(3S)- Fmoc-2-oxo-1-Pyrrolidineacetic acid CAS 143129-77-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 143129-77-5 |
| Molecular Formula | C21H20N2O5 |
| Molecular Weight | 380.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies (3S)- Fmoc-2-oxo-1-Pyrrolidineacetic acid (CAS 143129-77-5), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C21H20N2O5. Molecular weight: 380.39 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C21H20N2O5 |
| Molecular Weight | 380.39 g/mol |
| Appearance | Pale yellow to 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Nitrogen Atoms | 2 |
Related S Standards
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- Fmoc-3-(1-piperidinyl)-L-Ala-OH (CAS 2044710-95-2)
- Fmoc-<I>N</I>-Me-<SC>D</SC>-Leu-OH (CAS 103478-63-3)
- Fmoc-trans-4-aminocyclohexane acetic acid (CAS 1217650-00-4)
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- N-Fmoc-(3S)-3-amino-3-cyclopentylpropanoic acid (CAS 1260609-14-0)
Recommended Standards
- Ethyl 2-cyano-3-(3-methoxy-4-(2-oxo-2-(phenylamino)ethoxy)phenyl)acrylate (CAS 1164483-45-7)
- 2-[[3-(2-Amino-2-oxoacetyl)-2-ethyl-1-(phenylmethyl)-1H-indol-4-yl]oxy]Acetic Acid (CAS 172732-68-2)
- 2-Methoxyphenyl 2,2,7,7-tetramethyltetrahydro-5H-bis([1,3]dioxolo)[4,5-b:4',5'-d]pyran-5-carboxylate (CAS 1093406-46-2)
- 2-Cyclopropoxy-N-methyl-3-(methylthio)benzamide (CAS 1243441-10-2)
- 25144-04-1 trans-2-Methylcyclopentan-1-ol EINECS 246-652-1 (CAS 25144-04-1)
- 3-Iodo-5-methoxy-1-(phenylsulfonyl)-1H-pyrrolo[2,3-b]pyridine (CAS 923583-80-6)
- Disperse Red 1 (CAS 2872-52-8)
- 3-(Thiazolidin-3-yl)isonicotinaldehyde (CAS 1779121-52-6)
- Ethyl 6-methyl-3-oxotetrahydro-2H-pyran-2-carboxylate (CAS 115399-62-7)
- Semaglutide Impurity 155 (x TFA Salt) (CAS CATO-C4X-2226155)
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