3,6-Diaminopyrazine-2,5-dicarboxylic acid CAS 203798-34-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 203798-34-9 |
| Molecular Formula | C6H6N4O4 |
| Molecular Weight | 198.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3,6-Diaminopyrazine-2,5-dicarboxylic acid (CAS 203798-34-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H6N4O4. Molecular weight: 198.14 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C6H6N4O4 |
| Molecular Weight | 198.14 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2015 |
| Nitrogen Atoms | 4 |
Related Diaminopyrazine Standards
- 3,6-Diaminopyrazine-2,5-dicarboxamide (CAS 203798-32-7)
- Ethyl 3,5-diaminopyrazine-2-carboxylate (CAS 1785169-51-8)
- 3,6-Diaminopyrazine-2,5-dicarbonitrile (CAS 133940-72-4)
- 3,5-Diaminopyrazine-2-carboxylic acid (CAS 39939-29-2)
- 3,5-Diaminopyrazine-2-carboxamide (CAS 39870-67-2)
- 2,3-Diaminopyrazine (CAS 13134-31-1)
- 2,6-Diaminopyrazine (CAS 41536-80-5)
- 2,6-Diaminopyrazine Hydrochloride (CAS 1370411-48-5)
Recommended Standards
- 3,5-Dinitrobenzene-1,2-diamine (CAS 3694-51-7)
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- 3-(trifluoromethyl)pyrazine-2-carboxylic acid (CAS 870787-06-7)
- Methyl 2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indole-1-carboxylate (CAS 1227664-22-3)
- 2-Pentyl-2,3-dihydro-1H-inden-1-one (CAS 98190-98-8)
- 3-((2,2-Dimethylthietan-3-yl)amino)dihydrofuran-2(3H)-one (CAS 1862342-84-4)
- 4-(Thiomorpholinomethyl)benzaldehyde (CAS 1443326-83-7)
- 4-(3,5-Dichloro-2-methoxyphenyl)thiazol-2-amine (CAS 284673-69-4)
- 5-Pyrimidineethanamine (CAS 856973-36-9)
- Semaglutide（sodium salt） (CAS CATO-C4X-222619)
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