2-Oxa-6-azaspiro[3.3]heptane Oxalate CAS 1254966-66-9
| CAS No. | 1254966-66-9 |
| Molecular Formula | C5H9NO |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2-Oxa-6-azaspiro[3.3]heptane Oxalate 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.
2-Oxa-6-azaspiro[3.3]heptane Oxalate (CAS 1254966-66-9), molecular formula C5H9NOC2H2O4 and molecular weight 189.17 g/mol, is a CATO reference standard with documented purity and traceability.
2-Oxa-6-azaspiro[3.3]heptane Oxalate (C5H9NOC2H2O4) contains an amino-acid-derived structure, 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.
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 | C5H9NO C2H2O4 |
| Molecular Weight | 189.17 g/mol |
| Appearance | White to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 1 |
Related Oxa Standards
- 2-Azaspiro[4.4]Nonan-1-one (CAS 1004-51-9)
- 2-Azaspiro[4.5]decan-1-one (CAS 1005-85-2)
- 2-(3-Azaspiro[5.5]Undecan-3-yl)ethan-1-amine (CAS 1012-58-4)
- 1-Oxa-2-azaspiro[4.5]dec-2-ene-3-carboxylicacid (CAS 1015770-72-5)
- Methyl 2-{3-azaspiro[5.5]undecan-9-yl}acetate hydrochloride (CAS 1017540-91-8)
- Methyl 2-(3-azaspiro[5.5]Undecan-9-yl)acetate (CAS 1017623-70-9)
- 3-Benzyl-3-azaspiro[bicyclo[3.2.1]octane-8,2'-[1,3]dioxolane] (CAS 1019208-04-8)
- Benzyl 6-azaspiro[2.5]octane-6-carboxylate (CAS 1037834-61-9)
Recommended Standards
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- 1,4-Di-O-tosyl-2,3-O-isopropylidene-L-threitol (CAS 37002-45-2)
- 1-Benzyl 2-methyl 2-(trifluoromethyl)-3,6-dihydropyridine-1,2(2h)-dicarboxylate (CAS 1262415-35-9)
- (4-(Pyridin-2-ylmethyl)tetrahydro-2H-pyran-4-yl)methanamine dihydrochloride (CAS 1393330-75-0)
- 4-Amino-6-fluoroquinoline-3-carbohydrazide (CAS 1018127-71-3)
- (E)-3-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)-6-(phenyldiazenyl)quinolin-4(1H)-one (CAS 551930-81-5)
- 3-Methylene-2-piperidinone (CAS 68074-14-6)
- 4-(1,4-Dioxan-2-yl)piperidine (CAS 1824102-03-5)
- Tirzepatide Impurity 12 (CAS CATO-C4X-324012)
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