Metronidazole-13C2,15N2 CAS 1173020-03-5
| CAS No. | 1173020-03-5 |
| Molecular Formula | C4[13C]2H9N[15N]2O3 |
| Molecular Weight | 175.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 175.13 g/mol gives Metronidazole-13C2,15N2 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Metronidazole-13C2,15N2 (CAS 1173020-03-5) is a high-purity analytical reference standard with the molecular formula C4[13C]2H9N[15N]2O3 and a molecular weight of 175.13 g/mol.
Structurally, Metronidazole-13C2,15N2 (C4[13C]2H9N[15N]2O3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 2.5, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 175.13 g/mol, it falls into the medium-molecular-weight range. 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 | C4[13C]2H9N[15N]2O3 |
| Molecular Weight | 175.13 g/mol |
| Purity | >95% |
| 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) | 2.5 |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 2 |
Related Metronidazole Standards
- Metronidazole-d4 (CAS 1261392-47-5)
- Metronidazole-d3 (CAS 83413-09-6)
- Metronidazole Impurity 15 (CAS 110578-73-9)
- Metronidazole Impurity 18 (CAS 113385-77-6)
- Metronidazole EP Impurity E (CAS 705-19-1)
- Metronidazole (CAS 443-48-1)
- Metronidazole Impurity N30 (CAS 56910-52-2)
- Metronidazole EP Impurity G (CAS 1010-93-1)
Recommended Standards
- Methyl 5-(difluoromethyl)-1H-pyrrole-2-carboxylate (CAS 2112952-30-2)
- Pyrido[3,4-b]pyrazine-8-carboxylic acid (CAS 1023815-46-4)
- 1-(Difluoromethyl)-4-(hydroxymethyl)pyridin-2(1H)-one (CAS 2169425-77-6)
- Benzo[d]oxazole-2,5-dicarbaldehyde (CAS 1033202-93-5)
- 2-(3-(Thiophen-2-yl)-1H-pyrazol-5-yl)aniline (CAS 178625-24-6)
- 4-Hydroxy-6-azaspiro[2.5]octane Hydrochloride (CAS 955028-68-9)
- 2-bromo-4-(cyclopentyloxy)-5-ethoxybenZaldehyde (CAS 692264-04-3)
- N-(4-fluorobenzyl)cyclopropanamine (CAS 625437-46-9)
- [4-(3-Chloro-phenyl)-[1,3,5]triazin-2-yl]-(6-chloro-4-trifluoromethyl-pyridin-2-yl)-amine (CAS 1311278-30-4)
- 2-Methylazetidin-3-ol hydrochloride (CAS 920282-10-6)
- 1-(1,5-Dimethyl-1h-pyrazol-4-yl)-N-(4-fluorobenzyl)methanamine (CAS 1006465-11-7)
- 4-Bromo-2-isopropyl phenyl methoxymethyl ether (CAS 328236-42-6)
- Siponimod Impurity 39 (CAS CATO-C4X-247239)
- Semaglutide impurity 32 (CAS CATO-C4X-222632)
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