N-Nitroso Metoprolol CAS 138768-62-4
Purity >95%In StockPharmaceutical Standards
| CAS No. | 138768-62-4 |
| Molecular Formula | C15H24N2O4 |
| Molecular Weight | 296.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
N-Nitroso Metoprolol (CAS 138768-62-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C15H24N2O4. Molecular weight: 296.36 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C15H24N2O4 |
| Molecular Weight | 296.36 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | >95% |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Nitrogen Atoms | 2 |
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Recommended Standards
- Bisoprolol Impurity 108 (CAS 2615193-96-7)
- Mianserin Impurity 88 (CAS CATO-C4X-136988)
- Canagliflozin Impurity 79 (CAS 2265214-90-0)
- 284487-60-1 3-Hydroxy(2,2,3,4,4-~2~H_5_)tetradecanoic acid DTXSID20584034 (CAS 284487-60-1)
- Desacetyl Cefathiamidine (CAS 958001-61-1)
- N-[(1,1-Dimethylethoxy)carbonyl]-2-methylalanine 2,5-dioxo-1-pyrrolidinyl ester (CAS 104055-39-2)
- 1-(Indane-5-sulfonyl)-pyrrolidine-2-carboxylic acid (CAS 1008069-92-8)
- 2-(Difluoromethyl)-4-(trifluoromethyl)pyridine-3-carboxylic acid (CAS 1804716-79-7)
- 2-(2-Hydroxyphenyl)-5-methyl-3-(pyrimidin-2-yl)thiazolidin-4-one (CAS 821782-88-1)
- Semaglutide Impurity 163 (x TFA Salt) (CAS CATO-C4X-2226163)
Why CATO?
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