Racemic-(1S,3S,4S,5R)-2-(tert-butoxycarbonyl)-5-hydroxy-2-azabicyclo[2.2.1]heptane-3-carboxylic acid CAS 1272757-86-4
| CAS No. | 1272757-86-4 |
| Molecular Formula | C12H19NO5 |
| Molecular Weight | 257.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), Racemic-(1S,3S,4S,5R)-2-(tert-butoxycarbonyl)-5-hydroxy-2-azabicyclo[2.2.1]heptane-3-carboxylic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Racemic-(1S,3S,4S,5R)-2-(tert-butoxycarbonyl)-5-hydroxy-2-azabicyclo[2.2.1]heptane-3-carboxylic acid (CAS 1272757-86-4), molecular formula C12H19NO5 and molecular weight 257.28 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of Racemic-(1S,3S,4S,5R)-2-(tert-butoxycarbonyl)-5-hydroxy-2-azabicyclo[2.2.1]heptane-3-carboxylic acid (C12H19NO5) is characterized by an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C12H19NO5 |
| Molecular Weight | 257.28 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; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 1 |
Related Racemic Standards
- Racemic-(1R,5S,6R)-3-(Tert-Butoxycarbonyl)-8-Oxa-3-Azabicyclo[3.2.1]Octane-6-Carboxylic Acid (CAS 1290627-57-4)
- Racemic-(3S,3aS,6aS)-tert-butyl 3-(2-hydroxyethyl)tetrahydro-2h-furo[2,3-c]pyrrole-5(3H)-carboxylate (CAS 1273564-96-7)
- Racemic-(3R,3aR,7aR)-tert-butyl 3-(aminomethyl)hexahydrofuro[3,4-c]pyridine-5(3H)-carboxylate (CAS 1350475-45-4)
- Racemic-(1S,3S,4S,5R)-2-(Tert-Butoxycarbonyl)-5-Fluoro-2-Azabicyclo[2.2.1]Heptane-3-Carboxylic Acid (CAS 1272757-14-8)
- Racemic-(3aR,4S,7aS)-tert-butyl 4-(aminomethyl)hexahydro-1H-isoindole-2(3H)-carboxylate (CAS 1250993-62-4)
- Racemic carbidopa ethyl ester (CAS 91908-71-3)
- Racemic-benzyl (1S,6S)-3-azabicyclo[4.1.0]heptan-1-ylcarbamate (CAS 1341037-94-2)
- Racemic-(5aR,9aR)-tert-butyl 5-oxooctahydropyrido[4,3-f][1,4]oxazepine-8(2H)-carboxylate (CAS 1445951-28-9)
Recommended Standards
- 2-(1-(Tert-butoxycarbonyl)-4-oxopiperidin-3-yl)acetic acid (CAS 1259224-14-0)
- (3R,3aS,6aS)-5-(tert-Butoxycarbonyl)hexahydro-2H-furo[2,3-c]pyrrole-3-carboxylic acid (CAS 1273566-11-2)
- 5,5,7,9-Tetramethyl-1H,5H-[1,3]oxazino[5,4,3-ij]-quinoline-1,3-dione (CAS 1256628-14-4)
- (3S,3aS,6aS)-5-(tert-Butoxycarbonyl)hexahydro-2H-furo[2,3-c]pyrrole-3-carboxylic acid (CAS 1273566-32-7)
- 2-(3-Hydroxyphenoxy)propanamide (CAS 1152572-45-6)
- 3-(4-Bromobenzyl)-5-phenyl-1,2,4-oxadiazole (CAS 1345020-60-1)
- (Z)-5H-Cyclopenta[b]pyridin-7(6H)-one O-methyl oxime (CAS 1071727-78-0)
- 1-(3,3-difluorocyclobutyl)ethan-1-ol (CAS 1784303-38-3)
- Ethyl 3-amino-1-phenyl-1H-pyrazole-4-carboxylate (CAS 16078-63-0)
- 4-(Fluoromethyl)piperidin-4-ol (CAS 1254031-75-8)
- N-[(4-Chlorophenyl)methyl]-4-(2,4-dichlorophenoxy)butanamide (CAS 303091-83-0)
- 2-(5-Methyl-1,3,4-thiadiazol-2-yl)ethan-1-ol (CAS 847155-18-4)
- 6-Chloro-5-hydroxy-2,3-dihydro-1H-inden-1-one (CAS 1260012-31-4)
- Peptide Impurity 26 (CAS 1350456-66-4)
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