4-Azetidinomethyl-2-carboethoxybenzophenone CAS 898756-25-7
| CAS No. | 898756-25-7 |
| Molecular Formula | C20H21NO3 |
| Molecular Weight | 323.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 4-Azetidinomethyl-2-carboethoxybenzophenone 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.
4-Azetidinomethyl-2-carboethoxybenzophenone (CAS 898756-25-7), molecular formula C20H21NO3 and molecular weight 323.39 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-Azetidinomethyl-2-carboethoxybenzophenone (C20H21NO3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 323.39 g/mol, it falls into the moderately-high-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.
Physical & Chemical Properties
| Molecular Formula | C20H21NO3 |
| Molecular Weight | 323.39 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
Related Azetidinomethyl Standards
- 3-Azetidinomethyl-3-carboethoxybenzophenone (CAS 898771-48-7)
- 4-Azetidinomethyl-4-carboethoxybenzophenone (CAS 898756-31-5)
- 2-Azetidinomethyl-2,3-dichlorobenzophenone (CAS 898755-21-0)
- 2-Azetidinomethyl-2,4-dichlorobenzophenone (CAS 898755-23-2)
- 2-Azetidinomethyl-2,5-dichlorobenzophenone (CAS 898755-25-4)
- 3-Azetidinomethyl-2,5-dichlorobenzophenone (CAS 898772-12-8)
- 3-Azetidinomethyl-3,4-dichlorobenzophenone (CAS 898772-15-1)
- 3-Azetidinomethyl-3,5-dichlorobenzophenone (CAS 898772-18-4)
Recommended Standards
- 4-(5-Cyano-1h-indol-3-yl)-3,6-dihydro-2h-pyridine-1-carboxylic acid tert-butyl ester (CAS 345235-76-9)
- 4-(4-Hydroxyphenyl)-3,7,7-trimethyl-2,4,6,7,8,9-hexahydro-5H-pyrazolo[3,4-b]quinolin-5-one (CAS 865658-73-7)
- 4-Cyano-N-((1-(furan-2-ylmethyl)piperidin-4-yl)methyl)benzamide (CAS 954021-59-1)
- 4-(3,4-Dimethoxyphenethyl)-2-methylisoquinolin-1(2H)-one (CAS 61380-83-4)
- 4-Cyclopropoxy-N1,N1,N3-trimethylisophthalamide (CAS 1243468-51-0)
- N1,N1-diethyl-N2-(pyridin-4-ylmethyl)ethane-1,2-diamine (CAS 104293-70-1)
- Methyl 3-(bromomethyl)-5-methylbenzoate (CAS 120511-79-7)
- H-Gly-Gly-OBzl · p-tosylate (CAS 1738-82-5)
- 5-Chloro-2,4-difluorobenzenethiol (CAS 1208076-87-2)
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- Methyl 5-nitro-2-(pyrrolidin-1-yl)benzoate (CAS 259269-68-6)
- 1-(Aminomethyl)naphthalen-2-amine (CAS 1261883-05-9)
- 1,1-Thiocarbonyldiimidazole n,n'-thiocarbonyldiimidazole thiocarbonyl dimidazole methanethione, di-1h-imidazol-1-yl- 1,1'-carbonothioylbis(1h-imidazole) thiocarbonyldiimidazole 1,1'-thiocarbonyl diimidazole 1,1'-thiocarbonyldiimidazole thiocarbonyl diimidazole 6160-65-2 (CAS 6160-65-2)
- Semaglutide impurity 206 (CAS CATO-C4X-2226206)
Why CATO?
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