5-tert-Butyl 2-ethyl 3-bromo-6,7-dihydropyrazolo[1,5-a]pyrazine-2,5(4H)-dicarboxylate CAS 1301713-97-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1301713-97-2 |
| Molecular Formula | C14H20BrN3O4 |
| Molecular Weight | 374.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-tert-Butyl 2-ethyl 3-bromo-6,7-dihydropyrazolo[1,5-a]pyrazine-2,5(4H)-dicarboxylate (CAS 1301713-97-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C14H20BrN3O4. Molecular weight: 374.23 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C14H20BrN3O4 |
| Molecular Weight | 374.23 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 3 |
Recommended Standards
- O5-tert-butyl O4-ethyl 3-bromo-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazine-4,5-dicarboxylate (CAS 1250997-04-6)
- 2-Amino-5-(4-bromophenyl)-5-[(4-methoxyphenyl)methyl]-4,5-dihydro-1H-imidazol-4-one (CAS 1354918-10-7)
- O5-tert-butyl O6-ethyl 3-bromo-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazine-5,6-dicarboxylate (CAS 1250991-64-0)
- 3-[3-(3,5-Dichlorophenoxy)propyl]-3,4-dihydro-1,2,3-benzotriazin-4-one (CAS 866009-38-3)
- (E)-3-(4-ethoxyphenyl)-N-(4-fluorophenyl)acrylamide (CAS 297149-85-0)
- 5-(2,4-Bis(benzyloxy)-5-chlorophenyl)-N-ethylisoxazole-3-carboxamide (CAS 747413-05-4)
- 4-(Benzyloxy)-2,6-dibromophenol (CAS 105946-33-6)
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