1-(Tert-butyl) 2-methyl (2R,4R)-4-(benzyloxy)pyrrolidine-1,2-dicarboxylate CAS 250122-38-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 250122-38-4 |
| Molecular Formula | C18H25NO5 |
| Molecular Weight | 335.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
1-(Tert-butyl) 2-methyl (2R,4R)-4-(benzyloxy)pyrrolidine-1,2-dicarboxylate (CAS 250122-38-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H25NO5. Molecular weight: 335.39 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C18H25NO5 |
| Molecular Weight | 335.39 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
Recommended Standards
- (5S)-5,6-Anhydro-2,3,4-trideoxy-2-[[(phenylmethoxy)carbonyl]amino]-L-glycero-hexonic acid tert-Butyl Ester (CAS 204074-52-2)
- 2-((2S,4R)-4-(Benzyloxy)-1-(tert-butoxycarbonyl)pyrrolidin-2-yl)acetic acid (CAS 336182-08-2)
- (3R,4S)-3-(1-Ethoxyethoxy)-2-oxo-4-phenyl-1-azetidinecarboxylic Acid 1,1-Dimethylethyl Ester (CAS 201856-57-7)
- Petunidin 3-O-glucoside (CAS 71991-88-3)
- 1-(3-Amino-4-hydroxyphenyl)ethanone hydrochloride (CAS 14347-14-9)
- 2,2,6,6-Tetramethyl-2h-3,5,6-trihydropyran-4-one (CAS 1197-66-6)
- rel-(1R,6R)-6-(methoxycarbonyl)cyclohex-3-ene-1-carboxylic acid (CAS 31139-03-4)
- (R)-2-(3-(6-aminopyridin-2-yl)-4H-1,2,4-triazol-4-yl)propan-1-ol (CAS 2244922-18-5)
- Methyl 1-isopropyl-1H-benzo[d]imidazole-5-carboxylate (CAS 284672-84-0)
- Semaglutide impurity 89 (CAS CATO-C4X-222689)
Why CATO?
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