara-cytidine-5'-triphosphate (ara-CTP) (aqueous solution) (CAS 13191-15-6)
- Peptide Impurity 28 (CAS 1350456-64-2)
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