Monoacylglycerol Lipase Inhibitor 21 CAS 1643657-35-5
| CAS No. | 1643657-35-5 |
| Molecular Formula | C26H26O4 |
| Molecular Weight | 402.48 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Monoacylglycerol Lipase Inhibitor 21 (CAS 1643657-35-5), molecular formula C26H26O4 and molecular weight 402.48 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Monoacylglycerol Lipase Inhibitor 21 (C26H26O4) contains a steroid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 402.48 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
As a certified reference material (CRM), Monoacylglycerol Lipase Inhibitor 21 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.
Physical & Chemical Properties
| Molecular Formula | C26H26O4 |
| Molecular Weight | 402.48 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
Recommended Standards
- 2-[(1S,2R,10S,11S,14R,15R)-14-hydroxy-2,15-dimethyl-5,17-dioxotetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadec-6-en-14-yl]-2-oxoethyl acetate (CAS 1486485-40-8)
- tert-Butyl (R)-2-(3-(3-(3,4-dimethoxyphenyl)-1-hydroxypropyl)phenoxy)acetate (CAS 178445-89-1)
- (1S)-2,2′-Bis(methoxymethoxy)-3,3′-dimethyl-1,1′-binaphthalene (CAS 142010-82-0)
- (1R)-2,2′-Bis(methoxymethoxy)-3,3′-dimethyl-1,1′-binaphthalene (CAS 65355-11-5)
- 4-(3-Chlorophenyl)-1H-pyrazol-5-amine (CAS 95750-97-3)
- methyl 2,5-dichloropyrimidine-4-carboxylate (CAS 1206249-62-8)
- 1-(3,4-Dimethoxybenzyl)-3-methyl-1H-pyrazol-5-amine (CAS 957507-56-1)
- N-methyl-2- (pyridin-4-yl) ethanamine (CAS 55496-55-4)
- 6-(Aziridin-1-yl)pyrimidin-2(1H)-one (CAS 144049-46-7)
- 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene-3-carbonitrile (CAS 916454-59-6)
- 4-Amino-N-methylpiperidine-1-carbothioamidehydrochloride (CAS 1158780-42-7)
- (S,R)-In-Pyox (CAS 205647-96-7)
- 2,4-Dibromo-3-(difluoromethoxy)benzamide (CAS 479091-01-5)
- Semaglutide impurity 46 (CAS CATO-C4X-222646)
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