1,3,4-oxadiazole-2-carboxylic acid CAS 944907-12-4
| CAS No. | 944907-12-4 |
| Molecular Formula | C3H6N2O3 |
| Molecular Weight | 118.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 118.09 g/mol gives 1,3,4-oxadiazole-2-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 1,3,4-oxadiazole-2-carboxylic acid (CAS 944907-12-4), a certified reference material (molecular formula C3H6N2O3, MW 118.09 g/mol) for analytical method development and quality control.
Based on its molecular formula C3H6N2O3, 1,3,4-oxadiazole-2-carboxylic acid contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 118.09 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C3H6N2O3 |
| Molecular Weight | 118.09 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 2 |
Related oxadiazole Standards
- 3-Methyl-1,2,4-oxadiazole-5-thiol (CAS 68836-75-9)
- 5-Methyl-1,3,4-oxadiazole-2(3H)-thione (CAS 31130-17-3)
- 5-methyl-1,2,4-oxadiazole-3-carbaldehyde (CAS 1083300-23-5)
- 5-methyl-1,3,4-oxadiazole-2-carbaldehyde (CAS 164024-09-3)
- 3-methyl-1,2,4-oxadiazole-5-carbaldehyde (CAS 944906-02-9)
- 1,2,5-Oxadiazole-3,4-dicarbonitrile (CAS 55644-07-0)
- 1,2,4-Oxadiazole-3-carboxylic Acid (CAS 856787-15-0)
- 1,2,4-Oxadiazole-5-carboxylic acid (CAS 499770-64-8)
Recommended Standards
- (R)-3-Hydroxy-2-oxobutanoic acid (CAS 68862-42-0)
- 1,3-Dioxolane-2-carboxylic acid (CAS 5736-05-0)
- 3-Hydroxy-2-oxobutanoic acid (CAS 1944-42-9)
- 1-Methyl-1-nitroguanidine (CAS 62409-38-5)
- Irilone (CAS 41653-81-0)
- N-(3-Aminopropyl)glycine Dihydrochloride (CAS 90495-95-7)
- 2-(5-((3-Fluorophenoxy)methyl)-1,3,4-oxadiazol-2-yl)aniline (CAS 1416344-98-3)
- 2-Ethyl-1-[2-(4-piperidinyl)ethyl]piperidinedihydrochloride (CAS 1219981-29-9)
- 7-Bromo-2-chloro-3-methylquinazolin-4(3H)-one (CAS 1404480-64-3)
- Ethyl (3R,4R)-4-aminotetrahydro-2H-pyran-3-carboxylate (CAS 503166-49-2)
- (S)-(+)-(3,5-Dioxa-4-phosphacyclohepta[2,1-a:3,4- a’]dinaphthalen-4-yl)dimethylamine (CAS 185449-80-3)
- 6104-59-2 TKL1K0PT9A Coomassie brilliant blue R Benzenemethanaminium, N-(4-((4-((4-ethoxyphenyl)amino)phenyl)(4-(ethyl((3-sulfophenyl)methyl)amino)phenyl)methylene)-2,5-cyclohexadien-1-ylidene)-N-ethyl-3-sulfo-, hydroxide, inner salt, monosodium salt Hydrogen (4-(4-(p-ethoxyanilino)-4'-(ethyl(m-sulphonatobenzyl)amino)benzhydrylene)cyclohexa-2,5-dien-1-ylidene)(ethyl)(m-sulphonatobenzyl)ammonium, monosodium salt Benzenemethanaminium, N-(4-((4-((4-ethoxyphenyl)amino)phenyl)(4-(ethyl((3-sulfophenyl)methyl)amino)phenyl)methylene)-2,5-cyclohexadien-1-ylidene)-N-ethyl-3-sulfo-, inner salt, sodium salt (1:1) Benzenemethanaminium, N-(4-((4-((4-ethoxyphenyl)amino)phenyl)(4-(ethyl((3-sulfophenyl)methyl)amino)phenyl)methylene)-2,5-cyclohexadien-1-ylidene)-N-ethyl-3-sulfo-, inner salt, monosodium salt C.I. Acid Blue 83 EINECS 228-060-5 Eriosin Brilliant Cyanine 6B UNII-TKL1K0PT9A Brilliant Blue R (CAS 6104-59-2)
- Fmoc-3-bromo-D-phenylalanine (CAS 220497-81-4)
- Brain Injury Derived Neurotrophic Peptide (H-3914.0001) (CAS 148330-12-5)
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