tert-butyl (4S)-4-(tert-butoxycarbonylamino)-3-methyl-spiro[4,6-dihydropyrrolo[1,2-b]pyrazole-5,4'-piperidine]-1'-carboxylate CAS 2843691-00-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2843691-00-7 |
| Molecular Formula | C21H34N4O4 |
| Molecular Weight | 406.52 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
tert-butyl (4S)-4-(tert-butoxycarbonylamino)-3-methyl-spiro[4,6-dihydropyrrolo[1,2-b]pyrazole-5,4'-piperidine]-1'-carboxylate (CAS 2843691-00-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C21H34N4O4. Molecular weight: 406.52 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C21H34N4O4 |
| Molecular Weight | 406.52 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2003 |
| Nitrogen Atoms | 4 |
Recommended Standards
- tert-butyl (4S)-4-(tert-butoxycarbonylamino)-2-methyl-spiro[4,6-dihydropyrrolo[1,2-b]pyrazole-5,4'-piperidine]-1'-carboxylate (CAS 2843691-05-2)
- tert-Butyl 4-(2-(6-((tert-butoxycarbonyl)amino)pyridin-3-yl)ethyl)piperazine-1-carboxylate (CAS 2602340-75-8)
- FK-448 Free base (CAS 85858-76-0)
- Benzyl (S)-2-(trifluoromethyl)piperazine-1-carboxylate (CAS 2387560-12-3)
- tert-Butyl 2-(methoxy(methyl)carbamoyl)pyrrolidine-1-carboxylate (CAS 334872-14-9)
- 2-Methyl-3,5-diphenylpyrazolo[1,5-a]pyrimidin-7-ol (CAS 331739-46-9)
- 2-(4-Chloro-2-fluoro-5-isopropoxyphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1256360-16-3)
- 5-Bromo-1-(methylthio)-1,6-dihydropyrimidine (CAS 14001-67-4)
- 16,16'-Disulfanediylbis(hexadecan-1-ol) (CAS 112141-28-3)
- Tau Peptide (245-274) (Repeat 1 Domain) trifluoroacetate salt (CAS 1428134-39-7)
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