2-(2-(4-Chlorophenyl)-7-methyl-5-oxoimidazo[1,2-a]pyrimidin-8(5H)-yl)acetic acid CAS 902836-44-6
| CAS No. | 902836-44-6 |
| Molecular Formula | C21H18ClN3O3 |
| Molecular Weight | 395.84 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 395.84 g/mol gives 2-(2-(4-Chlorophenyl)-7-methyl-5-oxoimidazo[1,2-a]pyrimidin-8(5H)-yl)acetic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-(2-(4-Chlorophenyl)-7-methyl-5-oxoimidazo[1,2-a]pyrimidin-8(5H)-yl)acetic acid (CAS 902836-44-6), molecular formula C21H18ClN3O3 and molecular weight 395.84 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 2-(2-(4-Chlorophenyl)-7-methyl-5-oxoimidazo[1,2-a]pyrimidin-8(5H)-yl)acetic acid (C21H18ClN3O3) is characterized by a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 2-(2-(4-Chlorophenyl)-7-methyl-5-oxoimidazo[1,2-a]pyrimidin-8(5H)-yl)acetic acid 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 | C21H18ClN3O3 |
| Molecular Weight | 395.84 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Chlorophenyl Standards
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Recommended Standards
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- 4-(1-(2-Amino-5-chloropyrimidin-4-yl)indolin-6-yl)-2-(5-methylisoxazol-3-yl)but-3-yn-2-ol (CAS 1202761-99-6)
- 2-(Benzhydrylamino)-N-(4-chloro-3-nitrophenyl)acetamide (CAS 329779-17-1)
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- 1-[2-(3-Piperidinyl)ethyl]-4-piperidinoldihydrochloride (CAS 1219981-11-9)
- 2,5-Dioxopyrrolidin-1-yl 4-hydroxybenzoate (CAS 70074-31-6)
- 5-Bromo-2-methyl-2-pentanol (CAS 21871-76-1)
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- 11-Chloro-7,8,9,10-tetrahydro-6H-cyclohepta[b]quinoline-3-carboxylic acid (CAS 1314791-98-4)
- Tau Peptide (244-274) (Repeat 1 Domain) trifluoroacetate salt (CAS 330456-24-1)
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