5',7'-Dihydrospiro[cyclopropane-1,6'-pyrazolo[3,2-b][1,3]oxazine]-3'-carboxylic acid CAS 1428234-33-6
| CAS No. | 1428234-33-6 |
| Molecular Formula | C9H10N2O3 |
| Molecular Weight | 194.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 194.19 g/mol gives 5',7'-Dihydrospiro[cyclopropane-1,6'-pyrazolo[3,2-b][1,3]oxazine]-3'-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 5',7'-Dihydrospiro[cyclopropane-1,6'-pyrazolo[3,2-b][1,3]oxazine]-3'-carboxylic acid (CAS 1428234-33-6), a certified reference material (molecular formula C9H10N2O3, MW 194.19 g/mol) for analytical method development and quality control.
5',7'-Dihydrospiro[cyclopropane-1,6'-pyrazolo[3,2-b][1,3]oxazine]-3'-carboxylic acid (C9H10N2O3) 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.
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), 5',7'-Dihydrospiro[cyclopropane-1,6'-pyrazolo[3,2-b][1,3]oxazine]-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.
Physical & Chemical Properties
| Molecular Formula | C9H10N2O3 |
| Molecular Weight | 194.19 g/mol |
| Appearance | Off-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 |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 2 |
Related Dihydrospiro Standards
- 1',2'-dihydrospiro[cyclopentane-1,3'-pyrrolo[2,3-b]pyridin]-2'-one (CAS 1428799-33-0)
- 1',2'-dihydrospiro[cyclopentane-1,3'-indole]-2'-one (CAS 41058-67-7)
- 2,3-dihydrospiro[indene-1,2'-morpholine] (CAS 1267983-86-7)
- 3,4-dihydrospiro[1-benzopyran-2,1'-cyclobutan]-4-amine (CAS 934554-38-8)
- (S)-5',6'-dihydrospiro[piperidine-4,4'-pyrrolo[1,2-b]pyrazol]-5'-amine (CAS 2413983-03-4)
- 1,3-Dihydrospiro[indene-2,2'-[1,3]dioxolan]-5-amine (CAS 885952-09-0)
- 2'-oxo-1',2'-dihydrospiro[cyclopropane-1,3'-indole]-5'-carbonitrile (CAS 2093433-63-5)
- 1',2'-Dihydrospiro[piperidine-4,3'-pyrrolo[2,3-b]pyridine] (CAS 1593925-53-1)
Recommended Standards
- 2,4-Dimethyl-5-nitrobenzamide (CAS 1427503-90-9)
- 5'H,7'H-spiro[cyclopropane-1,6'-pyrazolo[5,1-b][1,3]oxazine]-2'-carboxylic acid (CAS 1428234-37-0)
- Methyl 1-(3-cyanopropyl)-1h-1,2,3-triazole-4-carboxylate (CAS 1423033-21-9)
- 6-(Cyclopropylmethoxy)pyridazine-4-carboxylic acid (CAS 1437485-39-6)
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- 7-bromo-3,3-dimethyl-1,2,3,4-tetrahydroquinoxalin-2-one (CAS 1352907-83-5)
- Benzyl 2-((ethyl(2-hydroxyethyl)amino)methyl)piperidine-1-carboxylate (CAS 1353975-64-0)
- 4-(Aminomethyl)naphthalen-1-amine (CAS 771582-61-7)
- 1-(5-Fluoro-2-hydroxyphenyl)-3-(2-furyl)-prop-2-en-1-one (CAS 43191-65-7)
- 5-(o-Methoxyphenoxy)-4,6-dichloro-2-(4-pyridyl)pyrimidine (CAS 150727-72-3)
- Temazepam-D5 (CAS 136765-51-0)
- Methyl 6-(tert-butyl)-1-oxaspiro[2.5]octane-2-carboxylate (CAS 23511-11-7)
- 2-(5,6-Dimethyl-1H-benzo[d]imidazol-1-yl)acetohydrazide (CAS 107902-99-8)
- Lixisenatide (CAS 320367-13-3)
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