3,5,6-Trichloropyrazine-2-carbonitrile CAS 30818-40-7
| CAS No. | 30818-40-7 |
| Molecular Formula | C5Cl3N3 |
| Molecular Weight | 208.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 208.43 g/mol gives 3,5,6-Trichloropyrazine-2-carbonitrile distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3,5,6-Trichloropyrazine-2-carbonitrile (CAS 30818-40-7) is a high-purity analytical reference standard with the molecular formula C5Cl3N3 and a molecular weight of 208.43 g/mol.
Structurally, 3,5,6-Trichloropyrazine-2-carbonitrile (C5Cl3N3) contains a nitrile group, chlorine substitution. 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 208.43 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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), 3,5,6-Trichloropyrazine-2-carbonitrile 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 | C5Cl3N3 |
| Molecular Weight | 208.43 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 |
| CAS Registry Year (est.) | 1965 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Trichloropyrazine Standards
Recommended Standards
- 2,4,6-Trichloro-5-cyanopyrimidine (CAS 3029-64-9)
- 2-Bromo-6-chloropyridin-3-ol (CAS 1020253-16-0)
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- 2-(2,2,3,3,3-Pentafluoropropoxy)ethan-1-ol (CAS 757-08-4)
- (3s)-2,3-Dihydro-1-benzothiophen-3-ol (CAS 168159-02-2)
- 4-fluoronaphthalene-2-carboxylic acid (CAS 13772-61-7)
- N-Benzyl-1-(4-methyl-1,3-thiazol-2-yl)methanaminedihydrochloride (CAS 1332530-26-3)
- n-(1-Phenylpropyl)benzamide (CAS 2698-80-8)
- Methyl 2-[(5-sulfanyl-1,3,4-thiadiazol-2-yl)sulfanyl]acetate (CAS 62770-08-5)
- 1-[4-(5-Bromo-pyridin-3-ylmethyl)-azepan-1-yl]-ethanone (CAS 1316227-45-8)
- (Tyr?)-C-Peptide (human) (CAS 57327-90-9)
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