2-Iodo-3-methoxy-5-methylpyrazine CAS 1935893-05-2
| CAS No. | 1935893-05-2 |
| Molecular Formula | C6H7IN2O |
| Molecular Weight | 250.04 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 2-Iodo-3-methoxy-5-methylpyrazine (C6H7IN2O) contains an amide group, a hydroxyl group, an ether linkage, iodine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 250.04 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
2-Iodo-3-methoxy-5-methylpyrazine (CAS 1935893-05-2) is a high-purity analytical reference standard with the molecular formula C6H7IN2O and a molecular weight of 250.04 g/mol.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C6H7IN2O |
| Molecular Weight | 250.04 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | I-containing |
| Nitrogen Atoms | 2 |
Related Iodo Standards
- 2-Iodo-6-methoxypyridin-3-amine (CAS 1045856-91-4)
- 5-Iodo-4-methoxy-6-methylpyrimidine (CAS 107166-94-9)
- 5-Iodo-2-methoxy-4-methylpyrimidine (CAS 1239112-06-1)
- 1-(3-Iodo-1-methyl-1H-pyrazol-4-yl)ethanone (CAS 1269440-50-7)
- 6-iodo-2-methoxypyridin-3-amine (CAS 1310949-50-8)
- 4-Iodo-1-(oxetan-3-yl)-1h-pyrazole (CAS 1314393-99-1)
- 1-(4-Iodo-1H-pyrazol-1-yl)propan-2-one (CAS 1343366-12-0)
- 1-(4-Iodo-1-methyl-1H-pyrazol-3-yl)ethanone (CAS 1354704-20-3)
Recommended Standards
- 5-Iodo-6-methylpyrimidine-2,4-diamine (CAS 189810-94-4)
- 2-Iodo-5-methoxy-3-methylpyrazine (CAS 1935931-97-7)
- 3-Iodo-5-methoxypyridin-2-amine (CAS 1823935-70-1)
- 1-(3-Iodopyrazin-2-yl)ethanol (CAS 212471-28-8)
- 2-Bromo-7-chloro-5-((2,3-difluorobenzyl)thio)thiazolo[4,5-d]pyrimidine (CAS 333743-68-3)
- 2,3-Dimethyl-4-hydroxymethylphenylboronic acid (CAS 1451391-38-0)
- Carbonochloridic acid, 2-bromo-3-pyridinyl ester (CAS 1169939-52-9)
- Pyrrolo[2,1-b]thiazole-6-carboxylic acid (CAS 956293-18-8)
- 4-(2-Thiophen-2-yl-benzyl)-tetrahydro-pyran-4-carboxylic acid (CAS 1316221-73-4)
- 2-(5-Chlorobenzo[d]isoxazol-3-yl)acetic acid (CAS 59899-91-1)
- n-(1-Hydroxypropan-2-yl)-3-(2-oxothiazolidin-3-yl)propanamide (CAS 1155909-46-8)
- 2,6-Diamino-3-(2,3,5-trichlorophenyl)-pyrazine (CAS 212778-82-0)
- Ibrutinib Impurity 24 (CAS 330785-90-5)
- a2,3-Sialylglycopeptide (CAS 189035-43-6)
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