(2S,4R)-1-(tert-butoxycarbonyl)-4-(2-cyanobenzyl)pyrrolidine-2-carboxylic acid CAS 959573-33-2
| CAS No. | 959573-33-2 |
| Molecular Formula | C18H22N2O4 |
| Molecular Weight | 330.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, (2S,4R)-1-(tert-butoxycarbonyl)-4-(2-cyanobenzyl)pyrrolidine-2-carboxylic acid (C18H22N2O4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 330.38 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
(2S,4R)-1-(tert-butoxycarbonyl)-4-(2-cyanobenzyl)pyrrolidine-2-carboxylic acid (CAS 959573-33-2), molecular formula C18H22N2O4 and molecular weight 330.38 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures (2S,4R)-1-(tert-butoxycarbonyl)-4-(2-cyanobenzyl)pyrrolidine-2-carboxylic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C18H22N2O4 |
| Molecular Weight | 330.38 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 2 |
Recommended Standards
- (2-(Benzyloxy)phenyl)(3-phenyloxiran-2-yl)methanone (CAS 4537-39-7)
- (2S,4R)-1-(tert-Butoxycarbonyl)-4-(3-cyanobenzyl)pyrrolidine-2-carboxylic acid (CAS 959582-18-4)
- N1-([1,1'-Biphenyl]-2-yl)-N2-benzyloxalamide (CAS 1909333-78-3)
- (2S,4S)-1-(tert-Butoxycarbonyl)-4-((tert-butoxycarbonyl)amino)pyrrolidine-2-carboxylic acid (CAS 254881-69-1)
- Ethyl 6-methyl-2-oxo-4-(m-tolyl)-1,2,3,4-tetrahydropyrimidine-5-carboxylate (CAS 356773-71-2)
- 4-(3-Methoxycarbonylphenyl)-2-methylphenol (CAS 627906-50-7)
- 2-Bromo-1-(difluoromethyl)-4-fluorobenzene (CAS 845866-81-1)
- 2,5,6-Trichloro-1H-indole-3-carbaldehyde (CAS 800400-47-9)
- endo-BCN-O-PNB (CAS 1263166-91-1)
- Irinotecan Impurity 28 (CAS CATO-C4X-166728)
- 6-Oxa-1-thiaspiro[2.5]octane (CAS 86847-94-1)
- 1-(Cyclopropylmethyl)-1H-pyrazole-5-boronic acid, dihydrate (CAS 2096334-18-6)
- 1-(4-Chlorobenzoyl)piperidin-3-amine hydrochloride (CAS 1158378-96-1)
- Tirzepatide Impurity 23 X TFA Salt (CAS CATO-C4X-324023)
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