Tert-butyl 3-amino-6-methyl-6,7-dihydropyrazolo[1,5-a]pyrazine-5(4H)-carboxylate CAS 2227205-82-3
| CAS No. | 2227205-82-3 |
| Molecular Formula | C12H20N4O2 |
| Molecular Weight | 252.31 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.
Tert-butyl 3-amino-6-methyl-6,7-dihydropyrazolo[1,5-a]pyrazine-5(4H)-carboxylate (CAS 2227205-82-3), molecular formula C12H20N4O2 and molecular weight 252.31 g/mol, is a CATO reference standard with documented purity and traceability.
Tert-butyl 3-amino-6-methyl-6,7-dihydropyrazolo[1,5-a]pyrazine-5(4H)-carboxylate (C12H20N4O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), Tert-butyl 3-amino-6-methyl-6,7-dihydropyrazolo[1,5-a]pyrazine-5(4H)-carboxylate 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 | C12H20N4O2 |
| Molecular Weight | 252.31 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
| Nitrogen Atoms | 4 |
Recommended Standards
- Tert-butyl 3-amino-6,6-dimethyl-4,6-dihydropyrrolo[3,4-c]pyrazole-5(3H)-carboxylate (CAS 398491-61-9)
- tert-Butyl 4-amino-3-methoxybenzylcarbamate (CAS 401573-38-4)
- tert-Butyl 3-amino-6,6-dimethyl-4,6-dihydropyrrolo[3,4-c]pyrazole-5(2H)-carboxylate (CAS 718632-44-1)
- Tert-butyl 4-cyano-2,2,4-trimethyl-3-oxopyrrolidine-1-carboxylate (CAS 2306262-43-9)
- 2-Methyl-3-methoxyBenzoylchloride (CAS 24487-91-0)
- 2,3-Dihydro-1H-imidazole-4,5-dicarboxylic acid (CAS 610265-04-8)
- 2,3-Dimethyl 5-(4-nitrophenyl)methyl 4H,6H,7H-pyrazolo[1,5-a]pyrazine-2,3,5-tricarboxylate (CAS 1820619-25-7)
- 3-((3-Fluorobenzyl)thio)-5-(p-tolyl)-4H-1,2,4-triazol-4-amine (CAS 676581-20-7)
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- 2-Benzyl-1,2,3,4-tetrahydro-benzo[b][1,6]naphthyridine-10-carboxylic acid (CAS 99117-21-2)
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- 3-Bromo-2,4-dichloro-6,8-dimethoxyquinoline (CAS 1447961-48-9)
- Des-Ser32-Tirzepatide (CAS CATO-CPTD788942)
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