(Tert-butoxycarbonyl)-L-phenylalanyl-L-leucine CAS 33014-68-5
| CAS No. | 33014-68-5 |
| Molecular Formula | C20H30N2O5 |
| Molecular Weight | 378.46 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, (Tert-butoxycarbonyl)-L-phenylalanyl-L-leucine is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 378.46 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
(Tert-butoxycarbonyl)-L-phenylalanyl-L-leucine (CAS 33014-68-5), molecular formula C20H30N2O5 and molecular weight 378.46 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 (Tert-butoxycarbonyl)-L-phenylalanyl-L-leucine 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 | C20H30N2O5 |
| Molecular Weight | 378.46 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 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.) | 1966 |
| Nitrogen Atoms | 2 |
Related Tert Standards
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- [(tert-Butoxycarbonyl)amino](4-iodophenyl)acetic acid (CAS 1259984-95-6)
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Recommended Standards
- (S)-2-((S)-2-((tert-Butoxycarbonyl)amino)-4-methylpentanamido)-3-phenylpropanoic acid (CAS 26055-05-0)
- 1-(2,4-Dimethoxy-3-methylbenzenesulfinyl)-4-(2-fluorophenyl)piperazine (CAS 338981-91-2)
- (2S,3S)-2-((2S,3S)-2-(((Benzyloxy)carbonyl)amino)-3-methylpentanamido)-3-methylpentanoic acid (CAS 42538-01-2)
- 1-(5-Hexyl-2,4-dihydroxyphenyl)-2-(1-phenyl-1H-pyrazol-4-yl)ethanone (CAS 61033-96-3)
- 1-((1,4-Dioxa-8-azaspiro[4.5]decan-8-yl)methyl)cyclohexan-1-ol (CAS 1427698-43-8)
- N-(4,5-dimethyl-1H-imidazol-2-yl)acetamide (CAS 40639-97-2)
- 2-((2-Chlorophenyl)thio)benzaldehyde (CAS 947188-17-2)
- 4-(Adamantan-1-yl)-2-chloroaniline (CAS 85911-33-7)
- 2-(Phenylthio)ethanethioamide (CAS 59865-82-6)
- 2,5-Dimethylpyrrole-3-carbonitrile (CAS 26187-29-1)
- Loratadine Impurity 97 (CAS CATO-C4X-142697)
- 5-(2-Chlorophenyl)thiophene-2-carbaldehyde (CAS 356570-11-1)
- bicyclo[2.2.1]hept-5-en-2-one (CAS 694-98-4)
- Liraglutide Impurity 25 (CAS CATO-C4X-199225)
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