3,6-Diaminopyrazine-2,5-dicarboxamide CAS 203798-32-7
| CAS No. | 203798-32-7 |
| Molecular Formula | C6H8N6O2 |
| Molecular Weight | 196.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3,6-Diaminopyrazine-2,5-dicarboxamide (CAS 203798-32-7), molecular formula C6H8N6O2 and molecular weight 196.17 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3,6-Diaminopyrazine-2,5-dicarboxamide (C6H8N6O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. 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 196.17 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
CATO manufactures 3,6-Diaminopyrazine-2,5-dicarboxamide under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C6H8N6O2 |
| Molecular Weight | 196.17 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 DMSO, DMF, methanol |
| 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 | 6 |
Related Diaminopyrazine Standards
- 3,6-Diaminopyrazine-2,5-dicarboxylic acid (CAS 203798-34-9)
- 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
- 3,3,3-Trifluoro-1-(piperazin-1-yl)propan-1-one (CAS 926208-79-9)
- 3-Fluoro-5-(trifluoromethyl)benzenethiol (CAS 917246-23-2)
- 2-Fluoro-5-(trifluoromethyl)benzenethiol (CAS 304901-48-2)
- 4-(Trifluoromethoxy)cyclohexanecarbaldehyde (CAS 2231673-69-9)
- (1r)-1-(3-Bromo-4-fluorophenyl)ethan-1-ol (CAS 1212136-05-4)
- N-(3-Aminophenyl)-3-isopropoxybenzamide (CAS 1020054-51-6)
- n,3-Diethylaniline (CAS 101415-17-2)
- tert-Butyl (5-hydroxypentyl)(methyl)carbamate (CAS 1373210-02-6)
- trans-2,6-dimethylmorpholine hydrochloride (CAS 59229-61-7)
- 2-Fluoro-3-methoxy-4-(methylthio)pyridine (CAS 2624417-42-9)
- D6-(±)-Jasmonic acid methyl ester (99.2 ATOM% D) (CAS 139435-18-0)
- 1'-(Tert-butyl) 6-methyl 5-methyl-2H-spiro[benzofuran-3,4'-piperidine]-1',6-dicarboxylate (CAS 2989289-35-0)
- 4-Bromo-2-chloromethylbenzo[d]thiazole, 97% (CAS 1188168-47-9)
- [14-31]-Semaglutide (CAS CATO-C4X-2226262)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com