(R)-2,5-Dioxopyrrolidin-1-yl 2-((tert-butoxycarbonyl)amino)-3-((4-methylbenzyl)thio)propanoate CAS 140842-91-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 140842-91-7 |
| Molecular Formula | C20H26N2O6S |
| Molecular Weight | 422.50 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(R)-2,5-Dioxopyrrolidin-1-yl 2-((tert-butoxycarbonyl)amino)-3-((4-methylbenzyl)thio)propanoate (CAS 140842-91-7) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C20H26N2O6S. Molecular weight: 422.50 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C20H26N2O6S |
| Molecular Weight | 422.50 g/mol |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related R Standards
- (S)-2,5-Dioxopyrrolidin-1-yl 2-((tert-butoxycarbonyl)amino)-3-((4-methylbenzyl)thio)propanoate (CAS 90545-10-1)
- 2,5-Dioxopyrrolidin-1-yl 4-((2-(1,3-dioxoisoindolin-2-yl)ethyl)disulfanyl)butanoate (CAS 1190203-91-8)
- Bis(2,5-dioxopyrrolidin-1-yl) dodecanedioate (CAS 75472-90-1)
- 2,5-Dioxopyrrolidin-1-yl 4-(chlorodiphenylmethyl)benzoate (CAS 164168-40-5)
- 19-((2,5-Dioxopyrrolidin-1-yl)oxy)-19-oxononadecanoic acid (CAS 2103921-63-5)
- 2,5-Dioxopyrrolidin-1-yl 3-(5,5-difluoro-1,3,7,9-tetramethyl-5H-4l4,5l4-dipyrrolo[1,2-c:2',1'-f][1,3,2]diazaborinin-10-yl)propanoate (CAS 216961-98-7)
- 2,5-Dioxopyrrolidin-1-yl 4-(5-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamido)butanoate (CAS 258289-54-2)
- 2,5-Dioxopyrrolidin-1-yl 3-(2-(3-(pyridin-2-yldisulfanyl)propanamido)ethoxy)propanoate (CAS 2517899-59-9)
Recommended Standards
- 3-(3,5-Dimethoxyphenyl)-5-(5-(((3-methylbenzyl)thio)methyl)furan-2-yl)-1,2,4-oxadiazole (CAS 1114908-82-5)
- (2,5-Dihydroxyphenyl)bis(4-phenylbutyl)phosphine oxide (CAS 1420991-98-5)
- n-({2-[(methylsulfamoyl)methyl]phenyl}methyl)-9h-xanthene-9-carboxamide (CAS 1089596-29-1)
- 3-(Cyclohexanesulfonyl)-2-hydroxy-2-methyl-N-[3-(trifluoromethyl)phenyl]propanamide (CAS 339275-91-1)
- Ethyl 4-((2-hydroxyethyl)amino)-2-(methylthio)pyrimidine-5-carboxylate (CAS 34750-55-5)
- 5-Amino-3-propylbenzo[d]oxazol-2(3h)-one (CAS 1018630-30-2)
- tert-Butyl (trans-4-((6-chloro-2-(methylthio)pyrimidin-4-yl)amino)cyclohexyl)carbamate (CAS 1289386-25-9)
- (4E)-3-Phenyl-4-{[(thiophen-2-ylmethyl)amino]methylidene}-4,5-dihydro-1H-pyrazol-5-one (CAS 240116-00-1)
- (2-[(4,6-Dimethylpyrimidin-2-yl)amino]-1,3-thiazol-4-yl)acetic acid (CAS 1248907-60-9)
- Semaglutide impurity 208 (CAS CATO-C4X-2226208)
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 13829788188 / jacky.chen@cato-chem.com