(S)-3-(4-(tert-Butoxy)phenyl)-2-((tert-butoxycarbonyl)(methyl)amino)propanoic acid CAS 66638-37-7
| CAS No. | 66638-37-7 |
| Molecular Formula | C19H29NO5 |
| Molecular Weight | 351.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
(S)-3-(4-(tert-Butoxy)phenyl)-2-((tert-butoxycarbonyl)(methyl)amino)propanoic acid (CAS 66638-37-7), molecular formula C19H29NO5 and molecular weight 351.44 g/mol, is a CATO reference standard with documented purity and traceability.
(S)-3-(4-(tert-Butoxy)phenyl)-2-((tert-butoxycarbonyl)(methyl)amino)propanoic acid (C19H29NO5) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures (S)-3-(4-(tert-Butoxy)phenyl)-2-((tert-butoxycarbonyl)(methyl)amino)propanoic 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 | C19H29NO5 |
| Molecular Weight | 351.44 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1976 |
| Nitrogen Atoms | 1 |
Recommended Standards
- (S)-2-methylbutyl 3-(4-((4-methoxybenzylidene)amino)phenyl)acrylate (CAS 24140-30-5)
- 1-(4-Isopropyl-3-methylphenyl)-5-oxo-N-(pyridin-3-ylmethyl)pyrrolidine-3-carboxamide (CAS 866153-55-1)
- (E)-3-allyl-2-thioxo-5-(3,4,5-trimethoxybenzylidene)thiazolidin-4-one (CAS 299904-48-6)
- 1-(Benzo[d][1,3]dioxol-5-yl)-3-((4-cyclohexylphenyl)amino)propan-1-one (CAS 882748-71-2)
- 2-((tert-Butoxycarbonyl)amino)-2,2-dicyclobutylacetic acid (CAS 1879039-27-6)
- 12-Aminododecyl Methanethiosulfonate HCl (CAS 1246816-18-1)
- 3-(4-(4-Methoxyphenyl)piperazin-1-yl)-3-oxopropanenitrile (CAS 524926-44-1)
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- Methyl 5,6,7,8-tetrahydro-4H-thiazolo[5,4-b]azepine-2-carboxylate (CAS 128069-60-3)
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- tert-Butyl spiro[indole-3,4'-piperidine]-1'-carboxylate (CAS 1167055-93-7)
- Semaglutide impurity 89 (CAS CATO-C4X-222689)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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