Racemic-(5S,9S)-Tert-Butyl 7-Benzyl-9-(Hydroxymethyl)-2,7-Diazaspiro[4.4]Nonane-2-Carboxylate CAS 1821776-63-9
| CAS No. | 1821776-63-9 |
| Molecular Formula | C20H30N2O3 |
| Molecular Weight | 346.46 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Racemic-(5S,9S)-Tert-Butyl 7-Benzyl-9-(Hydroxymethyl)-2,7-Diazaspiro[4.4]Nonane-2-Carboxylate (C20H30N2O3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO supplies Racemic-(5S,9S)-Tert-Butyl 7-Benzyl-9-(Hydroxymethyl)-2,7-Diazaspiro[4.4]Nonane-2-Carboxylate (CAS 1821776-63-9), a certified reference material (molecular formula C20H30N2O3, MW 346.46 g/mol) for analytical method development and quality control.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), Racemic-(5S,9S)-Tert-Butyl 7-Benzyl-9-(Hydroxymethyl)-2,7-Diazaspiro[4.4]Nonane-2-Carboxylate 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.
Physical & Chemical Properties
| Molecular Formula | C20H30N2O3 |
| Molecular Weight | 346.46 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.) | 1995 |
| Nitrogen Atoms | 2 |
Related Racemic Standards
- Racemic-(5S,9R)-Tert-Butyl 7-Benzyl-9-(Hydroxymethyl)-2,7-Diazaspiro[4.4]Nonane-2-Carboxylate (CAS 1821778-29-3)
- 1228666-10-1 (trans-racemic)-1-tert-butyl 3-methyl 4-(4-chloropyridin-3-yl)pyrrolidine-1,3-dicarboxylate MFCD15530347 (CAS 1228666-10-1)
- Racemic-(2S,3aS,6aS)-tert-butyl 2-(iodomethyl)tetrahydro-2H-furo[2,3-c]pyrrole-5(3H)-carboxylate (CAS 1445951-05-2)
- Racemic Linezolid (CAS 224323-50-6)
- Racemic-(3aR,8aS,8bS)-7-tosyldecahydropyrrolo[3,4-e]isoindol-3(2H)-one (CAS 1422285-60-6)
- Racemic-(3S,3aS,6aR)-4-benzyl 1-tert-butyl 3-hydroxytetrahydropyrrolo[3,2-b]pyrrole-1,4(2H,5H)-dicarboxylate (CAS 648930-90-9)
- Racemic Solifenacin Succinate (CAS 180272-14-4)
- Racemic Methyl Efavirenz (CAS 353270-76-5)
Recommended Standards
- Tert-butyl 8-benzyl-6,6-dimethyl-5-oxa-2,8-diazaspiro[3.5]Nonane-2-carboxylate (CAS 1803602-11-0)
- methyl 2-{4-[(4,4-dimethylazepane-1-carbonyl)amino]phenyl}-2-methylpropanoate (CAS 1797259-58-5)
- Tert-butyl 7-benzyl-9-(hydroxymethyl)-2,7-diazaspiro[4.4]Nonane-2-carboxylate (CAS 1823258-46-3)
- Ethyl 3-(benzylthio)-4-oxo-4,5,6,7-tetrahydrobenzo[c]thiophene-1-carboxylate (CAS 172516-35-7)
- 6-Ethyl-2-methyl-1H-pyrazolo[1,5-b][1,2,4]triazole (CAS 151521-69-6)
- 2-Bromo-4-fluoro-5-iodoanisole (CAS 677777-40-1)
- Rivastigmine D6 Tartrate (CAS 194930-00-2)
- Methyl 4,4-dimethyl-2-(pyridin-3-yl)-1,2,3,4-tetrahydroquinoline-6-carboxylate (CAS 1391609-11-2)
- 2-(Methyldisulfanyl)ethan-1-amine hydrochloride (CAS 131027-12-8)
- tert-Butyl (3,3-difluoropiperidin-4-yl)carbamate (CAS 1263180-22-8)
- 1-(2,4-Dihydroxyphenyl)-3-(3-hydroxy-4-methoxyphenyl)prop-2-en-1-one (CAS 13323-67-6)
- Salmeterol EP Impurity A Formate Salt (CAS CATO-C4X-105019)
- 1,2,3,6-Tetrahydropyridine-2-carboxylic acid (CAS 498-98-6)
- β-Asp9-Tirzepatide (CAS CATO-CPTD788931)
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