Acetylcholine impurity 3 CAS 15862-11-0
| CAS No. | 15862-11-0 |
| Molecular Formula | C10H12N2O3 |
| Molecular Weight | 208.21 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
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.
As a process- or degradation-related impurity, Acetylcholine impurity 3 (CAS 15862-11-0, C10H12N2O3) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
Owing to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage, Acetylcholine impurity 3 is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 208.21 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for quantitative analysis by HPLC, GC, LC-MS/MS, or GC-MS as an external calibration standard; it can also be used for spiked-recovery experiments, LOD/LOQ determination, and LC-MS/MS multiple-reaction-monitoring (MRM) calibration.
Physical & Chemical Properties
| Molecular Formula | C10H12N2O3 |
| Molecular Weight | 208.21 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.) | 1961 |
| Nitrogen Atoms | 2 |
Related Acetylcholine Standards
- Acetylcholine EP Impurity B HCl (CAS 17210-49-0)
- Acetylcholine Bromide (CAS 66-23-9)
- Acetylcholine Iodide (CAS 2260-50-6)
- Acetylcholine Perchlorate (CAS 927-86-6)
- Acetylcholine-1,1,2,2-d4 Bromide (CAS 93449-31-1)
- Acetylcholine-1,1,2,2-d4 Chloride (CAS 344298-94-8)
- Acetylcholine-d16 Bromide (CAS 347841-43-4)
- Acetylcholine-d9 Bromide (N,N,N-trimethyl-d9) (CAS 93449-32-2)
Recommended Standards
- Bevantolol Impurity 25 (CAS CATO-C4X-241125)
- Finerenone Impurity 244 (CAS 13444-19-4)
- Ferulic Acid Impurity 3 (CAS 948051-11-4)
- Phenylalanine impurity 1 (CAS 90988-28-6)
- Citalopram impurity 79 (CAS CATO-C4X-110979)
- Nitroso Perindopril EP impurity A (CAS CATO-C4X-125245)
- Tenofovir alafenamide impurity 88 (CAS 851456-00-3(free base))
- 2,3-Dihydro-1H-indene-4-carbonitrile (CAS 15115-63-6)
- 2-(Nicotinamido)ethyl phenylcarbamate (CAS 941943-81-3)
- 2-((7-Bromo-5-chloroquinolin-8-yl)oxy)-N-hydroxyacetimidamide (CAS 88757-15-7)
- 2-Amino-5-chloro-N-propylbenzamide (CAS 252963-54-5)
- 3,5-Diisopropylaniline (CAS 7544-57-2)
- 2-(1H-Imidazol-1-yl)-3-iodopyridine (CAS 1001658-88-3)
- Semaglutide impurity 86 (CAS CATO-C4X-152686)
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